AD5696BRUZ
更新时间:2024-09-18 13:04:02
品牌:ADI
描述:Quad, 16-Bit nanoDAC+&trade; with I<sup>2</sup>C Interface
AD5696BRUZ 概述
Quad, 16-Bit nanoDAC+&trade; with I<sup>2</sup>C Interface
AD5696BRUZ 数据手册
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PDF下载Quad 16-/14-/12-Bit nanoDAC+
with 2 ppm/°C Reference, I2C Interface
Data Sheet
AD5696R/AD5695R/AD5694R
FEATURES
FUNCTIONAL BLOCK DIAGRAM
High relative accuracy (INL): 2 LSB maximum @ 16 bits
Low drift 2.5 V reference: 2 ppm/°C typical
V
GND
V
REF
DD
Tiny package: 3 mm × 3 mm, 16-lead LFCSP
2.5V
REFERENCE
AD5696R/AD5695R/AD5694R
Total unadjusted error (TUE): 0.1% of FSR maximum
Offset error: 1.5 mV maximum
V
LOGIC
SCL
STRING
DAC A
INPUT
DAC
V
V
V
V
A
B
C
D
OUT
OUT
OUT
OUT
REGISTER
REGISTER
BUFFER
BUFFER
BUFFER
BUFFER
Gain error: 0.1% of FSR maximum
High drive capability: 20 mA, 0.5 V from supply rails
User selectable gain of 1 or 2 (GAIN pin)
Reset to zero scale or midscale (RSTSEL pin)
1.8 V logic compatibility
STRING
DAC B
INPUT
REGISTER
DAC
REGISTER
SDA
A1
STRING
DAC C
INPUT
REGISTER
DAC
REGISTER
A0
Low glitch: 0.5 nV-sec
STRING
DAC D
INPUT
REGISTER
DAC
REGISTER
400 kHz I2C-compatible serial interface
Robust 3.5 kV HBM and 1.5 kV FICDM ESD rating
Low power: 3.3 mW at 3 V
POWER-ON
RESET
GAIN =
×1/×2
POWER-
DOWN
LOGIC
2.7 V to 5.5 V power supply
−40°C to +105°C temperature range
LDAC RESET
RSTSEL
GAIN
Figure 1.
APPLICATIONS
Optical transceivers
Base-station power amplifiers
Process control (PLC I/O cards)
Industrial automation
Data acquisition systems
Table 1. Quad nanoDAC+ Devices
Interface Reference 16-Bit
GENERAL DESCRIPTION
14-Bit
12-Bit
The AD5696R/AD5695R/AD5694R family, are low power,
quad, 16-/14-/12-bit buffered voltage output DACs. The devices
include a 2.5 V, 2 ppm/°C internal reference (enabled by
default) and a gain select pin giving a full-scale output of 2.5 V
(gain = 1) or 5 V (gain = 2). All devices operate from a single
2.7 V to 5.5 V supply, are guaranteed monotonic by design, and
exhibit less than 0.1% FSR gain error and 1.5 mV offset error
performance. The devices are available in a 3 mm × 3 mm
LFCSP and a TSSOP package.
SPI
I2C
Internal
Internal
AD5686R
AD5696R
AD5685R AD5684R
AD5695R AD5694R
PRODUCT HIGHLIGHTS
1. High Relative Accuracy (INL).
AD5696R (16-bit): 2 LSB maximum
AD5695R (14-bit): 1 LSB maximum
AD5694R (12-bit): 1 LSB maximum
2. Low Drift 2.5 V On-Chip Reference.
2 ppm/°C typical temperature coefficient
5 ppm/°C maximum temperature coefficient
3. Two Package Options.
The AD5696R/AD5695R/AD5694R also incorporate a power-
on reset circuit and a RSTSEL pin that ensures that the DAC
outputs power up to zero scale or midscale and remain there
until a valid write takes place. Each part contains a per-channel
power-down feature that reduces the current consumption of
the device to 4 µA at 3 V while in power-down mode.
3 mm × 3 mm, 16-lead LFCSP
The AD5696R/AD5695R/AD5694R use a versatile 2-wire serial
interface that operates at clock rates up to 400 kHz, and
includes a VLOGIC pin intended for 1.8 V/3 V/5 V logic.
16-lead TSSOP
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rightsof third parties that may result fromits use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks andregisteredtrademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
www.analog.com
©2012 Analog Devices, Inc. All rights reserved.
AD5696R/AD5695R/AD5694R
Data Sheet
TABLE OF CONTENTS
Features .............................................................................................. 1
Serial Operation ......................................................................... 21
Write Operation.......................................................................... 21
Read Operation........................................................................... 22
Multiple DAC Readback Sequence.......................................... 22
Power-Down Operation............................................................ 23
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
AC Characteristics........................................................................ 5
Timing Characteristics ................................................................ 6
Absolute Maximum Ratings............................................................ 7
ESD Caution.................................................................................. 7
Pin Configuration and Function Descriptions............................. 8
Typical Performance Characteristics ............................................. 9
Terminology .................................................................................... 16
Theory of Operation ...................................................................... 18
Digital-to-Analog Converter .................................................... 18
Transfer Function....................................................................... 18
DAC Architecture....................................................................... 18
Serial Interface ............................................................................ 19
Write and Update Commands.................................................. 20
LDAC
Load DAC (Hardware
Pin)........................................... 24
Mask Register ................................................................. 24
Hardware Reset ( ) .......................................................... 25
LDAC
RESET
Reset Select Pin (RSTSEL) ........................................................ 25
Internal Reference Setup ........................................................... 25
Solder Heat Reflow..................................................................... 25
Long-Term Temperature Drift ................................................. 25
Thermal Hysteresis .................................................................... 26
Applications Information.............................................................. 27
Microprocessor Interfacing....................................................... 27
AD5696R/AD5695R/AD5694R to ADSP-BF531 Interface.. 27
Layout Guidelines....................................................................... 27
Galvanically Isolated Interface ................................................. 27
Outline Dimensions....................................................................... 28
Ordering Guide .......................................................................... 29
REVISION HISTORY
4/12—Revision 0: Initial Version
Rev. 0 | Page 2 of 32
Data Sheet
AD5696R/AD5695R/AD5694R
SPECIFICATIONS
VDD = 2.7 V to 5.5 V; 1.8 V ≤ VLOGIC ≤ 5.5 V; all specifications TMIN to TMAX, unless otherwise noted. RL = 2 kΩ; CL = 200 pF.
Table 2.
B Grade1
Typ
A Grade1
Typ
Parameter
STATIC PERFORMANCE2
Min
Max
Min
Max
Unit
Test Conditions/Comments
AD5696R
Resolution
Relative Accuracy
16
16
Bits
LSB
2
2
8
8
1
1
1
2
3
1
Gain = 2
Gain = 1
Differential Nonlinearity
AD5695R
LSB
Guaranteed monotonic by design
Resolution
14
12
14
12
Bits
LSB
LSB
Relative Accuracy
Differential Nonlinearity
AD5694R
0.5
4
1
0.5
1
1
Guaranteed monotonic by design
Resolution
Bits
LSB
LSB
mV
mV
Relative Accuracy
Differential Nonlinearity
Zero-Code Error
Offset Error
0.12
2
1
0.12
1
1
1.5
1.5
0.1
Guaranteed monotonic by design
All zeros loaded to DAC register
0.4
+0.1
+0.01
4
0.4
+0.1
+0.01
4
0.2
Full-Scale Error
% of
FSR
All ones loaded to DAC register
Gain Error
0.02
0.01
0.2
0.02
0.01
0.1
0.1
0.2
% of
FSR
% of
FSR
% of
FSR
Total Unadjusted Error
0.25
0.25
External reference; gain = 2; TSSOP
Internal reference; gain = 1; TSSOP
Offset Error Drift3
Gain Temperature
Coefficient3
1
1
1
1
µV/°C
ppm
Of FSR/°C
DC Power Supply Rejection
Ratio3
0.15
0.15
mV/V
DAC code = midscale; VDD = 5 V 10%
DC Crosstalk3
2
2
µV
Due to single channel, full-scale
output change
3
2
3
2
µV/mA
µV
Due to load current change
Due to powering down (per channel)
OUTPUT CHARACTERISTICS3
Output Voltage Range
0
0
VREF
2 × VREF
0
0
VREF
2 × VREF
V
V
nF
Gain = 1
Gain = 2, see Figure 31
RL = ∞
Capacitive Load Stability
2
2
10
10
nF
kΩ
µV/mA
RL = 1 kΩ
Resistive Load4
Load Regulation
1
1
80
80
80
80
5 V 10%, DAC code = midscale;
−30 mA ≤ IOUT ≤ 30 mA
3 V 10%, DAC code = midscale;
−20 mA ≤ IOUT ≤ 20 mA
µV/mA
Short-Circuit Current5
Load Impedance at Rails6
Power-Up Time
40
25
2.5
40
25
2.5
mA
Ω
µs
See Figure 31
Coming out of power-down mode;
VDD = 5 V
Rev. 0 | Page 3 of 32
AD5696R/AD5695R/AD5694R
Data Sheet
B Grade1
Typ
A Grade1
Typ
Parameter
Min
Max
Min
Max
Unit
Test Conditions/Comments
REFERENCE OUTPUT
Output Voltage7
Reference TC8, 9
Output Impedance3
Output Voltage Noise3
Output Voltage Noise
Density3
2.4975
2.5025
20
2.4975
2.5025
5
V
At ambient
5
0.04
12
2
0.04
12
ppm/°C See the Terminology section
Ω
0.1 Hz to 10 Hz
µV p-p
nV/√Hz
240
240
At ambient; f = 10 kHz, CL = 10 nF
Load Regulation Sourcing3
At ambient
At ambient
VDD ≥ 3 V
20
40
±5
20
40
±5
µV/mA
µV/mA
mA
Load Regulation Sinking3
Output Current Load
Capability3
Line Regulation3
Long-Term Stability/Drift3
Thermal Hysteresis3
100
12
100
12
µV/V
ppm
ppm
ppm
At ambient
After 1000 hours at 125°C
First cycle
125
25
125
25
Additional cycles
LOGIC INPUTS3
Input Current
2
2
µA
V
V
Per pin
VINL, Input Low Voltage
VINH, Input High Voltage
Pin Capacitance
0.3 × VLOGIC
0.3 × VLOGIC
0.7 × VLOGIC
0.7 × VLOGIC
2
4
2
4
pF
LOGIC OUTPUTS (SDA)3
Output Low Voltage, VOL
Floating State Output
Capacitance
0.4
0.4
V
pF
ISINK = 3 mA
POWER REQUIREMENTS
VLOGIC
ILOGIC
1.8
5.5
3
1.8
5.5
3
V
µA
V
V
VDD
VDD
2.7
VREF + 1.5
5.5
5.5
2.7
VREF + 1.5
5.5
5.5
Gain = 1
Gain = 2
IDD
VIH = VDD, VIL = GND, VDD = 2.7 V to 5.5 V
Internal reference off
Internal reference on, at full scale
−40°C to +85°C
Normal Mode10
0.59
1.1
1
0.7
1.3
4
0.59
1.1
1
0.7
1.3
4
mA
mA
µA
All Power-Down
Modes11
6
6
µA
−40°C to +105°C
1 Temperature range: A and B grade: −40°C to +105°C.
2 DC specifications tested with the outputs unloaded, unless otherwise noted. Upper dead band = 10 mV and exists only when VREF = VDD with gain = 1 or when VREF/2 =
VDD with gain = 2. Linearity calculated using a reduced code range of 256 to 65,280 (AD5696R), 64 to 16,320 (AD5695R), and 12 to 4080 (AD5694R).
3 Guaranteed by design and characterization; not production tested.
4 Channel A and Channel B can have a combined output current of up to 30 mA. Similarly, Channel C and Channel D can have a combined output current of up to
30 mA up to a junction temperature of 110°C.
5 VDD = 5 V. The device includes current limiting that is intended to protect the device during temporary overload conditions. Junction temperature can be exceeded
during current limit. Operation above the specified maximum operation junction temperature may impair device reliability.
6 When drawing a load current at either rail, the output voltage headroom with respect to that rail is limited by the 25 Ω typical channel resistance of the output
devices. For example, when sinking 1 mA, the minimum output voltage = 25 Ω × 1 mA = 25 mV (see Figure 31).
7 Initial accuracy presolder reflow is 750 µV; output voltage includes the effects of preconditioning drift. See the Internal Reference Setup section.
8 Reference is trimmed and tested at two temperatures and is characterized from −40°C to +105°C.
9 Reference temperature coefficient calculated as per the box method. See the Terminology section for further information.
10 Interface inactive. All DACs active. DAC outputs unloaded.
11 All DACs powered down.
Rev. 0 | Page 4 of 32
Data Sheet
AD5696R/AD5695R/AD5694R
AC CHARACTERISTICS
VDD = 2.7 V to 5.5 V; RL = 2 kΩ to GND; CL = 200 pF to GND; 1.8 V ≤ VLOGIC ≤ 5.5 V; all specifications TMIN to TMAX, unless otherwise
noted.1
Table 3.
Parameter2
Min
Typ
Max
Unit
Test Conditions/Comments3
Output Voltage Settling Time
AD5696R
AD5695R
5
5
5
8
8
7
µs
µs
µs
¼ to ¾ scale settling to 2 LSB
¼ to ¾ scale settling to 2 LSB
¼ to ¾ scale settling to 2 LSB
AD5694R
Slew Rate
0.8
0.5
0.13
0.1
0.2
0.3
−80
300
6
V/µs
nV-sec
nV-sec
nV-sec
nV-sec
nV-sec
dB
nV/√Hz
µV p-p
dB
Digital-to-Analog Glitch Impulse
Digital Feedthrough
Digital Crosstalk
Analog Crosstalk
DAC-to-DAC Crosstalk
Total Harmonic Distortion4
Output Noise Spectral Density
Output Noise
1 LSB change around major carry
At ambient, BW = 20 kHz, VDD = 5 V, fOUT = 1 kHz
DAC code = midscale, 10 kHz; gain = 2
0.1 Hz to 10 Hz
At ambient, BW = 20 kHz, VDD = 5 V, fOUT = 1 kHz
At ambient, BW = 20 kHz, VDD = 5 V, fOUT = 1 kHz
At ambient, BW = 20 kHz, VDD = 5 V, fOUT = 1 kHz
SNR
SFDR
SINAD
90
83
80
dB
dB
1 Guaranteed by design and characterization; not production tested.
2 See the Terminology section.
3 Temperature range is −40°C to +105°C, typical @ 25°C.
4 Digitally generated sine wave @ 1 kHz.
Rev. 0 | Page 5 of 32
AD5696R/AD5695R/AD5694R
Data Sheet
TIMING CHARACTERISTICS
VDD = 2.5 V to 5.5 V; 1.8 V ≤ VLOGIC ≤ 5.5 V; all specifications TMIN to TMAX, unless otherwise noted. 1
Table 4.
Parameter2
Unit
µs
µs
µs
µs
ns
µs
µs
µs
µs
ns
ns
ns
ns
pF
Conditions/Comments
SCL cycle time
tHIGH, SCL high time
tLOW, SCL low time
tHD,STA, start/repeated start condition hold time
tSU,DAT, data setup time
tHD,DAT, data hold time
tSU,STA, setup time for repeated start
tSU,STO, stop condition setup time
tBUF, bus free time between a stop and a start condition
tR, rise time of SCL and SDA when receiving
tF, fall time of SDA and SCL when transmitting/ receiving
LDAC pulse width
Min
2.5
0.6
1.3
0.6
100
0
0.6
0.6
1.3
Max
t1
t2
t3
t4
t5
3
t6
0.9
t7
t8
t9
t10
t11
t12
t13
0
300
300
4
20 + 0.1CB
20
400
SCL rising edge to LDAC rising edge
Capacitive load for each bus line
4
CB
400
1 See Figure 2.
2 Guaranteed by design and characterization; not production tested.
3 A master device must provide a hold time of at least 300 ns for the SDA signal (referred to the VIH min of the SCL signal) to bridge the undefined region of SCL’s
falling edge.
4 CB is the total capacitance of one bus line in pF. tR and tF measured between 0.3 VDD and 0.7 VDD
.
START
CONDITION
REPEATED START
CONDITION
STOP
CONDITION
SDA
SCL
t9
t10
t11
t4
t3
t4
t2
t1
t6
t5
t7
t8
t12
1
2
t13
LDAC
LDAC
t12
NOTES
1
ASYNCHRONOUS LDAC UPDATE MODE.
SYNCHRONOUS LDAC UPDATE MODE.
2
Figure 2. 2-Wire Serial Interface Timing Diagram
Rev. 0 | Page 6 of 32
Data Sheet
AD5696R/AD5695R/AD5694R
ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
Table 5.
Parameter
Rating
VDD to GND
−0.3 V to +7 V
VLOGIC to GND
−0.3 V to +7 V
VOUT to GND
VREF to GND
−0.3 V to VDD + 0.3 V
−0.3 V to VDD + 0.3 V
−0.3 V to VLOGIC + 0.3 V
−0.3 V to +7 V
−40°C to +105°C
−65°C to +150°C
125°C
Digital Input Voltage to GND1
SDA and SCL to GND
Operating Temperature Range
Storage Temperature Range
Junction Temperature
ESD CAUTION
16-Lead TSSOP, θJA Thermal
112.6°C/W
Impedance, 0 Airflow (4-Layer Board)
16-Lead LFCSP, θJA Thermal
Impedance, 0 Airflow (4-Layer Board)
Reflow Soldering Peak
70°C/W
260°C
Temperature, Pb Free (J-STD-020)
ESD2
FICDM
3.5 kV
1.5 kV
1 Excluding SDA and SCL.
2 Human body model (HBM) classification.
Rev. 0 | Page 7 of 32
AD5696R/AD5695R/AD5694R
Data Sheet
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
AD5696R/AD5695R/AD5694R
V
V
A 1
12 A1
11 SCL
10 A0
OUT
GND 2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
RSTSEL
RESET
A1
REF
V
3
DD
V
V
B
A
OUT
OUT
9
V
C 4
AD5696R/
AD5695R/
AD5694R
TOP VIEW
(Not to Scale)
OUT
LOGIC
GND
SCL
V
A0
DD
V
V
C
D
V
LOGIC
OUT
OUT
TOP VIEW
(Not to Scale)
GAIN
LDAC
SDA
NOTES
1. THE EXPOSED PAD MUST BE TIED TO GND.
Figure 3. 16-Lead LFCSP Pin Configuration
Figure 4. 16-Lead TSSOP Pin Configuration
Table 6. Pin Function Descriptions
Pin No.
TSSOP
LFCSP
Mnemonic Description
1
2
3
3
4
5
VOUT
GND
VDD
A
Analog Output Voltage from DAC A. The output amplifier has rail-to-rail operation.
Ground Reference Point for All Circuitry on the Part.
Power Supply Input. These parts can be operated from 2.7 V to 5.5 V, and the supply should be
decoupled with a 10 µF capacitor in parallel with a 0.1 µF capacitor to GND.
4
5
6
6
7
8
VOUT
VOUT
SDA
C
D
Analog Output Voltage from DAC C. The output amplifier has rail-to-rail operation.
Analog Output Voltage from DAC D. The output amplifier has rail-to-rail operation.
Serial Data Input. This pin is used in conjunction with the SCL line to clock data into or out of the
24-bit input shift register. SDA is a bidirectional, open-drain data line that should be pulled to the
supply with an external pull-up resistor.
7
8
9
LDAC
GAIN
LDAC can be operated in two modes, asynchronously and synchronously. Pulsing this pin low allows
any or all DAC registers to be updated if the input registers have new data. This allows all DAC outputs
to simultaneously update. This pin can also be tied permanently low.
10
Span Set Pin. When this pin is tied to GND, all four DAC outputs have a span from 0 V to VREF. If this
pin is tied to VDD, all four DACs output a span of 0 V to 2 × VREF
Digital Power Supply. Voltage ranges from 1.8 V to 5.5 V.
Address Input. Sets the first LSB of the 7-bit slave address.
Serial Clock Line. This is used in conjunction with the SDA line to clock data into or out of the 24-bit
input register.
.
9
10
11
11
12
13
VLOGIC
A0
SCL
12
13
14
15
A1
RESET
Address Input. Sets the second LSB of the 7-bit slave address.
Asynchronous Reset Input. The RESET input is falling edge sensitive. When RESET is low, all LDAC
pulses are ignored. When RESET is activated, the input register and the DAC register are updated
with zero scale or midscale, depending on the state of the RSTSEL pin.
Power-On Reset Pin. Tying this pin to GND powers up all four DACs to zero scale. Tying this pin to
VDD powers up all four DACs to midscale.
Reference Voltage. The AD5696R/AD5695R/AD5694R have a common reference pin. When using
the internal reference, this is the reference output pin. When using an external reference, this is the
reference input pin. The default for this pin is as a reference output.
14
15
16
1
RSTSEL
VREF
16
17
2
N/A
VOUT
EPAD
B
Analog Output Voltage from DAC B. The output amplifier has rail-to-rail operation.
Exposed Pad. The exposed pad must be tied to GND.
Rev. 0 | Page 8 of 32
Data Sheet
AD5696R/AD5695R/AD5694R
TYPICAL PERFORMANCE CHARACTERISTICS
2.5020
V
= 5.5V
0 HOUR
DD
DEVICE 1
DEVICE 2
DEVICE 3
DEVICE 4
DEVICE 5
V
= 5V
DD
168 HOURS
500 HOURS
1000 HOURS
60
50
40
30
20
10
0
2.5015
2.5010
2.5005
2.5000
2.4995
2.4990
2.4985
2.4980
2.498
2.499
2.500
(V)
2.501
2.502
–40
–20
0
20
40
60
80
100
120
V
TEMPERATURE (°C)
REF
Figure 5. Internal Reference Voltage vs. Temperature (Grade B)
Figure 8. Reference Long-Term Stability/Drift
2.5020
1600
1400
1200
1000
800
600
400
200
0
V
= 5V
= 25°C
DD
DEVICE 1
DEVICE 2
DEVICE 3
DEVICE 4
T
A
2.5015
DEVICE 5
2.5010
2.5005
2.5000
2.4995
2.4990
2.4985
2.4980
V
= 5V
120
DD
–40
–20
0
20
40
60
80
100
10
100
1k
10k
100k
1M
TEMPERATURE (°C)
FREQUENCY (MHz)
Figure 6. Internal Reference Voltage vs. Temperature (Grade A)
Figure 9. Internal Reference Noise Spectral Density vs. Frequency
90
V
= 5V
DD
V
= 5V
= 25°C
T
DD
80
70
60
50
40
30
20
10
0
T
A
1
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
CH1 10µV
M1.0s
A
CH1
160mV
TEMPERATURE DRIFT (ppm/°C)
Figure 10. Internal Reference Noise, 0.1 Hz to 10 Hz
Figure 7. Reference Output Temperature Drift Histogram
Rev. 0 | Page 9 of 32
AD5696R/AD5695R/AD5694R
Data Sheet
2.5000
10
8
V
= 5V
= 25°C
DD
T
A
2.4999
2.4998
2.4997
2.4996
2.4995
2.4994
2.4993
6
4
2
0
–2
–4
–6
–8
–10
V
= 5V
= 25°C
DD
T
A
INTERNAL REFERENCE = 2.5V
2500 5000 7500
CODE
–0.005
–0.003
–0.001
0.001
(A)
0.003
0.005
0
10000
12500
15000 16348
I
LOAD
Figure 11. Internal Reference Voltage vs. Load Current
Figure 14. AD5695R INL
2.5002
10
8
T
= 25°C
A
D1
D3
2.5000
2.4998
2.4996
2.4994
2.4992
2.4990
6
4
2
0
–2
–4
–6
–8
–10
D2
(V)
V
= 5V
DD
T
= 25°C
A
INTERNAL REFERENCE = 2.5V
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0
625
1250
1875
CODE
2500
3125
3750 4096
V
DD
Figure 12. Internal Reference Voltage vs. Supply Voltage
Figure 15. AD5694R INL
10
1.0
0.8
8
6
0.6
4
0.4
2
0.2
0
0
–2
–4
–6
–8
–10
–0.2
–0.4
–0.6
–0.8
–1.0
V
= 5V
= 25°C
V
= 5V
DD
DD
T
T = 25°C
A
A
INTERNAL REFERENCE = 2.5V
10000 20000 30000
CODE
INTERNAL REFERENCE = 2.5V
10000 20000 30000
CODE
0
40000
50000
60000
0
40000
50000
60000
Figure 13. AD5696R INL
Figure 16. AD5696R DNL
Rev. 0 | Page 10 of 32
Data Sheet
AD5696R/AD5695R/AD5694R
10
8
1.0
0.8
6
0.6
4
0.4
2
0.2
INL
0
0
DNL
–2
–4
–6
–8
–10
–0.2
–0.4
–0.6
V
= 5V
= 25°C
DD
V
= 5V
= 25°C
DD
–0.8
–1.0
T
A
T
A
INTERNAL REFERENCE = 2.5V
INTERNAL REFERENCE = 2.5V
2500 5000 7500
CODE
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
10000
12500
15000 16383
V
(V)
REF
Figure 17. AD5695R DNL
Figure 20. INL Error and DNL Error vs. VREF
1.0
0.8
10
8
0.6
6
0.4
4
0.2
2
INL
0
0
DNL
–0.2
–0.4
–0.6
–0.8
–1.0
–2
–4
–6
–8
–10
V
T
= 5V
= 25°C
V
T
= 5V
= 25°C
DD
DD
A
A
INTERNAL REFERENCE = 2.5V
2.7 3.2 3.7
SUPPLY VOLTAGE (V)
INTERNAL REFERENCE = 2.5V
0
625
1250
1875
CODE
2500
3125
3750 4096
4.2
4.7
5.2
Figure 18. AD5694R DNL
Figure 21. INL Error and DNL Error vs. Supply Voltage
10
8
0.10
0.08
0.06
0.04
0.02
0
6
4
FULL-SCALE ERROR
GAIN ERROR
2
INL
0
DNL
–2
–4
–6
–8
–10
–0.02
–0.04
–0.06
–0.08
–0.10
V
T
= 5V
= 25°C
V
T
= 5V
= 25°C
DD
DD
A
A
INTERNAL REFERENCE = 2.5V
–40 –20 20 40
TEMPERATURE (°C)
INTERNAL REFERENCE = 2.5V
–40 10
60
110
0
60
80
100
120
TEMPERATURE (°C)
Figure 19. INL Error and DNL Error vs. Temperature
Figure 22. Gain Error and Full-Scale Error vs. Temperature
Rev. 0 | Page 11 of 32
AD5696R/AD5695R/AD5694R
Data Sheet
0.10
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0
V
T
= 5V
= 25°C
V
T
= 5V
= 25°C
DD
DD
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
A
A
INTERNAL REFERENCE = 2.5V
INTERNAL REFERENCE = 2.5V
ZERO-CODE ERROR
OFFSET ERROR
–40
–20
0
20
40
60
80
100
120
–40
–20
0
20
40
60
80
100
120
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 23. Zero-Code Error and Offset Error vs. Temperature
Figure 26. TUE vs. Temperature
0.10
0.08
0.06
0.04
0.02
0
0.10
0.08
0.06
0.04
0.02
0
GAIN ERROR
FULL-SCALE ERROR
–0.02
–0.04
–0.06
–0.08
–0.10
–0.02
–0.04
–0.06
–0.08
–0.10
V
= 5V
= 25°C
V
= 5V
DD
DD
T
T = 25°C
A
A
INTERNAL REFERENCE = 2.5V
2.7 3.2 3.7
SUPPLY VOLTAGE (V)
INTERNAL REFERENCE = 2.5V
2.7 3.2 3.7
SUPPLY VOLTAGE (V)
4.2
4.7
5.2
4.2
4.7
5.2
Figure 24. Gain Error and Full-Scale Error vs. Supply
Figure 27. TUE vs. Supply, Gain = 1
0
–0.01
–0.02
–0.03
–0.04
–0.05
–0.06
–0.07
–0.08
–0.09
–0.10
1.5
1.0
0.5
ZERO-CODE ERROR
OFFSET ERROR
0
–0.5
–1.0
–1.5
V
T
= 5V
= 25°C
V
T
= 5V
= 25°C
DD
DD
A
A
INTERNAL REFERENCE = 2.5V
INTERNAL REFERENCE = 2.5V
10000 20000 30000
CODE
2.7
3.2
3.7
4.2
4.7
5.2
0
40000
50000
60000 65535
SUPPLY VOLTAGE (V)
Figure 25. Zero-Code Error and Offset Error vs. Supply
Figure 28. TUE vs. Code
Rev. 0 | Page 12 of 32
Data Sheet
AD5696R/AD5695R/AD5694R
7
6
V
= 5V
= 25°C
DD
V
= 5V
= 25°C
DD
25
20
15
10
5
T
A
T
A
EXTERNAL
REFERENCE = 2.5V
GAIN = 2
INTERNAL
REFERENCE = 2.5V
0xFFFF
5
4
0xC000
0x8000
0x4000
0x0000
3
2
1
0
–1
0
–2
–0.06
540
560
580
600
620
640
–0.04
–0.02
0
0.02
0.04
0.06
I
(V)
DD
LOAD CURRENT (A)
Figure 29. IDD Histogram with External Reference, 5 V
Figure 32. Source and Sink Capability at 5 V
5
4
V
= 5V
= 25°C
DD
V
= 5V
DD
30
25
20
15
10
5
T
A
T = 25°C
A
INTERNAL
REFERENCE = 2.5V
EXTERNAL REFERENCE = 2.5V
GAIN = 1
0xFFFF
3
0xC000
0x8000
2
1
0x4000
0x0000
0
–1
–2
0
1000
1020
1040
1060
1080
1100
1120
1140
–0.06
–0.04
–0.02
0
0.02
0.04
0.06
I
FULLSCALE (V)
DD
LOAD CURRENT (A)
Figure 30. IDD Histogram with Internal Reference, VREFOUT = 2.5 V, Gain = 2
Figure 33. Source and Sink Capability at 3 V
1.0
0.8
0.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
FULL-SCALE
ZERO CODE
0.4
SINKING 2.7V
0.2
SINKING 5V
0
EXTERNAL REFERENCE, FULL-SCALE
–0.2
SOURCING 5V
–0.4
–0.6
–0.8
–1.0
SOURCING 2.7V
15
0
5
10
20
25
30
–40
10
60
110
LOAD CURRENT (mA)
TEMPERATURE (°C)
Figure 31. Headroom/Footroom vs. Load Current
Figure 34. Supply Current vs. Temperature
Rev. 0 | Page 13 of 32
AD5696R/AD5695R/AD5694R
Data Sheet
2.5008
2.5003
2.4998
2.4993
2.4988
4.0
DAC A
DAC B
DAC C
3.5
DAC D
3.0
2.5
2.0
1.5
1.0
CHANNEL B
= 25°C
T
A
V
T
= 5V
= 25°C
V
= 5.25V
DD
DD
INTERNAL REFERENCE
CODE = 7FFF TO 8000
ENERGY = 0.227206nV-sec
0.5
0
A
INTERNAL REFERENCE = 2.5V
¼ TO ¾ SCALE
10
20
40
80
160
320
0
2
4
6
8
10
12
TIME (µs)
TIME (µs)
Figure 35. Settling Time, 5.25 V
Figure 38. Digital-to-Analog Glitch Impulse
0.06
0.05
0.04
0.03
0.02
0.01
0
6
0.003
0.002
0.001
0
CH A
CH B
CH C
CH D
CH B
CH C
CH D
5
V
DD
4
3
2
1
–0.001
–0.002
0
T
= 25°C
A
INTERNAL REFERENCE = 2.5V
–0.01
–1
15
–10
–5
0
5
10
0
5
10
15
20
25
TIME (µs)
TIME (µs)
Figure 36. Power-On Reset to 0 V
Figure 39. Analog Crosstalk, Channel A
3
CH A
CH B
CH C
CH D
T
GAIN = 2
SYNC
2
1
0
GAIN = 1
1
V
= 5V
= 25°C
DD
V
= 5V
= 25°C
DD
T
A
T
A
INTERNAL REFERENCE = 2.5V
EXTERNAL REFERENCE = 2.5V
–5
0
5
10
TIME (µs)
CH1 10µV M1.0s
A
CH1
802mV
Figure 37. Exiting Power-Down to Midscale
Figure 40. 0.1 Hz to 10 Hz Output Noise Plot, External Reference
Rev. 0 | Page 14 of 32
Data Sheet
AD5696R/AD5695R/AD5694R
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.1
3.0
0nF
V
= 5V
= 25°C
DD
0.1nF
10nF
0.22nF
4.7nF
T
A
T
INTERNAL REFERENCE = 2.5V
1
V
= 5V
= 25°C
DD
T
A
INTERNAL REFERENCE = 2.5V
1.590 1.595 1.600 1.605 1.610 1.615 1.620 1.625 1.630
TIME (ms)
CH1 10µV M1.0s
A
CH1
802mV
Figure 44. Settling Time vs. Capacitive Load
Figure 41. 0.1 Hz to 10 Hz Output Noise Plot, 2.5 V Internal Reference
0
1600
V
= 5V
= 25°C
DD
FULL-SCALE
MIDSCALE
ZERO-SCALE
T
A
1400
1200
1000
800
600
400
200
0
–10
INTERNAL REFERENCE = 2.5V
–20
–30
–40
–50
–60
V
= 5V
DD
T
= 25°C
A
EXTERNAL REFERENCE = 2.5V, ±0.1V p-p
10k 100k 1M
FREQUENCY (Hz)
10M
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 45. Multiplying Bandwidth, External Reference = 2.5 V, 0.1 V p-p,
10 kHz to 10 MHz
Figure 42. Noise Spectral Density
20
0
V
= 5V
= 25°C
DD
T
A
INTERNAL REFERENCE = 2.5V
–20
–40
–60
–80
–100
–120
–140
–160
–180
0
2000 4000 6000 8000 10000 12000 14000 16000 18000 20000
FREQUENCY (Hz)
Figure 43. Total Harmonic Distortion @ 1 kHz
Rev. 0 | Page 15 of 32
AD5696R/AD5695R/AD5694R
Data Sheet
TERMINOLOGY
Relative Accuracy or Integral Nonlinearity (INL)
For the DAC, relative accuracy or integral nonlinearity is a
measurement of the maximum deviation, in LSBs, from a
straight line passing through the endpoints of the DAC transfer
function. A typical INL vs. code plot is shown in Figure 13.
Output Voltage Settling Time
This is the amount of time it takes for the output of a DAC to
settle to a specified level for a ¼ to ¾ full-scale input change.
Digital-to-Analog Glitch Impulse
Digital-to-analog glitch impulse is the impulse injected into the
analog output when the input code in the DAC register changes
state. It is normally specified as the area of the glitch in nV-sec,
and is measured when the digital input code is changed by
1 LSB at the major carry transition (0x7FFF to 0x8000) (see
Figure 38).
Differential Nonlinearity (DNL)
Differential nonlinearity is the difference between the measured
change and the ideal 1 LSB change between any two adjacent
codes. A specified differential nonlinearity of 1 LSB maximum
ensures monotonicity. This DAC is guaranteed monotonic by
design. A typical DNL vs. code plot can be seen in Figure 16.
Digital Feedthrough
Zero-Code Error
Digital feedthrough is a measure of the impulse injected into the
analog output of the DAC from the digital inputs of the DAC,
but is measured when the DAC output is not updated. It is
specified in nV-sec, and measured with a full-scale code change
on the data bus, that is, from all 0s to all 1s and vice versa.
Zero-code error is a measurement of the output error when
zero code (0x0000) is loaded to the DAC register. Ideally, the
output should be 0 V. The zero-code error is always positive in
the AD5696R because the output of the DAC cannot go below
0 V due to a combination of the offset errors in the DAC and
the output amplifier. Zero-code error is expressed in mV. A plot
of zero-code error vs. temperature can be seen in Figure 23.
Reference Feedthrough
Reference feedthrough is the ratio of the amplitude of the signal
at the DAC output to the reference input when the DAC output
is not being updated. It is expressed in dB.
Full-Scale Error
Full-scale error is a measurement of the output error when full-
scale code (0xFFFF) is loaded to the DAC register. Ideally, the
output should be VDD − 1 LSB. Full-scale error is expressed in
percent of full-scale range (% of FSR). A plot of full-scale error
vs. temperature can be seen in Figure 22.
Noise Spectral Density
This is a measurement of the internally generated random
noise. Random noise is characterized as a spectral density
(nV/√Hz). It is measured by loading the DAC to midscale and
measuring noise at the output. It is measured in nV/√Hz. A plot
of noise spectral density is shown in Figure 42.
Gain Error
This is a measure of the span error of the DAC. It is the deviation
in slope of the DAC transfer characteristic from the ideal
expressed as % of FSR.
DC Crosstalk
DC crosstalk is the dc change in the output level of one DAC in
response to a change in the output of another DAC. It is
measured with a full-scale output change on one DAC (or soft
power-down and power-up) while monitoring another DAC kept
at midscale. It is expressed in μV.
Offset Error Drift
This is a measurement of the change in offset error with a
change in temperature. It is expressed in µV/°C.
Gain Temperature Coefficient
This is a measurement of the change in gain error with changes
in temperature. It is expressed in ppm of FSR/°C.
DC crosstalk due to load current change is a measure of the
impact that a change in load current on one DAC has to
another DAC kept at midscale. It is expressed in μV/mA.
Offset Error
Digital Crosstalk
Offset error is a measure of the difference between VOUT (actual)
and VOUT (ideal) expressed in mV in the linear region of the
transfer function. Offset error is measured on the AD5696R
with Code 512 loaded in the DAC register. It can be negative
or positive.
This is the glitch impulse transferred to the output of one DAC
at midscale in response to a full-scale code change (all 0s to all
1s and vice versa) in the input register of another DAC. It is
measured in standalone mode and is expressed in nV-sec.
DC Power Supply Rejection Ratio (PSRR)
This indicates how the output of the DAC is affected by changes
in the supply voltage. PSRR is the ratio of the change in VOUT to
a change in VDD for full-scale output of the DAC. It is measured
in mV/V. VREF is held at 2 V, and VDD is varied by 10%.
Rev. 0 | Page 16 of 32
Data Sheet
AD5696R/AD5695R/AD5694R
Analog Crosstalk
Total Harmonic Distortion (THD)
This is the glitch impulse transferred to the output of one DAC
due to a change in the output of another DAC. It is measured by
loading one of the input registers with a full-scale code change
(all 0s to all 1s and vice versa). Then execute a software LDAC
and monitor the output of the DAC whose digital code was not
changed. The area of the glitch is expressed in nV-sec.
This is the difference between an ideal sine wave and its
attenuated version using the DAC. The sine wave is used as the
reference for the DAC, and the THD is a measurement of the
harmonics present on the DAC output. It is measured in dB.
Voltage Reference TC
Voltage reference TC is a measure of the change in the reference
output voltage with a change in temperature. The reference TC
is calculated using the box method, which defines the TC as the
maximum change in the reference output over a given tempera-
ture range expressed in ppm/°C as follows;
DAC-to-DAC Crosstalk
This is the glitch impulse transferred to the output of one DAC
due to a digital code change and subsequent analog output
change of another DAC. It is measured by loading the attack
channel with a full-scale code change (all 0s to all 1s and vice
versa), using the write to and update commands while monitor-
ing the output of the victim channel that is at midscale. The
energy of the glitch is expressed in nV-sec.
V
REFmax −VREFmin
TC =
×106
V
×TempRange
REFnom
where:
REFmax is the maximum reference output measured over the
total temperature range.
REFmin is the minimum reference output measured over the total
temperature range.
REFnom is the nominal reference output voltage, 2.5 V.
Multiplying Bandwidth
V
The amplifiers within the DAC have a finite bandwidth. The
multiplying bandwidth is a measure of this. A sine wave on the
reference (with full-scale code loaded to the DAC) appears on
the output. The multiplying bandwidth is the frequency at
which the output amplitude falls to 3 dB below the input.
V
V
TempRange is the specified temperature range of −40°C to
+105°C.
Rev. 0 | Page 17 of 32
AD5696R/AD5695R/AD5694R
Data Sheet
THEORY OF OPERATION
The resistor string structure is shown in Figure 47. It is a string
of resistors, each of Value R. The code loaded to the DAC register
determines the node on the string where the voltage is to be
tapped off and fed into the output amplifier. The voltage is
tapped off by closing one of the switches connecting the
string to the amplifier. Because it is a string of resistors, it is
guaranteed monotonic.
DIGITAL-TO-ANALOG CONVERTER
The AD5696R/AD5695R/AD5694R are quad 16-/14-/12-bit,
serial input, voltage output DACs with an internal reference.
The parts operate from supply voltages of 2.7 V to 5.5 V. Data is
written to the AD5696R/AD5695R/AD5694R in a 24-bit word
format via a 2-wire serial interface. The AD5696R/AD5695R/
AD5694R incorporate a power-on reset circuit to ensure that the
DAC output powers up to a known output state. The devices also
have a software power-down mode that reduces the typical
current consumption to typically 4 µA.
V
REF
R
TRANSFER FUNCTION
R
R
The internal reference is on by default. To use an external
reference, only a nonreference option is available. Because the
input coding to the DAC is straight binary, the ideal output
voltage when using an external reference is given by
TO OUTPUT
AMPLIFIER
D
2
VOUT =VREF ×Gain
N
R
R
where:
D is the decimal equivalent of the binary code that is loaded to
the DAC register as follows:
0 to 4,095 for the 12-bit device.
0 to 16,383 for the 14-bit device.
0 to 65,535 for the 16-bit device.
Figure 47. Resistor String Structure
N is the DAC resolution.
Internal Reference
Gain is the gain of the output amplifier and is set to 1 by default.
This can be set to ×1 or ×2 using the gain select pin. When this
pin is tied to GND, all four DAC outputs have a span from 0 V
to VREF. If this pin is tied to VDD, all four DACs output a span of
The AD5696R/AD5695R/AD5694R on-chip reference is on at
power-up but can be disabled via a write to a control register.
See the Internal Reference Setup section for details.
The AD5696R/AD5695R/AD5694R have a 2.5 V, 2 ppm/°C
reference, giving a full-scale output of 2.5 V or 5 V depending
on the state of the GAIN pin. The internal reference associated
with the device is available at the VREF pin. This buffered
reference is capable of driving external loads of up to 10 mA.
0 V to 2 × VREF
.
DAC ARCHITECTURE
The DAC architecture consists of a string DAC followed by an
output amplifier. Figure 46 shows a block diagram of the DAC
architecture.
Output Amplifiers
V
REF
The output buffer amplifier can generate rail-to-rail voltages on
its output, which gives an output range of 0 V to VDD. The actual
range depends on the value of VREF, the GAIN pin, offset error,
and gain error. The GAIN pin selects the gain of the output.
2.5V
REF
REF (+)
INPUT
REGISTER
DAC
REGISTER
RESISTOR
STRING
V
X
OUT
REF (–)
•
If this pin is tied to GND, all four outputs have a gain of 1
and the output range is 0 V to VREF
If this pin is tied to VLOGIC, all four outputs have a gain of 2
and the output range is 0 V to 2 × VREF
GAIN
.
(GAIN = 1 OR 2)
GND
•
Figure 46. Single DAC Channel Architecture Block Diagram
.
These amplifiers are capable of driving a load of 1 kΩ in parallel
with 2 nF to GND. The slew rate is 0.8 V/µs with a ¼ to ¾ scale
settling time of 5 µs.
Rev. 0 | Page 18 of 32
Data Sheet
AD5696R/AD5695R/AD5694R
Table 7. Command Definitions
SERIAL INTERFACE
The AD5696R/AD5695R/AD5694R have 2-wire I2C-
Command
C3
0
0
C2 C1 C0 Description
compatible serial interfaces (refer to I2C-Bus Specification, Version
2.1, January 2000, available from Philips Semiconductor). See
Figure 2 for a timing diagram of a typical write sequence. The
AD5696R/AD5695R/AD5694R can be connected to an I2C bus as
a slave device, under the control of a master device. The
AD5696R/AD5695R/AD5694R support standard (100 kHz)
and fast (400 kHz) data transfer modes. Support is not provided
for 10-bit addressing and general call addressing.
0
0
0
0
0
1
0
1
0
No operation
LDAC
)
Write to Input Register n (dependent on
0
Update DAC Register n with contents of Input
Register n
0
0
0
1
1
0
1
0
Write to and update DAC Channel n
Power down/power up DAC
0
1
0
1
LDAC
Hardware mask register
0
0
1
1
1
0
1
1
0
0
1
0
Software reset (power-on reset)
Internal reference setup register
Reserved
Input Shift Register
The input shift register of the AD5696R/AD5695R/AD5694R is
24 bits wide. Data is loaded into the device as a 24-bit word
under the control of a serial clock input, SCL. The first eight
MSBs make up the command byte. The first four bits are the
command bits (C3, C2, C1, C0) that control the mode of
operation of the device (see Table 7). The last 4 bits of first byte
are the address bits (DAC A, DAC B, DAC C, DAC D) (see
Table 8).
…
1
…
1
…
1
…
1
Reserved
Reserved
Table 8. Address Commands
Address (n)
DAC D DAC C
DAC B DAC A
Selected DAC Channel1
DAC A
DAC B
DAC C
DAC D
DAC A and DAC B1
All DACs
0
0
0
1
0
1
0
0
1
0
0
1
0
1
0
0
1
1
1
0
0
0
1
1
The data-word comprises 16-bit, 14-bit, or 12-bit input code,
followed by four, two, or zero don’t care bits for the AD5696R,
AD5695R, and AD5694R, respectively (see Figure 48, Figure 49,
and Figure 50). These data bits are transferred to the input
register on the 24 falling edges of SCL.
1 Any combination of DAC channels can be selected using the address bits.
Commands can be executed on individual DAC channels,
combined DAC channels, or on all DACs, depending on the
address bits selected.
DB23 DB22 DB21 DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
C3
C2
C1
C0 DAC D DAC C DAC B DAC A D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
X
X
X
X
COMMAND
DAC ADDRESS
DAC DATA
DAC DATA
COMMAND BYTE
DATA HIGH BYTE
DATA LOW BYTE
Figure 48. AD5696R Input Shift Register Content
DB23 DB22 DB21 DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
C3
C2
C1
C0 DAC D DAC C DAC B DAC A D13
DAC ADDRESS
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
X
X
COMMAND
DAC DATA
DAC DATA
COMMAND BYTE
DATA HIGH BYTE
DATA LOW BYTE
Figure 49. AD5695R Input Shift Register Content
DB23 DB22 DB21 DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
C3
C2
C1
C0 DAC D DAC C DAC B DAC A D15
DAC ADDRESS
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
COMMAND
DAC DATA
DAC DATA
COMMAND BYTE
DATA HIGH BYTE
DATA LOW BYTE
Figure 50. AD5694R Input Shift Register Content
Rev. 0 | Page 19 of 32
AD5696R/AD5695R/AD5694R
Data Sheet
Update DAC Register n with Contents of Input Register n
WRITE AND UPDATE COMMANDS
Command 0010 loads the DAC registers/outputs with the
contents of the input registers selected and updates the DAC
outputs directly.
Write to Input Register n (Dependent on
)
LDAC
Command 0001 allows the user to write to each DAC’s
LDAC
dedicated input register individually. When
the input register is transparent (if not controlled by the
mask register).
is low,
LDAC
Write to and Update DAC Channel n (Independent of
)
LDAC
Command 0011 allows the user to write to the DAC registers
and update the DAC outputs directly.
Rev. 0 | Page 20 of 32
Data Sheet
AD5696R/AD5695R/AD5694R
2. Data is transmitted over the serial bus in sequences of nine
clock pulses (eight data bits followed by an acknowledge
bit). The transitions on the SDA line must occur during
the low period of SCL and remain stable during the high
period of SCL.
3. When all data bits have been read or written, a stop
condition is established. In write mode, the master pulls
the SDA line high during the 10th clock pulse to establish
a stop condition. In read mode, the master issues a no
acknowledge for the 9th clock pulse (that is, the SDA line
remains high). The master then brings the SDA line low
before the 10th clock pulse, and then high during the 10th
clock pulse to establish a stop condition.
SERIAL OPERATION
The AD5696R/AD5695R/AD5694R each have a 7-bit slave
address. The five MSBs are 00011 and the two LSBs (A1, A0)
are set by the state of the A0 and A1 address pins. The ability
to make hardwired changes to A0 and A1 allows the user to
incorporate up to four of these devices on one bus, as outlined
in Table 9.
Table 9. Device Address Selection
A0 Pin Connection
A1 Pin Connection
A0
0
1
A1
0
0
GND
VLOGIC
GND
GND
GND
VLOGIC
0
1
VLOGIC
VLOGIC
1
1
WRITE OPERATION
The 2-wire serial bus protocol operates as follows:
1. The master initiates data transfer by establishing a start
When writing to the AD5696R/AD5695R/AD5694R, the user
must begin with a start command followed by an address byte
W
(R/ = 0), after which the DAC acknowledges that it is
condition when a high-to-low transition on the SDA line
occurs while SCL is high. The following byte is the address
byte, which consists of the 7-bit slave address. The slave
address corresponding to the transmitted address responds
by pulling SDA low during the 9th clock pulse (this is
termed the acknowledge bit). At this stage, all other devices
on the bus remain idle while the selected device waits for
data to be written to, or read from, its shift register.
prepared to receive data by pulling SDA low. The AD5696R/
AD5695R/AD5694R require two bytes of data for the DAC
and a command byte that controls various DAC functions.
Three bytes of data must, therefore, be written to the DAC with
the command byte followed by the most significant data byte
and the least significant data byte, as shown in Figure 51. All
these data bytes are acknowledged by the AD5696R/AD5695R/
AD5694R. A stop condition follows.
1
9
1
9
SCL
SDA
0
0
0
1
1
A1
A0
R/W
DB23 DB22 DB21 DB20 DB19 DB18 DB17 DB16
ACK. BY
ACK. BY
AD56x6
START BY
MASTER
AD56x6
FRAME 1
SLAVE ADDRESS
FRAME 2
COMMAND BYTE
1
9
1
9
SCL
(CONTINUED)
SDA
(CONTINUED)
DB15 DB14 DB13 DB12 DB11 DB10 DB9
DB7
DB6 DB5 DB4
DB3
DB2
DB1
DB0
DB8
STOP BY
MASTER
ACK. BY
AD56x6
ACK. BY
AD56x6
FRAME 3
MOST SIGNIFICANT
DATA BYTE
FRAME 4
LEAST SIGNIFICANT
DATA BYTE
Figure 51. I2C Write Operation
Rev. 0 | Page 21 of 32
AD5696R/AD5695R/AD5694R
Data Sheet
MULTIPLE DAC READBACK SEQUENCE
READ OPERATION
W
The user begins with an address byte (R/ = 0), after which the
When reading data back from the AD5696R DACs, the user
DAC acknowledges that it is prepared to receive data by pulling
SDA low. This address byte must be followed by the control
byte, which is also acknowledged by the DAC. The user
configures which channel to start the readback using the
control byte. Following this, there is a repeated start condition
W
begins with an address byte (R/ = 0), after which the DAC
acknowledges that it is prepared to receive data by pulling SDA
low. This address byte must be followed by the control byte that
determines both the read command that is to follow and the
pointer address to read from, which is also acknowledged by
the DAC. The user configures which channel to read back and
sets the readback command to active using the control byte.
Following this, there is a repeated start condition by the master
W
by the master and the address is resent with R/ = 1. This is
acknowledged by the DAC, indicating that it is prepared to
transmit data. The first two bytes of data are then read from the
DAC Input Register n selected using the control byte, most
significant byte first as shown in Figure 52. The next two bytes
read back are the contents of DAC Input Register n + 1, the next
bytes read back are the contents of DAC Input Register n + 2.
Data continues to be read from the DAC input registers in this
auto-incremental fashion, until a NACK followed by a stop
condition follows. If the contents of DAC Input Register D are
read out, the next two bytes of data that are read are from the
contents of DAC Input Register A.
W
and the address is resent with R/ = 1. This is acknowledged
by the DAC, indicating that it is prepared to transmit data.
Two bytes of data are then read from the DAC, as shown in
Figure 52. A NACK condition from the master, followed by a
STOP condition, completes the read sequence. Default readback
is Channel A if more than one DAC is selected.
1
9
1
9
SCL
SDA
0
0
0
1
1
A1
A0
R/W
DB23 DB22 DB21 DB20 DB19 DB18 DB17 DB16
ACK. BY
ACK. BY
AD5696R
START BY
MASTER
AD5696R
FRAME 1
SLAVE ADDRESS
FRAME 2
COMMAND BYTE
1
9
1
9
SCL
SDA
0
0
0
1
1
A1
A0
R/W
DB15 DB14 DB13 DB12 DB11 DB10 DB9
DB8
REPEATED START BY
MASTER
ACK. BY
AD5696R
ACK. BY
AD5696R
FRAME 3
SLAVE ADDRESS
FRAME 4
MOST SIGNIFICANT
DATA BYTE n
1
9
1
9
SCL
(CONTINUED)
SDA
(CONTINUED)
DB15 DB14 DB13 DB12 DB11 DB10 DB9
DB8
DB7 DB6
DB5 DB4
DB3 DB2
DB1
DB0
ACK. BY
MASTER
NACK. BY STOP BY
AD5696R MASTER
FRAME 3
FRAME 4
MOST SIGNIFICANT
DATA BYTE n – 1
SLAVE ADDRESS
SIGNIFICANT DATA BYTE n
Figure 52. I2C Read Operation
Rev. 0 | Page 22 of 32
Data Sheet
AD5696R/AD5695R/AD5694R
output stage is also internally switched from the output of the
amplifier to a resistor network of known values. This has the
advantage that the output impedance of the part is known while
the part is in power-down mode. There are three different
power-down options. The output is connected internally to
GND through either a 1 kΩ or a 100 kΩ resistor, or it is left
open-circuited (three-state). The output stage is illustrated in
Figure 53.
POWER-DOWN OPERATION
The AD5696R/AD5695R/AD5694R contain three separate
power-down modes. Command 0100 is designated for the power-
down function (see Table 7). These power-down modes are
software-programmable by setting eight bits, Bit DB7 to Bit DB0,
in the shift register. There are two bits associated with each DAC
channel. Table 10 shows how the state of the two bits corresponds
to the mode of operation of the device.
Table 10. Modes of Operation
AMPLIFIER
V
X
DAC
OUT
Operating Mode
Normal Operation
Power-Down Modes
1 kΩ to GND
100 kΩ to GND
Three-State
PDx1
PDx0
0
0
0
1
1
1
0
1
POWER-DOWN
CIRCUITRY
RESISTOR
NETWORK
Figure 53. Output Stage During Power-Down
Any or all DACs (DAC A to DAC D) can be powered down
to the selected mode by setting the corresponding bits. See
Table 11 for the contents of the input shift register during
the power-down/power-up operation.
The bias generator, output amplifier, resistor string, and other
associated linear circuitry are shut down when the power-down
mode is activated. However, the contents of the DAC register
are unaffected when in power-down. The DAC register can be
updated while the device is in power-down mode. The time
required to exit power-down is typically 4.5 µs for VDD = 5 V.
When both Bit PDx1 and Bit PDx0 (where x is the channel
selected) in the input shift register are set to 0, the parts work
normally with its normal power consumption of 4 mA at 5 V.
However, for the three power-down modes, the supply current
falls to 4 μA at 5 V. Not only does the supply current fall, but the
To reduce the current consumption further, the on-chip reference
can be powered off. See the Internal Reference Setup section.
Table 11. 24-Bit Input Shift Register Contents of Power-Down/Power-Up Operation1
DB15
to
DB8
DB0
(LSB)
DB23 DB22
DB21
DB20
DB19 to DB16
DB7
DB6
DB5
DB4
DB3
DB2
DB1
0
1
0
0
X
X
PDD1
PDD0
PDC1
PDC0
PDB1
PDB0 PDA1
PDA0
Command bits (C3 to C0)
Address bits
Don’t care
Power-Down
Select DAC D
Power-Down
Select DAC C
Power-Down
Select DAC B
Power-Down
Select DAC A
1 X = don’t care.
Rev. 0 | Page 23 of 32
AD5696R/AD5695R/AD5694R
Data Sheet
LOAD DAC (HARDWARE LDAC PIN)
LDAC MASK REGISTER
The AD5696R/AD5695R/AD5694R DACs have double
buffered interfaces consisting of two banks of registers:
input registers and DAC registers. The user can write to
any combination of the input registers. Updates to the DAC
LDAC
function.
Command 0101 is reserved for this software
Address bits are ignored. Writing to the DAC, using Command
LDAC
0101, loads the 4-bit
for each channel is 0; that is, the
Setting the bits to 1 forces this DAC channel to ignore transitions
LDAC LDAC
register (DB3 to DB0). The default
LDAC
pin works normally.
LDAC
register are controlled by the
pin.
OUTPUT
AMPLIFIER
on the
pin. This flexibility is useful in applications where the user
LDAC
pin, regardless of the state of the hardware
12-/14-/16-BIT
REFIN
LDAC
V
OUT
DAC
wishes to select which channels respond to the
LDAC
pin.
Table 12.
Load LDAC Register
LDAC Bits
Overwrite Definition
DAC
REGISTER
LDAC Pin LDAC Operation
(DB3 to DB0)
INPUT
REGISTER
0
1
1 or 0
X1
Determined by the LDAC pin.
DAC channels update and
override the LDAC pin. DAC
channels see LDAC as 1.
SCL
SDO
INPUT SHIFT
REGISTER
1 X = don’t care.
Figure 54. Simplified Diagram of Input Loading Circuitry for a Single DAC
LDAC
The
over the hardware
bits (DB0 to DB3) to 0 for a DAC channel means that this
LDAC
register gives the user extra flexibility and control
LDAC
Instantaneous DAC Updating (
Held Low)
LDAC LDAC
pin (see Table 12). Setting the
LDAC
is held low while data is clocked into the input register
using Command 0001. Both the addressed input register and
the DAC register are updated on the 24th clock and the output
begins to change (see Table 13).
channel’s update is controlled by the hardware
pin.
LDAC
Deferred DAC Updating (
is Pulsed Low)
LDAC
is held high while data is clocked into the input register
using Command 0001. All DAC outputs are asynchronously
th
LDAC
updated by taking
low after the 24 clock. The update
LDAC
now occurs on the falling edge of
Table 13. Write Commands and
Commands Description
.
1
LDAC
Pin Truth Table
Hardware LDAC
Pin State
Input Register
Contents
DAC Register Contents
No change (no update)
Data update
0001
Write to Input Register n (dependent on LDAC)
VLOGIC
GND2
Data update
Data update
No change
0010
Update DAC Register n with contents of Input
Register n
VLOGIC
Updated with input register
contents
GND
No change
Updated with input register
contents
0011
Write to and update DAC Channel n
VLOGIC
GND
Data update
Data update
Data update
Data update
1
LDAC
A high to low hardware
pin transition always updates the contents of the contents of the DAC register with the contents of the input register on channels that
LDAC
are not masked (blocked) by the
mask register.
2 When LDAC is permanently tied low, the LDAC mask bits are ignored.
Rev. 0 | Page 24 of 32
Data Sheet
AD5696R/AD5695R/AD5694R
HARDWARE RESET (
)
RESET
SOLDER HEAT REFLOW
RESET
is an active low reset that allows the outputs to be
cleared to either zero scale or midscale. The clear code value is
RESET
As with all IC reference voltage circuits, the reference value
experiences a shift induced by the soldering process. Analog
Devices, Inc., performs a reliability test called precondition to
mimic the effect of soldering a device to a board. The output
voltage specification quoted previously includes the effect of
this reliability test.
user selectable via the
RESET
operation (see Figure 2). When the
high, the output remains at the cleared value until a new value is
programmed. The outputs cannot be updated with a new value
select pin. It is necessary to keep
low for a minimum amount of time to complete the
RESET
signal is returned
Figure 55 shows the effect of solder heat reflow (SHR) as
measured through the reliability test (precondition).
RESET
while the
pin is low. There is also a software executable
reset function that resets the DAC to the power-on reset code.
Command 0110 is designated for this software reset function
POSTSOLDER
HEAT REFLOW
60
50
40
30
20
10
0
LDAC RESET
(see Table 7). Any events on
reset are ignored.
or
during power-on
PRESOLDER
HEAT REFLOW
RESET SELECT PIN (RSTSEL)
The AD5696R/AD5695R/AD5694R contain a power-on reset
circuit that controls the output voltage during power-up. By
connecting the RSTSEL pin low, the output powers up to zero
scale. Note that this is outside the linear region of the DAC; by
connecting the RSTSEL pin high, VOUT powers up to midscale.
The output remains powered up at this level until a valid write
sequence is made to the DAC.
2.498
2.499
2.500
(V)
2.501
2.502
V
REF
INTERNAL REFERENCE SETUP
Figure 55. SHR Reference Voltage Shift
The on-chip reference is on at power-up by default. To reduce
the supply current, this reference can be turned off by setting
software programmable bit, DB0, in the control register.
Table 14 shows how the state of the bit corresponds to the
mode of operation. Command 0111 is reserved for setting up
the internal reference (see Figure 6). Table 14 shows how the
state of the bits in the input shift register corresponds to the
mode of operation of the device during internal reference setup.
LONG-TERM TEMPERATURE DRIFT
Figure 56 shows the change in VREF value after 1000 hours in life
test at 150°C.
0 HOUR
168 HOURS
500 HOURS
1000 HOURS
60
50
40
30
20
10
0
Table 14. Reference Setup Register
Internal Reference
Setup Register (DB0) Action
0
1
Reference on (default)
Reference off
2.498
2.499
2.500
(V)
2.501
2.502
V
REF
Figure 56. Reference Drift Through to 1000 Hours
Rev. 0 | Page 25 of 32
AD5696R/AD5695R/AD5694R
Data Sheet
9
8
7
6
5
4
3
2
1
THERMAL HYSTERESIS
FIRST TEMPERATURE SWEEP
SUBSEQUENT TEMPERATURE SWEEPS
Thermal hysteresis is the voltage difference induced on the
reference voltage by sweeping the temperature from ambient
to cold, to hot and then back to ambient.
Thermal hysteresis data is shown in Figure 57. It is measured by
sweeping temperature from ambient to −40°C, then to +105°C,
and returning to ambient. The VREF delta is then measured
between the two ambient measurements and shown in blue
in Figure 57. The same temperature sweep and measurements
were immediately repeated and the results are shown in red in
Figure 57.
0
–200
–150
–100
–50
0
50
DISTORTION (ppm)
Figure 57. Thermal Hysteresis
Table 15. 24-Bit Input Shift Register Contents for Internal Reference Setup Command1
DB23
(MSB)
DB22 DB21
DB20
DB19
DB18
DB17
DB16
DB15 to DB1
X
DB0 (LSB)
0
1
1
1
X
X
X
X
1/0
Command bits (C3 to C0)
Address bits (A2 to A0)
Don’t care
Reference setup register
1 X = don’t care.
Rev. 0 | Page 26 of 32
Data Sheet
AD5696R/AD5695R/AD5694R
APPLICATIONS INFORMATION
special considerations to design the motherboard and to mount
the package. For enhanced thermal, electrical, and board level
performance, solder the exposed paddle on the bottom of the
package to the corresponding thermal land paddle on the PCB.
Design thermal vias into the PCB land paddle area to further
improve heat dissipation.
MICROPROCESSOR INTERFACING
Microprocessor interfacing to the AD5696R/AD5695R/
AD5694R is via a serial bus that uses a standard protocol that
is compatible with DSP processors and microcontrollers. The
communications channel requires a 2-wire interface consisting of
a clock signal and a data signal.
The GND plane on the device can be increased (as shown in
Figure 59) to provide a natural heat sinking effect.
AD5696R/AD5695R/AD5694R TO ADSP-BF531
INTERFACE
AD5696R/
AD5695R/
AD5694R
The I2C interface of the AD5696R/AD5695R/AD5694R is
designed to be easily connected to industry-standard DSPs and
microcontrollers. Figure 58 shows the AD5696R/AD5695R/
AD5694R connected to the Analog Devices Blackfin® DSP. The
Blackfin has an integrated I2C port that can be connected
directly to the I2C pins of the AD5696R/AD5695R/AD5694R.
GND
PLANE
AD5696R/
AD5695R/
AD5694R
BOARD
ADSP-BF531
Figure 59. Paddle Connection to Board
GPIO1
GPIO2
SCL
SDA
GALVANICALLY ISOLATED INTERFACE
In many process control applications, it is necessary to
provide an isolation barrier between the controller and
the unit being controlled to protect and isolate the controlling
circuitry from any hazardous common-mode voltages that
may occur. iCoupler® products from Analog Devices provide
voltage isolation in excess of 2.5 kV. The serial loading struc-
ture of the AD5696R/AD5695R/AD5694R makes the part ideal
for isolated interfaces because the number of interface lines is
kept to a minimum. Figure 60 shows a 4-channel isolated
interface to the AD5696R/AD5695R/AD5694R using an
ADuM1400. For further information, visit
PF9
PF8
LDAC
RESET
Figure 58. ADSP-BF531 Interface
LAYOUT GUIDELINES
In any circuit where accuracy is important, careful consider-
ation of the power supply and ground return layout helps
to ensure the rated performance. The PCB on which the
AD5696R/AD5695R/AD5694R are mounted should be
designed so that the AD5696R/AD5695R/AD5694R lie
on the analog plane.
http://www.analog.com/icouplers.
The AD5696R/AD5695R/AD5694R should have ample supply
bypassing of 10 μF in parallel with 0.1 μF on each supply, located as
close to the package as possible, ideally right up against the
device. The 10 μF capacitors are the tantalum bead type. The
0.1 μF capacitor should have low effective series resistance
(ESR) and low effective series inductance (ESI) such as the
common ceramic types, which provide a low impedance path to
ground at high frequencies to handle transient currents due to
internal logic switching.
ADuM14001
CONTROLLER
V
V
V
V
V
V
V
V
IA
IB
IC
ID
OA
OB
OC
OD
TO
SERIAL
ENCODE
ENCODE
ENCODE
ENCODE
DECODE
DECODE
DECODE
DECODE
SCL
CLOCK IN
TO
SDA
SERIAL
DATA OUT
TO
RESET
RESET OUT
In systems where there are many devices on one board, it is
often useful to provide some heat sinking capability to allow
the power to dissipate easily.
LOAD DAC
OUT
TO
LDAC
1
ADDITIONAL PINS OMITTED FOR CLARITY.
The AD5696R/AD5695R/AD5694R LFCSP models have an
exposed paddle beneath the device. Connect this paddle to the
GND supply for the part. For optimum performance, use
Figure 60. Isolated Interface
Rev. 0 | Page 27 of 32
AD5696R/AD5695R/AD5694R
OUTLINE DIMENSIONS
Data Sheet
3.10
3.00 SQ
2.90
0.30
0.23
0.18
PIN 1
INDICATOR
PIN 1
INDICATOR
13
16
0.50
BSC
1
4
12
EXPOSED
PAD
1.75
1.60 SQ
1.45
9
8
5
0.50
0.40
0.30
0.25 MIN
TOP VIEW
BOTTOM VIEW
FOR PROPER CONNECTION OF
THE EXPOSED PAD, REFER TO
THE PIN CONFIGURATION AND
FUNCTION DESCRIPTIONS
0.80
0.75
0.70
0.05 MAX
0.02 NOM
COPLANARITY
0.08
SECTION OF THIS DATA SHEET.
SEATING
PLANE
0.20 REF
COMPLIANT TO JEDEC STANDARDS MO-220-WEED-6.
Figure 61. 16-Lead Lead Frame Chip Scale Package [LFCSP_WQ]
3 mm × 3 mm Body, Very Very Thin Quad
(CP-16-22)
Dimensions shown in millimeters
5.10
5.00
4.90
16
9
8
4.50
4.40
4.30
6.40
BSC
1
PIN 1
1.20
MAX
0.15
0.05
0.20
0.09
0.75
0.60
0.45
8°
0°
0.30
0.19
0.65
BSC
SEATING
PLANE
COPLANARITY
0.10
COMPLIANT TO JEDEC STANDARDS MO-153-AB
Figure 62. 16-Lead Thin Shrink Small Outline Package [TSSOP]
(RU-16)
Dimensions shown in millimeters
Rev. 0 | Page 28 of 32
Data Sheet
AD5696R/AD5695R/AD5694R
ORDERING GUIDE
Reference
Tempco
(ppm/°C)
Temperature
Range
Package
Description
Package
Option
Model1
Resolution
16 Bits
16 Bits
16 Bits
16 Bits
16 Bits
16 Bits
14 Bits
14 Bits
14 Bits
14 Bits
14 Bits
12 Bits
12 Bits
12 Bits
12 Bits
12 Bits
Accuracy
8 LSB INL
2 LSB INL
8 LSB INL
8 LSB INL
2 LSB INL
2 LSB INL
1 LSB INL
4 LSB INL
4 LSB INL
1 LSB INL
1 LSB INL
1 LSB INL
2 LSB INL
2 LSB INL
1 LSB INL
1 LSB INL
Branding
DJA
DJD
AD5696RACPZ-RL7
AD5696RBCPZ-RL7
AD5696RARUZ
AD5696RARUZ-RL7
AD5696RBRUZ
AD5696RBRUZ-RL7
AD5695RBCPZ-RL7
AD5695RARUZ
AD5695RARUZ-RL7
AD5695RBRUZ
AD5695RBRUZ-RL7
AD5694RBCPZ-RL7
AD5694RARUZ
AD5694RARUZ-RL7
AD5694RBRUZ
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
−40°C to +105°C
5 (typ)
5 (max)
5 (typ)
5 (typ)
5 (max)
5 (max)
5 (max)
5 (typ)
5 (typ)
5 (max)
5 (max)
5 (max)
5 (typ)
5 (typ)
5 (max)
5 (max)
16-Lead LFCSP_WQ CP-16-22
16-Lead LFCSP_WQ CP-16-22
16-Lead TSSOP
16-Lead TSSOP
16-Lead TSSOP
16-Lead TSSOP
RU-16
RU-16
RU-16
RU-16
16-Lead LFCSP_WQ CP-16-22
DJR
DJL
16-Lead TSSOP
16-Lead TSSOP
16-Lead TSSOP
16-Lead TSSOP
RU-16
RU-16
RU-16
RU-16
16-Lead LFCSP_WQ CP-16-22
16-Lead TSSOP
16-Lead TSSOP
16-Lead TSSOP
16-Lead TSSOP
RU-16
RU-16
RU-16
RU-16
AD5694RBRUZ-RL7
EVAL-AD5696RSDZ
AD5696R TSSOP
Evaluation Board
EVAL-AD5694RSDZ
AD5694R TSSOP
Evaluation Board
1 Z = RoHS Compliant Part.
Rev. 0 | Page 29 of 32
AD5696R/AD5695R/AD5694R
NOTES
Data Sheet
Rev. 0 | Page 30 of 32
Data Sheet
NOTES
AD5696R/AD5695R/AD5694R
Rev. 0 | Page 31 of 32
AD5696R/AD5695R/AD5694R
NOTES
Data Sheet
©2012 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
D10486-0-4/12(0)
Rev. 0 | Page 32 of 32
AD5696BRUZ 替代型号
型号 | 制造商 | 描述 | 替代类型 | 文档 |
AD5696BRUZ-RL7 | ADI | Quad, 16-Bit nanoDAC+&trade; with I<sup>2</sup>C Interface | 完全替代 |
AD5696BRUZ 相关器件
型号 | 制造商 | 描述 | 价格 | 文档 |
AD5696BRUZ-RL7 | ADI | Quad, 16-Bit nanoDAC+&trade; with I<sup>2</sup>C Interface | 获取价格 | |
AD5696R | ADI | Quad 16-/14-/12-Bit nanoDAC | 获取价格 | |
AD5696RACPZ-RL7 | ADI | Quad 16-/14-/12-Bit nanoDAC | 获取价格 | |
AD5696RARUZ | ADI | Quad 16-/14-/12-Bit nanoDAC | 获取价格 | |
AD5696RARUZ-RL7 | ADI | Quad 16-/14-/12-Bit nanoDAC | 获取价格 | |
AD5696RBCPZ-RL7 | ADI | Quad 16-/14-/12-Bit nanoDAC | 获取价格 | |
AD5696RBRUZ | ADI | Quad 16-/14-/12-Bit nanoDAC | 获取价格 | |
AD5696RBRUZ-RL7 | ADI | Quad 16-/14-/12-Bit nanoDAC | 获取价格 | |
AD5696R_17 | ADI | Quad 16-/14-/12-Bit nanoDAC Reference, I2C Interface | 获取价格 | |
AD5697R | ADI | Dual, 12-Bit nanoDAC with 2 ppm/°C Reference, I2C Interface | 获取价格 |
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