AD8271ARMZ-R7 [ADI]
Programmable Gain Precision Difference Amplifier;型号: | AD8271ARMZ-R7 |
厂家: | ADI |
描述: | Programmable Gain Precision Difference Amplifier 放大器 光电二极管 |
文件: | 总21页 (文件大小:403K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
Programmable Gain
Precision Difference Amplifier
AD8271
FUNCTIONAL BLOCK DIAGRAM
FEATURES
With no external resistors
10kΩ
10kΩ
10kΩ
10kΩ
10kΩ
20kΩ
Difference amplifier, gains of ½, 1, or 2
Single-ended amplifier: over 40 different gains
Set reference voltage at midsupply
Excellent ac specifications
15 MHz bandwidth
30 V/μs slew rate
High accuracy dc performance
0.08% maximum gain error
10 ppm/°C maximum gain drift
80 dB minimum CMRR (gain of 2)
10-lead MSOP package
1
2
3
4
5
10
P1
N3
9
P2
P3
N2
N1
8
OUT
20kΩ
7
P4
6
–V
+V
S
S
AD8271
Figure 1.
Supply current: 2.6 mA
Supply range: 2.5 V to 18 V
APPLICATIONS
ADC driver
Instrumentation amplifier building blocks
Level translators
Automatic test equipment
High performance audio
Sine/cosine encoders
GENERAL DESCRIPTION
Table 1. Difference Amplifiers by Category
The AD8271 is a low distortion, precision difference amplifier
with internal gain setting resistors. With no external components,
it can be configured as a high performance difference amplifier
with gains of ½, 1, or 2. It can also be configured in over 40 single-
ended configurations, with gains ranging from −2 to +3.
High
Speed
High
Voltage
Single-Supply
Unidirectional
Single-Supply
Bidirectional
AD8270
AD8273
AD8274
AMP03
AD628
AD629
AD8202
AD8203
AD8205
AD8206
AD8216
The AD8271 comes in a 10-lead MSOP package. The AD8271
operates on both single and dual supplies and requires only a
2.6 mA maximum supply current. It is specified over the industrial
temperature range of −40°C to +85°C and is fully RoHS compliant.
For a dual channel version of the AD8271, see the AD8270
data sheet.
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
rights of third parties that may result from its 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 and registeredtrademarks arethe 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
©2009 Analog Devices, Inc. All rights reserved.
AD8271* PRODUCT PAGE QUICK LINKS
Last Content Update: 02/23/2017
COMPARABLE PARTS
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DESIGN RESOURCES
• AD8271 Material Declaration
• PCN-PDN Information
• Quality And Reliability
• Symbols and Footprints
DOCUMENTATION
Data Sheet
• AD8271: Programmable Gain Precision Difference
Amplifier Preliminary Data Sheet
DISCUSSIONS
View all AD8271 EngineerZone Discussions.
REFERENCE DESIGNS
• CN0122
SAMPLE AND BUY
Visit the product page to see pricing options.
• CN0312
REFERENCE MATERIALS
Technical Articles
TECHNICAL SUPPORT
Submit a technical question or find your regional support
number.
• MS-2178: Discussion Between CareFusion and Analog
Devices: Optimizing Performance and Lowering Power in
an EEG Amplifer
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AD8271
TABLE OF CONTENTS
Features .............................................................................................. 1
Circuit Information.................................................................... 15
Driving the AD8271................................................................... 15
Power Supplies............................................................................ 15
Input Voltage Range................................................................... 15
Applications Information.............................................................. 16
Difference Amplifier Configurations ...................................... 16
Single-Ended Configurations ................................................... 17
Kelvin Measurement.................................................................. 18
Instrumentation Amplifier........................................................ 18
Driving Cabling.......................................................................... 19
Driving an ADC ......................................................................... 19
Outline Dimensions....................................................................... 20
Ordering Guide .......................................................................... 20
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Difference Amplifier Configurations ........................................ 3
Absolute Maximum Ratings............................................................ 6
Thermal Resistance ...................................................................... 6
Maximum Power Dissipation ..................................................... 6
ESD Caution.................................................................................. 6
Pin Configuration and Function Description .............................. 7
Typical Performance Characteristics ............................................. 8
Operational Amplifier Plots...................................................... 14
Theory of Operation ...................................................................... 15
REVISION HISTORY
1/09—Revision 0: Initial Version
Rev. 0 | Page 2 of 20
AD8271
SPECIFICATIONS
DIFFERENCE AMPLIFIER CONFIGURATIONS
VS = 5 to 15 V, VREF = 0 V, G = 1, RLOAD = 2 kΩ, TA = 25°C, specifications referred to input (RTI), unless otherwise noted.
Table 2.
B Grade
A Grade
Parameter
Conditions
Min
Typ Max
Min
Typ Max
Unit
DYNAMIC PERFORMANCE
Bandwidth
Slew Rate
15
30
15
30
MHz
V/μs
ns
ns
ns
Settling Time to 0.01%
VS = 15ꢀ 10 V step on output
VS = 5ꢀ 5 V step on output
VS = 15ꢀ 10 V step on output
VS = 5ꢀ 5 V step on output
700 800
550 650
750 900
600 750
700 800
550 650
750 900
600 750
Settling Time to 0.001%
ns
NOISE/DISTORTION
Harmonic Distortion + Noise
VS = 15ꢀ f = 1 kHzꢀ
VOUT = 10 V p-pꢀ RLOAD = 600 Ω
VS = 5ꢀ f = 1 kHzꢀ
110
141
110
141
dB
dB
VOUT = 10 V p-pꢀ RLOAD = 600 Ω
f = 0.1 Hz to 10 Hz
f = 1 kHz
Voltage Noise1
1.5
38
1.5
38
μV p-p
nV/√Hz
GAIN
Gain Error
Gain Drift
Gain Nonlinearity
VOUT = 10 V p-p
TA = −40°C to +85°C
VOUT = 10 V p-pꢀ
0.02
2
0.05
10
%
ppm/°C
ppm
1
1
1
1
RLOAD = 10 kΩꢀ 2 kΩꢀ 600 Ω
INPUT CHARACTERISTICS
Offset2
300 600
300 1000
μV
Average Temperature Drift
TA = −40°C to +85°C
2
92
2
2
92
2
μV/°C
dB
μV/V
V
kΩ
nA
Common-Mode Rejection Ratio DC to 1 kHz
Power Supply Rejection Ratio
Input Voltage Range3
Common-Mode Resistance4
Bias Current
80
74
10
+VS + 0.4
10
+VS + 0.4
−VS − 0.4
−VS − 0.4
10
10
Inputs grounded
500
500
OUTPUT CHARACTERISTICS
Output Swing
VS = 15
VS = 15ꢀ TA = −40°C to +85°C
−13.8
−13.7
−4
+13.8
+13.7
+4
−13.8
−13.7
−4
+13.8
+13.7
+4
V
V
V
VS =
5
VS = 5ꢀ TA = −40°C to +85°C
Sourcing
Sinking
−3.9
+3.9
−3.9
+3.9
V
mA
mA
Short-Circuit Current Limit
100
60
100
60
POWER SUPPLY
Supply Current
2.3
2.6
3.2
2.3
2.6
3.2
mA
mA
TA = −40°C to +85°C
1 Includes amplifier voltage and current noiseꢀ as well as noise of internal resistors.
2 Includes input bias and offset errors.
3 At voltages beyond the railsꢀ internal ESD diodes begin to turn on. In some configurationsꢀ the input voltage range may be limited by the internal op amp (see the
Input Voltage Range section for details).
4 Internal resistorsꢀ trimmed to be ratio matchedꢀ have 20% absolute accuracy. Common-mode resistance was calculated with both inputs in parallel. The common-
mode impedance at only one input is 2× the resistance listed.
Rev. 0 | Page 3 of 20
AD8271
VS = 5 to 15 V, VREF = 0 V, G = ½, RLOAD = 2 kΩ, TA = 25°C, specifications referred to input (RTI), unless otherwise noted.
Table 3.
B Grade
A Grade
Parameter
Conditions
Min
Typ Max
Min
Typ Max
Unit
DYNAMIC PERFORMANCE
Bandwidth
Slew Rate
20
30
20
30
MHz
V/μs
ns
ns
ns
Settling Time to 0.01%
VS = 15ꢀ 10 V step on output
VS = 5ꢀ 5 V step on output
VS = 15ꢀ 10 V step on output
VS = 5ꢀ 5 V step on output
700 800
550 650
750 900
600 750
700 800
550 650
750 900
600 750
Settling Time to 0.001%
ns
NOISE/DISTORTION
Harmonic Distortion + Noise
VS = 15ꢀ f = 1 kHzꢀ
VOUT = 10 V p-pꢀ RLOAD = 600 Ω
VS = 5ꢀ f = 1 kHzꢀ
74
74
dB
dB
101
101
VOUT = 10 V p-pꢀ RLOAD = 600 Ω
f = 0.1 Hz to 10 Hz
f = 1 kHz
Voltage Noise1
2
2
μV p-p
52
52
nV/√Hz
GAIN
Gain Error
Gain Drift
Gain Nonlinearity
VOUT = 10 V p-p
TA = −40°C to +85°C
VOUT = 10 V p-pꢀ
0.04
2
0.08
10
%
ppm/°C
ppm
0.5
200
1
200
RLOAD = 10 kΩꢀ 2 kΩꢀ 600 Ω
INPUT CHARACTERISTICS
Offset2
450 1000
450 1500
μV
Average Temperature Drift
Common-Mode Rejection Ratio
Power Supply Rejection Ratio
Input Voltage Range3
Common-Mode Resistance4
Bias Current
TA = −40°C to +85°C
DC to 1 kHz
3
86
2
3
86
2
μV/°C
dB
μV/V
V
kΩ
nA
74
70
10
10
+VS + 0.4
−VS − 0.4
+VS + 0.4 −VS − 0.4
500
7.5
7.5
Inputs grounded
500
OUTPUT CHARACTERISTICS
Output Swing
VS = 15
VS = 15ꢀ TA = −40°C to +85°C
−13.8
−13.7
−4
+13.8
+13.7
+4
−13.8
−13.7
−4
+13.8
+13.7
+4
V
V
V
VS =
5
VS = 5ꢀ TA = −40°C to +85°C
Sourcing
Sinking
−3.9
+3.9
−3.9
+3.9
V
mA
mA
Short-Circuit Current Limit
100
60
100
60
POWER SUPPLY
Supply Current
2.3
2.6
3.2
2.3
2.6
3.2
mA
mA
TA = −40°C to +85°C
1 Includes amplifier voltage and current noiseꢀ as well as noise of internal resistors.
2 Includes input bias and offset errors.
3 At voltages beyond the railsꢀ internal ESD diodes begin to turn on. In some configurationsꢀ the input voltage range may be limited by the internal op amp (see the
Input Voltage Range section for details).
4 Internal resistorsꢀ trimmed to be ratio matchedꢀ have 20% absolute accuracy. Common-mode resistance was calculated with both inputs in parallel. The common-
mode impedance at only one input is 2× the resistance listed.
Rev. 0 | Page 4 of 20
AD8271
VS = 5 to 15 V, VREF = 0 V, G = 2, RLOAD = 2 kΩ, TA = 25°C, specifications referred to input (RTI), unless otherwise noted.
Table 4.
B Grade
A Grade
Parameter
Conditions
Min
Typ Max
Min
Typ Max
Unit
DYNAMIC PERFORMANCE
Bandwidth
Slew Rate
10
30
10
30
MHz
V/μs
ns
ns
ns
Settling Time to 0.01%
VS = 15ꢀ 10 V step on output
VS = 5ꢀ 5 V step on output
VS = 15ꢀ 10 V step on output
VS = 5ꢀ 5 V step on output
700 800
550 650
750 900
600 750
700 800
550 650
750 900
600 750
Settling Time to 0.001%
ns
NOISE/DISTORTION
Harmonic Distortion + Noise
VS = 15ꢀ f = 1 kHzꢀ
VOUT = 10 V p-pꢀ RLOAD = 600 Ω
VS = 5ꢀ f = 1 kHzꢀ
86
86
dB
dB
112
112
VOUT = 10 V p-pꢀ RLOAD = 600 Ω
f = 0.1 Hz to 10 Hz
f = 1 kHz
Voltage Noise1
1
1
μV p-p
26
26
nV/√Hz
GAIN
Gain Error
Gain Drift
Gain Nonlinearity
VOUT = 10 V p-p
TA = −40°C to +85°C
VOUT = 10 V p-pꢀ
0.04
2
0.08
10
%
ppm/°C
ppm
0.5
50
1
50
RLOAD = 10 kΩꢀ 2 kΩꢀ 600 Ω
INPUT CHARACTERISTICS
Offset2
225 500
225 750
μV
Average Temperature Drift
Common-Mode Rejection Ratio
Power Supply Rejection Ratio
Input Voltage Range3
Common-Mode Resistance4
Bias Current
TA = −40°C to +85°C
DC to 1 kHz
1.5
98
2
1.5
98
2
μV/°C
dB
μV/V
V
kΩ
nA
84
78
10
10
+VS + 0.4
−VS − 0.4
+VS + 0.4 −VS − 0.4
500
7.5
7.5
Inputs grounded
500
OUTPUT CHARACTERISTICS
Output Swing
VS = 15
VS = 15ꢀ TA = −40°C to +85°C
−13.8
−13.7
−4
+13.8
+13.7
+4
−13.8
−13.7
−4
+13.8
+13.7
+4
V
V
V
VS =
5
VS = 5ꢀ TA = −40°C to +85°C
Sourcing
Sinking
−3.9
+3.9
−3.9
+3.9
V
mA
mA
Short-Circuit Current Limit
100
60
100
60
POWER SUPPLY
Supply Current
2.3
2.6
3.2
2.3
2.6
3.2
mA
mA
TA = −40°C to +85°C
1 Includes amplifier voltage and current noiseꢀ as well as noise of internal resistors.
2 Includes input bias and offset errors.
3 At voltages beyond the railsꢀ internal ESD diodes begin to turn on. In some configurationsꢀ the input voltage range may be limited by the internal op amp (see the
Input Voltage Range section for details).
4 Internal resistorsꢀ trimmed to be ratio matchedꢀ have 20% absolute accuracy. Common-mode resistance was calculated with both inputs in parallel. The common-
mode impedance at only one input is 2× the resistance listed.
Rev. 0 | Page 5 of 20
AD8271
ABSOLUTE MAXIMUM RATINGS
MAXIMUM POWER DISSIPATION
Table 5.
The maximum safe power dissipation for the AD8271 is limited
by the associated rise in junction temperature (TJ) on the die. At
approximately 150°C, which is the glass transition temperature,
the properties of the plastic change. Even temporarily exceeding
this temperature limit may change the stresses that the package
exerts on the die, permanently shifting the parametric perfor-
mance of the amplifiers. Exceeding a temperature of 150°C for
an extended period of time can cause changes in silicon devices,
potentially resulting in a loss of functionality.
Parameter
Rating
Supply Voltage
Output Short-Circuit Current
18 V
See derating curve in
Figure 2
+VS + 0.4 V to
−VS − 0.4 V
−65°C to +130°C
−40°C to +85°C
Input Voltage Range
Storage Temperature Range
Specified Temperature Range
Package Glass Transition Temperature (TG) 150°C
ESD
The AD8271 has built-in short-circuit protection that limits
the output current to approximately 100 mA (see Figure 22 for
more information). Although the short-circuit condition itself
does not damage the part, the heat generated by the condition
can cause the part to exceed its maximum junction temperature,
with corresponding negative effects on reliability.
1.6
Human Body Model
Charge Device Model
Machine Model
1 kV
1 kV
0.1 kV
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.
T
MAX = 150°C
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
J
THERMAL RESISTANCE
Table 6. Thermal Resistance
Package Type
θJA
θJC
Unit
10-Lead MSOP
141.9
43.7
°C/W
The θJA values in Table 6 assume a 4-layer JEDEC standard
board with zero airflow.
–50
–25
0
25
50
75
100
125
AMBIENT TEMPERATURE (C)
Figure 2. Maximum Power Dissipation vs. Ambient Temperature
ESD CAUTION
Rev. 0 | Page 6 of 20
AD8271
PIN CONFIGURATION AND FUNCTION DESCRIPTION
P1
P2
P3
P4
1
2
3
4
5
10 N3
9
8
7
6
N2
AD8271
TOP VIEW
(Not to Scale)
N1
OUT
–V
+V
S
S
Figure 3.
Table 7. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
2
3
P1
P2
P3
Noninverting Input. A 10 kΩ resistor is connected to the noninverting (+) terminal of the op amp.
Noninverting Input. A 10 kΩ resistor is connected to the noninverting (+) terminal of the op amp.
Noninverting Input. A 20 kΩ resistor is connected to the noninverting (+) terminal of the op amp. This pin
is used as a reference voltage input in many configurations.
4
P4
Noninverting Input. A 20 kΩ resistor is connected to the noninverting (+) terminal of the op amp. This pin
is used as a reference voltage input in many configurations.
5
6
7
8
9
10
−VS
+VS
OUT
N1
N2
N3
Negative Supply.
Positive Supply.
Output.
Inverting Input. A 10 kΩ resistor is connected to the inverting (−) terminal of the op amp.
Inverting Input. A 10 kΩ resistor is connected to the inverting (−) terminal of the op amp.
Inverting Input. A 10 kΩ resistor is connected to the inverting (−) terminal of the op amp.
Rev. 0 | Page 7 of 20
AD8271
TYPICAL PERFORMANCE CHARACTERISTICS
VS = 15 V, TA = 25°C, difference amplifier configuration, unless otherwise noted.
70
180
150
120
90
GAIN = 1
N = 989
MEAN = –29
SD = 43
60
50
40
30
+0.6µV/V/°C
20
10
0
60
–0.1µV/V/°C
–10
–20
–30
–40
30
REPRESENTATIVE SAMPLES
0
–200
–100
0
100
200
–50
–30
–10
10
30
50
70
90
110
130
CMMR (µV/V)
TEMPERATURE (°C)
Figure 4. Typical Distribution of CMRR, Gain = 1
Figure 7. CMRR vs. Temperature, Normalized at 25°C, Gain = 1
300
GAIN = 1
180
150
120
90
N = 989
MEAN = –306
SD = 229
200
2.2µV/°C
100
0
–100
60
2.8µV/°C
30
–200
REPRESENTATIVE SAMPLES
0
–300
–1000
–500
0
500
1000
–50
–30
–10
10
30
50
70
90
110
130
SYSTEM OFFSET VOLTAGE (µV)
TEMPERATURE (°C)
Figure 8. System Offset vs. Temperature, Normalized at 25°C,
Referred to Output, Gain = 1
Figure 5. Typical Distribution of System Offset, Gain = 1
200
240
GAIN = 1
N = 1006
MEAN = 0.003
SD = 0.005
150
100
50
1.7ppm/°C
210
180
150
120
90
0
–50
–100
–150
0.5ppm/°C
60
30
REPRESENTATIVE SAMPLES
0
–0.04
–0.02
0
0.02
0.04
–50
–30
–10
10
30
50
70
90
110
130
GAIN ERROR (%)
TEMPERATURE (°C)
Figure 6. Typical Distribution of Gain Error, Gain = 1
Figure 9. Gain Error vs. Temperature, Normalized at 25°C, Gain = 1
Rev. 0 | Page 8 of 20
AD8271
VS = 15 V, TA = 25°C, difference amplifier configuration, unless otherwise noted.
6
20
(0, +5)
(0, +15)
15
10
5
4
2
0
(–4.3, +2.85)
(+4.3, +2.85)
(–7.5, +7.5)
(+7.5, +7.5)
(0, +2.5)
(–1.6, +1.7)
(+1.6, +1.7)
= ±5
V
= ±2.5
V
S
S
0
–5
–10
–15
–20
(–1.6, –1.7)
(+1.6, –1.7)
–2
–4
–6
(0, –2.5)
(–7.5, –7.5)
(+7.5, –7.5)
(–4.3, –2.85)
(+4.3, –2.85)
(0, –15)
(0, –5)
0
–5
–4
–3
–2
–1
1
2
3
4
5
–10
–5
0
5
10
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
Figure 10. Common-Mode Input Voltage vs. Output Voltage,
Gain = ½, 15 V Supplies
Figure 13. Common-Mode Input Voltage vs. Output Voltage,
Gain = 1, 5 V and 2.5 V Supplies
6
20
(0, +5)
(0, +15)
15
4
(–14.3, +11.4)
(+14.3, +11.4)
(–2.5, +2.5)
(+2.5, +2.5)
(0, +2.5)
10
5
2
0
(–1.25, –1.25)
(+1.25, +1.25)
= ±5
V
= ±2.5
V
S
S
0
–5
–10
–15
–20
(–1.25, –1.25)
(+1.25, –1.25)
–2
–4
–6
(0, –2.5)
(–2.5, –2.5)
(+2.5, –2.5)
(–14.3, –11.4)
(+14.3, –11.4)
(0, –15)
0
(0, –5)
0
–3
–2
–1
1
2
3
–20
–15
–10
–5
5
10
15
20
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
Figure 11. Common-Mode Input Voltage vs. Output Voltage,
Gain = ½, 5 V and 2.5 V Supplies
Figure 14. Common-Mode Input Voltage vs. Output Voltage,
Gain = 2, 15 V Supplies
20
6
(0, +5)
(0, +15)
(–4, +4)
(+4, +4)
15
4
2
0
(–14.3, +7.85)
(+14.3, +7.85)
(0, +2.5)
10
5
(–1.6, +2.1)
(+1.6, +2.1)
V
= ±2.5
V = ±5
S
S
0
–5
–10
–15
–20
–2
–4
–6
(–1.6, –2.1)
(+1.6, –2.1)
(0, –2.5)
(–14.3, –7.85)
(+14.3, –7.85)
(–4, –4)
–4
(+4, –4)
(0, –15)
0
(0, –5)
0
–20
–15
–10
–5
5
10
15
20
–5
–3
–2
–1
1
2
3
4
5
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
Figure 12. Common-Mode Input Voltage vs. Output Voltage,
Gain =1, 15 V Supplies
Figure 15. Common-Mode Input Voltage vs. Output Voltage,
Gain = 2, 5 V and 2.5 V Supplies
Rev. 0 | Page 9 of 20
AD8271
VS = 15 V, TA = 25°C, difference amplifier configuration, unless otherwise noted.
10
140
120
100
80
GAIN = 2, ½
GAIN = 1
GAIN = 2
5
GAIN = 1
GAIN = ½
0
–5
60
40
20
–10
–15
–20
0
10
100
1k
10k
100k
1M
10M
100M
100
1k
10k
100k
1M
FREQUENCY (Hz)
FREQUENCY (Hz)
Figure 19. Positive PSRR vs. Frequency
Figure 16. Gain vs. Frequency
100
90
80
70
60
50
40
30
20
10
0
140
120
100
80
GAIN = 2, ½
GAIN = 2, ½
GAIN = 1
GAIN = 1
60
40
20
0
10
100
1k
10k
100k
1M
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FREQUENCY (Hz)
Figure 17. CMRR vs. Frequency
Figure 20. Negative PSRR vs. Frequency
32
4
3
10V p-p INPUT
GAIN = 1
= 10kΩ, 2kΩ, 600Ω
V
= ±15V
S
28
24
20
16
R
LOAD
2
1
0
–1
–2
–3
–4
12
8
V
= ±5V
S
4
0
100
1k
10k
100k
1M
10M
–10
–8
–6
–4
–2
0
2
4
6
8
10
FREQUENCY (Hz)
TEMPERATURE (°C)
Figure 21. Gain Nonlinearity, Gain = 1
Figure 18. Output Voltage Swing vs. Large-Signal Frequency Response
Rev. 0 | Page 10 of 20
AD8271
VS = 15 V, TA = 25°C, difference amplifier configuration, unless otherwise noted.
120
V
= ±15V
0pF
S
100
I
SHORT+
80
60
100pF
18pF
40
20
0
–20
–40
–60
–80
–100
I
SHORT–
1µs/DIV
–50
–30
–10
10
30
50
70
90
110
130
TEMPERATURE (°C)
Figure 22. Short-Circuit Current vs. Temperature
Figure 25. Small-Signal Step Response, Gain = ½
+V
S
+125°C
V
S
= ±15V
0pF
+V – 2
220pF
S
+85°C
33pF
–40°C
+25°C
+V – 4
S
0
+125°C
+85°C
+25°C
–V + 4
S
–V + 2
S
–40°C
–V
S
200
1µs/DIV
1k
10k
R
(Ω)
LOAD
Figure 23. Output Voltage Swing vs. RLOAD
Figure 26. Small-Signal Step Response, Gain = 1
+V
S
–40°C
+25°C
V
= ±15V
S
+V – 3
S
470pF
100pF
0pF
+V – 6
S
+125°C
+85°C
0
+125°C
+85°C
+25°C
–V + 6
S
–V + 3
S
–40°C
–V
S
1µs/DIV
0
20
40
60
80
100
CURRENT (mA)
Figure 27. Small-Signal Step Response, Gain = 2
Figure 24. Output Voltage Swing vs. Current (IOUT
)
Rev. 0 | Page 11 of 20
AD8271
VS = 15 V, TA = 25°C, difference amplifier configuration, unless otherwise noted.
160
GAIN = ½
140
V
= ±10V
S
V
= ±5V
S
120
100
80
V
= ±2.5V
S
60
40
20
0
V
= ±18V
S
V
= ±15V
50
S
1µs/DIV
0
10
20
30
40
60
70
80
90
100
CAPACITIVE LOAD (pF)
Figure 28. Small-Signal Overshoot vs. Capacitive Load, Gain = ½
Figure 31. Large-Signal Pulse Response, Gain = ½
80
70
GAIN = 1
60
50
40
V
= ±10V
S
V
= ±5V
S
V
= ±2.5V
S
30
20
10
0
V
= ±18V
S
V
= ±15V
S
1µs/DIV
0
50
100
150
200
CAPACITIVE LOAD (pF)
Figure 29. Small-Signal Overshoot vs. Capacitive Load, Gain = 1
Figure 32. Large-Signal Pulse Response, Gain = 1
80
GAIN = 2
70
60
50
V
= ±10V
S
40
30
20
10
0
V
= ±5V
S
V
= ±2.5V
S
V
= ±18V
350
S
V
= ±15V
S
1µs/DIV
0
50
100
150
200
250 300
400
450
CAPACITIVE LOAD (pF)
Figure 30. Small-Signal Overshoot vs. Capacitive Load, Gain = 2
Figure 33. Large-Signal Pulse Response, Gain = 2
Rev. 0 | Page 12 of 20
AD8271
VS = 15 V, TA = 25°C, difference amplifier configuration, unless otherwise noted.
0.1
45
R
R
R
= 100kΩ
= 2kΩ
= 600Ω
LOAD
LOAD
LOAD
40
GAIN = ½
GAIN = 2
35
+SR
30
25
20
15
10
5
0.01
0.001
–SR
GAIN = 1
0
0.0001
10
100
1k
FREQUENCY (Hz)
10k
100k
TEMPERATURE (°C)
Figure 34. Output Slew Rate vs. Temperature
Figure 37. THD + N vs. Frequency
1
0.1
1k
GAIN = 1
f = 1kHz
R
R
R
= 600Ω
= 2kΩ
= 100kΩ
LOAD
LOAD
LOAD
GAIN = 2
0.01
100
GAIN = 1
0.001
0.0001
GAIN = ½
10
0
5
10
15
20
25
1
10
100
1k
10k
100k
OUTPUT AMPLITUDE (dBu)
FREQUENCY (Hz)
Figure 35. Voltage Noise Spectral Density vs. Frequency, Referred to Output
Figure 38. THD + N vs. Output Amplitude, Gain = 1
0.1
HD2, R
HD2, R
HD2, R
HD3, R
HD3, R
HD3, R
= 100kΩ
= 2kΩ
= 600Ω
= 100kΩ
= 2kΩ
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
GAIN = 2
GAIN = 1
GAIN = 1
= 10V p-p
V
OUT
0.01
0.001
= 600Ω
GAIN = ½
0.0001
1µV/DIV
1s/DIV
0.00001
10
100
1k
FREQUENCY (Hz)
10k
100k
Figure 39. Harmonic Distortion Products vs. Frequency, Gain = 1
Figure 36. 0.1 Hz to 10 Hz Voltage Noise, Referred to Output
Rev. 0 | Page 13 of 20
AD8271
OPERATIONAL AMPLIFIER PLOTS
VS = 15 V, TA = 25°C, unless otherwise noted.
10
1
0.1
0
1
2
3
4
5
6
7
8
9
10
1
10
100
1k
10k
100k
TIME (sec)
FREQUENCY (Hz)
Figure 40. Change in Op Amp Offset Voltage vs. Warm-Up Time
Figure 42. Current Noise Spectral Density vs. Frequency
50pA/DIV
1s/DIV
Figure 41. 0.1 Hz to 10 Hz Current Noise
Rev. 0 | Page 14 of 20
AD8271
THEORY OF OPERATION
10kΩ
10kΩ
10kΩ
20kΩ
20kΩ
of the AD8271 depend on the matching of its resistors. Even
source resistance of a few ohms can have a substantial effect on
these specifications.
1
2
3
4
5
10
9
P1
P2
P3
P4
N3
10kΩ
10kΩ
N2
POWER SUPPLIES
8
N1
A stable dc voltage should be used to power the AD8271. Noise
on the supply pins can adversely affect performance. A bypass
capacitor of 0.1 μF should be placed between each supply pin
and ground, as close as possible to each supply pin. A tantalum
capacitor of 10 μF should also be used between each supply and
ground. It can be farther away from the supply pins and, typically,
it can be shared by other precision integrated circuits.
7
OUT
6
–V
+V
S
S
AD8271
Figure 43. Functional Block Diagram
CIRCUIT INFORMATION
The AD8271 consists of a high precision, low distortion op amp
and seven trimmed resistors. These resistors can be connected
to create a wide variety of amplifier configurations, including
difference, noninverting, and inverting configurations. The
resistors on the chip can be connected in parallel for a wider range
of options. Using the on-chip resistors of the AD8271 provides
the designer with several advantages over a discrete design.
The AD8271 is specified at 15 V and 5 V, but it can be used with
unbalanced supplies, as well. For example, −VS = 0 V, +VS = 20 V.
The difference between the two supplies must be kept below 36 V.
INPUT VOLTAGE RANGE
The AD8271 has a true rail-to-rail input range for the majority
of applications. Because most AD8271 configurations divide down
the voltage before they reach the internal op amp, the op amp sees
only a fraction of the input voltage. Figure 44 shows an example
of how the voltage division works in the difference amplifier
configuration.
DC Performance
Much of the dc performance of op amp circuits depends on the
accuracy of the surrounding resistors. The resistors on the AD8271
are laid out to be tightly matched. The resistors of each part are
laser trimmed and tested for their matching accuracy. Because
of this trimming and testing, the AD8271 can guarantee high
accuracy for specifications, such as gain drift, common-mode
rejection, and gain error.
R2
R1 + R2
(V
)
+IN
R4
R3
R1
AC Performance
R2
Because feature size is much smaller in an integrated circuit than
on a printed circuit board (PCB), the corresponding parasitics are
also smaller. The smaller feature size helps the ac performance of
the AD8271. For example, the positive and negative input terminals
of the AD8271 op amp are not pinned out intentionally. By not
connecting these nodes to the traces on the PCB, the capacitance
remains low, resulting in both improved loop stability and
common-mode rejection over frequency.
R2
R1 + R2
(V
)
+IN
Figure 44. Voltage Division in the Difference Amplifier Configuration
The internal op amp voltage range may be relevant in the
following applications, and calculating the voltage at the
internal op amp is advised.
•
•
•
Difference amplifier configurations using supply voltages
of less than 4.5 V
Difference amplifier configurations with a reference
voltage near the rail
Production Costs
Because one part, rather than several discrete components, is
placed on the PCB, the board can be built more quickly and
efficiently.
Single-ended amplifier configurations
Size
For correct operation, the input voltages at the internal op amp
must stay within 1.5 V of either supply rail.
The AD8271 fits an op amp and seven resistors in one MSOP
package.
Voltages beyond the supply rails should not be applied to the
part. The part contains ESD diodes at the input pins, which
conduct if voltages beyond the rails are applied. Currents greater
than 5 mA may damage these diodes and the part. For a similar
part that can operate with voltages beyond the rails, see the
AD8274 data sheet.
DRIVING THE AD8271
The AD8271 is easy to drive, with all configurations presenting
at least several kilohms (kΩ) of input resistance. The AD8271
should be driven with a low impedance source: for example,
another amplifier. The gain accuracy and common-mode rejection
Rev. 0 | Page 15 of 20
AD8271
APPLICATIONS INFORMATION
The resistors and connections provided on the AD8271 offer
abundant versatility through the variety of configurations that
are possible.
The AD8271 can also be referred to a combination of reference
voltages. For example, the reference can be set at 2.5 V, using
just 5 V and GND. Some of the possible configurations are
shown in Figure 48 through Figure 50. Note that the output
is not internally tied to a feedback path, so any of the 10 kꢀ
resistors on the inverting input can be used in the feedback
network. This flexibility allows for more efficient board lay-
out options.
DIFFERENCE AMPLIFIER CONFIGURATIONS
The AD8271 can be placed in difference amplifier configurations
with gains of ½, 1, and 2. Figure 45 through Figure 47 show
sample difference amplifier configurations referenced to ground.
P1
P2
P3
P4
N3
10kΩ
10kΩ
10kΩ
10kΩ
10kΩ
20kΩ
20kΩ
P1
P2
P3
P4
N3
10kΩ
10kΩ
10kΩ
10kΩ
10kΩ
20kΩ
20kΩ
1
2
3
4
10
+IN
–IN
1
2
3
4
10
+IN
–IN
5kΩ
5kΩ
N2
N2
9
10kΩ
10kΩ
10kΩ
10kΩ
9
–V
S
–IN
+IN
–IN
+IN
N1
=
=
N1
8
8
OUT
OUT
5kΩ
+V + –V
+V
S
5kΩ
GND
OUT
7
7
S
S
GND
OUT
2
AD8271
AD8271
Figure 48. Gain = ½ Difference Amplifier, Referenced to Midsupply
Figure 45. Gain = ½ Difference Amplifier, Referenced to Ground
P1
P2
P3
P4
N3
10kΩ
10kΩ
10kΩ
10kΩ
10kΩ
20kΩ
20kΩ
P1
P2
P3
P4
N3
10kΩ
10kΩ
10kΩ
10kΩ
10kΩ
20kΩ
20kΩ
1
2
3
4
10
9
+IN
–IN
NC
1
2
3
4
10
9
+IN
NC
–IN
NC
10kΩ
10kΩ
N2
N2
10kΩ
10kΩ
NC
10kΩ
10kΩ
–IN
+IN
–IN
+IN
=
N1
N1
=
8
–V
S
8
GND
OUT
10kΩ
GND
OUT
OUT
10kΩ
+V + –V
OUT
7
+V
S
7
S
S
AD8271
Figure 46. Gain = 1 Difference Amplifier, Referenced to Ground
2
AD8271
Figure 49. Gain = 1 Difference Amplifier, Referenced to Midsupply
P1
P2
P3
P4
N3
10kΩ
10kΩ
10kΩ
10kΩ
10kΩ
20kΩ
20kΩ
P1
P2
P3
P4
N3
10kΩ
10kΩ
10kΩ
1
2
3
4
10
9
10kΩ
10kΩ
20kΩ
20kΩ
1
2
3
4
10
9
10kΩ
+IN
–IN
10kΩ
N2
+IN
+IN
N2
5kΩ
5kΩ
5kΩ
5kΩ
–IN
+IN
–IN
+IN
N1
=
N1
8
=
8
–V
+V
S
GND
OUT
OUT
OUT
10kΩ
GND
OUT
7
10kΩ
+V + –V
7
S
OUT
S
S
AD8271
2
AD8271
Figure 47. Gain = 2 Difference Amplifier, Referenced to Ground
Figure 50. Gain = 2 Difference Amplifier, Referenced to Midsupply
Table 8. Pin Connections for Difference Amplifier Configurations
Configuration
Pin 1
(P1)
Pin 2
(P2)
Pin 3
(P3)
Pin 4
(P4)
Pin 8
(N1)
Pin 9
(N2)
Pin 10
(N3)
Gain and Reference
OUT
OUT
NC
Gain of ½ꢀ Referenced to Ground
Gain of ½ꢀ Referenced to Midsupply
Gain of 1ꢀ Referenced to Ground
Gain of 1ꢀ Referenced to Midsupply
Gain of 2ꢀ Referenced to Ground
Gain of 2ꢀ Referenced to Midsupply
+IN
+IN
+IN
+IN
+IN
+IN
GND
−VS
NC
GND
+VS
GND
+VS
OUT
OUT
OUT
OUT
OUT
OUT
−IN
−IN
−IN
−IN
−IN
−IN
GND
−VS
GND
+VS
NC
NC
−IN
−IN
+IN
+IN
GND
−VS
GND
+VS
Rev. 0 | Page 16 of 20
AD8271
SINGLE-ENDED CONFIGURATIONS
The AD8271 can be configured for a wide variety of single-ended configurations with gains ranging from −2 to +3 (see Table 9).
Table 9. Selected Single-Ended Configurations
Electrical Performance
Configuration
Signal Gain
−2
Op Amp Closed-Loop Gain
Input Resistance
5 kΩ
Pin 101
IN
Pin 91
IN
Pin 81
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
Pin 12
GND
GND
GND
GND
GND
IN
Pin 22
GND
GND
GND
NC
Pin 33
GND
GND
NC
Pin 43
GND
IN
3
−1.5
3
4.8 kΩ
IN
IN
−1.4
3
5 kΩ
IN
IN
IN
−1.25
−1
3
5.333 kΩ
5 kΩ
IN
IN
GND
IN
IN
3
IN
IN
GND
GND
GND
GND
NC
IN
−0.8
3
5.556 kΩ
8 kΩ
IN
IN
NC
GND
IN
−0.667
−0.6
2
IN
NC
GND
GND
GND
GND
GND
GND
GND
IN
GND
NC
2
8.333 kΩ
8.889 kΩ
7.5 kΩ
IN
NC
IN
−0.5
2
IN
NC
GND
IN
IN
−0.333
−0.25
−0.2
2
IN
NC
GND
GND
GND
NC
IN
1.5
1.5
1.5
1.5
2
8 kΩ
OUT
OUT
OUT
OUT
IN
IN
GND
NC
IN
8.333 kΩ
8.889 kΩ
8.333 kΩ
10 kΩ
IN
IN
−0.125
+0.1
IN
GND
NC
IN
IN
GND
IN
GND
IN
+0.2
NC
GND
GND
GND
GND
GND
GND
GND
GND
GND
IN
NC
+0.25
+0.3
1.5
1.5
2
24 kΩ
OUT
OUT
GND
OUT
GND
GND
OUT
GND
OUT
OUT
GND
OUT
GND
OUT
GND
OUT
OUT
OUT
IN
GND
GND
NC
GND
GND
GND
NC
GND
NC
IN
25 kΩ
IN
+0.333
+0.375
+0.4
24 kΩ
GND
GND
NC
IN
1.5
2
26.67 kΩ
25 kΩ
GND
NC
IN
GND
GND
GND
GND
GND
IN
IN
+0.5
3
24 kΩ
GND
GND
GND
GND
IN
GND
IN
IN
+0.5
1.5
3
15 kΩ
IN
+0.6
25 kΩ
NC
IN
+0.6
1.5
1.5
2
16.67 kΩ
16 kΩ
NC
GND
GND
IN
+0.625
+0.667
+0.7
NC
IN
15 kΩ
NC
GND
IN
GND
IN
IN
1.5
3
16.67 kΩ
26.67 kΩ
13.33 kΩ
16.67 kΩ
16.67 kΩ
15 kΩ
IN
NC
GND
IN
+0.75
+0.75
+0.8
GND
GND
NC
GND
GND
IN
NC
GND
GND
NC
1.5
2
IN
IN
GND
IN
GND
IN
+0.9
1.5
1.5
1.5
3
GND
GND
IN
GND
IN
NC
+1
IN
GND
IN
GND
IN
+1
>1 GΩ
IN
IN
+1
>1 GΩ
IN
IN
IN
IN
IN
+1.125
+1.2
1.5
3
26.67 kΩ
16.67 kΩ
25 kΩ
OUT
GND
OUT
OUT
GND
GND
OUT
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
NC
NC
IN
IN
GND
GND
GND
GND
GND
IN
IN
GND
IN
NC
+1.2
1.5
1.5
2
IN
NC
+1.25
+1.333
+1.5
24 kΩ
IN
IN
IN
15 kΩ
IN
IN
GND
GND
IN
3
13.33 kΩ
>1 GΩ
GND
GND
NC
GND
IN
IN
+1.5
1.5
2
IN
IN
+1.6
25 kΩ
IN
IN
NC
GND
GND
IN
+1.667
+1.8
2
24 kΩ
NC
IN
IN
IN
3
16.67 kΩ
>1 GΩ
GND
NC
GND
IN
IN
NC
+2
2
IN
IN
IN
+2.25
+2.4
3
26.67 kΩ
25 kΩ
GND
GND
GND
GND
NC
IN
IN
GND
GND
GND
IN
3
IN
IN
NC
+2.5
3
24 kΩ
IN
IN
IN
+3
3
>1 GΩ
IN
IN
IN
1 A 10 kΩ resistor is connected to the inverting (−) terminal of the op amp.
2 A 10 kΩ resistor is connected to the noninverting (+) terminal of the op amp.
3 A 20 kΩ resistor is connected to the noninverting (+) terminal of the op amp.
Rev. 0 | Page 17 of 20
AD8271
SENSE
FORCE
10kΩ
R
R
w
Many signal gains have more than one configuration choice, which
allows freedom in choosing the op amp closed-loop gain. In
general, for designs that need to be stable with a large capacitive
load on the output, choose a configuration with high loop gain.
Otherwise, choose a configuration with low loop gain, because
these configurations typically have lower noise, lower offset,
and higher bandwidth.
10kΩ
10kΩ
–IN
+IN
w
R
1kΩ
L
10kΩ
Figure 52. Connecting Both the Output and Feedback at the Load Minimizes
Error Due to Wire Resistance
The AD8271 Specifications section and Typical Performance
Characteristics section show the performance of the part primarily
when it is in the difference amplifier configuration. To estimate
the performance of the part in a single-ended configuration, refer
to the difference amplifier configuration with the corresponding
closed-loop gain (see Table 10).
INSTRUMENTATION AMPLIFIER
The AD8271 can be used as a building block for high performance
instrumentation amplifiers. For example, Figure 53 shows how
to build an ultralow noise instrumentation amplifier using the
AD8599 dual op amp. External resistors RG and RFx provide gain;
therefore, the output is
Table 10. Closed-Loop Gain of the Difference Amplifiers
Difference Amplifier Gain
Closed-Loop Gain
⎛
⎞
⎟
⎟
⎠
2RFx
RG
⎜
VOUT
=
(
V+IN −V−IN
)
1+
(
GAD8271
)
0.5
1
1.5
2
⎜
⎝
AD8599
A2
2
3
–IN
10kΩ
Gain of 1 Configuration
R
F1
10kΩ
10kΩ
2kΩ
The AD8271 is designed to be stable for loop gains of 1.5 and
greater. Because a typical voltage follower configuration has
a loop gain of 1, it may be unstable. Several stable configurations
for gain of 1 are listed in Table 9.
R
20Ω
G
OUT
R
AD8271
F2
10kΩ
REF
2kΩ
KELVIN MEASUREMENT
+IN
AD8599
A2
V
= ±15V
S
In the case where the output load is located remotely or at
a distance from the AD8271, as shown in Figure 51, wire
resistance can actually cause significant errors at the load.
10kΩ
Figure 53.Ultralow Noise Instrumentation Amplifier Using AD8599
Configured for Gain = 201
For optimal noise performance, it is desirable to have a high
gain at the input stage using low value gain-setting resistors, as
shown in this particular example. With less than 2 nV/√Hz
input-referred noise (see Figure 54) at ~10 mA supply current,
the AD8271 and AD8599 combination offers an in-amp with a
fine balance of critical specifications: a gain bandwidth product
of 10 MHz, low bias current, low offset drift, high CMRR, and
high slew rate.
R
W
10kΩ
10kΩ
(WIRE RESISTANCE)
–IN
+IN
R
1kΩ
L
10kΩ
Figure 51. Wire Resistance Causes Errors at Load Voltage
10.0
Since the output of the AD8271 is not internally tied to any of
the feedback resistors, Kelvin type measurements are possible
because the op amp output and feedback can both be connected
closer to the load (Figure 52). The Kelvin sensing on the feedback
minimizes error at the load caused by voltage drops across the
wire resistance. This technique is most effective in reducing errors
for loads less than 10 kꢀ. As the load resistance increases, the
error due to the wire resistance becomes less significant.
9.0
8.0
7.0
6.0
5.0
4.0
G = 201
BANDWIDTH
LIMIT
3.0
2.0
1.0
0
Because it adds the sense wire resistance to the feedback resistor, a
trade-off of the Kelvin connection is that it can degrade common-
mode rejection, especially over temperature. For sense wire
resistance less than 1 ꢀ, it is typically not an issue. If common-
mode performance is critical, two amplifier stages can be used:
the first stage removes common-mode interference, and the
second stage performs the Kelvin drive.
1
10
100
1k
10k
100k
FREQUENCY (Hz)
Figure 54. Ultralow Noise In-Amp Voltage Noise Spectral Density vs.
Frequency, Referred to Input
Rev. 0 | Page 18 of 20
AD8271
DRIVING CABLING
DRIVING AN ADC
Because the AD8271 can drive large voltages at high output
currents and slew rates, it makes an excellent cable driver. It is
good practice to put a small value resistor between the AD8271
output and cable, since capacitance in the cable can cause peaking
or instability in the output response. A resistance of 20 ꢀ or higher
is recommended.
The AD271 high slew rate and drive capability, combined with
its dc accuracy, make it a good ADC driver. The AD8271 can
drive single-ended input ADCs. Many converters require the
output to be buffered with a small value resistor combined with
a high quality ceramic capacitor. See the relevant converter data
sheet for more details.
AD8271
(SINGLE OUT)
Figure 55. Driving Cabling
Rev. 0 | Page 19 of 20
AD8271
OUTLINE DIMENSIONS
3.10
3.00
2.90
6
10
5.15
4.90
4.65
3.10
3.00
2.90
1
5
PIN 1
0.50 BSC
0.95
0.85
0.75
1.10 MAX
0.80
0.60
0.40
8°
0°
0.15
0.05
0.33
0.17
SEATING
PLANE
0.23
0.08
COPLANARITY
0.10
COMPLIANT TO JEDEC STANDARDS MO-187-BA
Figure 56. 10-Lead Mini Small Outline Package [MSOP]
(RM-10)
Dimensions are shown in millimeters
ORDERING GUIDE
Model
Temperature Range
Package Description
Package Option
RM-10
RM-10
RM-10
RM-10
Branding
Y1E
Y1E
Y1E
Y1G
AD8271ARMZ1
AD8271ARMZ-R71
AD8271ARMZ-RL1
AD8271BRMZ1
AD8271BRMZ-R71
AD8271BRMZ-RL1
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
10-Lead MSOP
10-Lead MSO ꢀ 7”Tape and Reel
10-Lead MSO ꢀ 13”Tape and Reel
10-Lead MSOP
10-Lead MSO ꢀ 7”Tape and Reel
10-Lead MSO ꢀ 13”Tape and Reel
RM-10
RM-10
Y1G
Y1G
1 Z = RoHS Compliant Part.
©2009 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
D07363-0-1/09(0)
Rev. 0 | Page 20 of 20
相关型号:
AD8271BRMZ
INSTRUMENTATION AMPLIFIER, 1000 uV OFFSET-MAX, PDSO10, ROHS COMPLIANT, MO-187BA, MSOP-10
ROCHESTER
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