CAT5111VI-50-G [ONSEMI]
100-Tap Digitally Programmable Potentiometer with Buffered Wiper; 100抽头数字可编程电位器，具有缓冲刷
| 型号： | CAT5111VI-50-G |
| 厂家： | 
ONSEMI |
| 描述： | 100-Tap Digitally Programmable Potentiometer with Buffered Wiper |
| 文件： | 总13页 (文件大小：215K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
CAT5111
100-Tap Digitally Programmable Potentiometer (DPP™)
with Buffered Wiper
FEATURES
DESCRIPTION
The CAT5111 is a single digitally programmable
potentiometer (DPP™) designed as a electronic
replacement for mechanical potentiometers. Ideal for
automated adjustments on high volume production
lines, they are also well suited for applications where
equipment requiring periodic adjustment is either
difficult to access or located in a hazardous or remote
environment.
100-position linear taper potentiometer
Non-volatile EEPROM wiper storage;
buffered wiper
Low power CMOS technology
Single supply operation: 2.5V - 6.0V
Increment up/down serial interface
Resistance values: 10kΩ, 50kΩ and 100kΩ
The CAT5111 contains a 100-tap series resistor array
connected between two terminals RH and RL. An
up/down counter and decoder that are controlled by
three input pins, determines which tap is connected to
the wiper, RWB. The CAT5111 wiper is buffered by an
op amp that operates rail to rail. The wiper setting,
stored in non-volatile memory, is not lost when the
device is powered down and is automatically recalled
when power is returned. The wiper can be adjusted to
test new system values without effecting the stored
Available in PDIP, SOIC, TSSOP and MSOP
packages
APPLICATIONS
Automated product calibration
Remote control adjustments
Offset, gain and zero control
Tamper-proof calibrations
setting.
Wiper-control
of
the
CAT5111
¯¯
is
¯
Contrast, brightness and volume controls
Motor controls and feedback systems
Programmable analog functions
accomplished with three input control pins, CS, U/D,
¯¯¯
¯¯¯
and INC. The INC input increments the wiper in the
direction which is determined by the logic state of the
¯
¯¯
U/D input. The CS input is used to select the device
and also store the wiper position prior to power down.
The digitally programmable potentiometer can be
used as a buffered voltage divider. For applications
where the potentiometer is used as a 2-terminal
variable resistor, please refer to the CAT5113. The
buffered wiper of the CAT5111 is not compatible with
that application.
For Ordering Information details, see page 12.
FUNCTIONAL DIAGRAM
R
H
V
CC
R
H
U/D
Control
and
Memory
+
–
+
–
INC
CS
R
R
R
R
WB
L
WB
Power On Recall
L
GND
Electronic Potentiometer Implementation
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
1
Doc. No. MD-2008 Rev. R
CAT5111
PIN CONFIGURATION
PIN DESCRIPTIONS
PDIP 8-Lead (L)
SOIC 8 Lead (V)
MSOP 8 Lead (Z)
Name Function
¯¯¯
INC
Increment Control
Up/Down Control
TSSOP 8 Lead (Y)
¯
U/D
¯¯¯
¯¯
CS
1
8 VCC
¯¯
1
8 RL
INC
RH Potentiometer High Terminal
GND Ground
32 CAT 7 RWB
¯
U/D
VCC
2 CAT 7
CS
¯¯¯
INC
6 GND
RH
3
6 RL
RWB Buffered Wiper Terminal
RL Potentiometer Low Terminal
GND 4
5 RWB
¯
U/D
4
5 RH
¯¯
CS
Chip Select
VCC Supply Voltage
PIN DESCRIPTION
¯¯¯
¯
¯¯¯
high state, activity on the INC and U/D inputs will not
affect or change the position of the wiper.
INC: Increment Control Input
¯¯¯
The INC input (on the falling edge) moves the wiper in
the up or down direction determined by the condition
of the U/D input.
DEVICE OPERATION
¯
The CAT5111 operates like a digitally controlled
potentiometer with RH and RL equivalent to the high
and low terminals and RWB equivalent to the mecha–
nical potentiometer's wiper. There are 100 available
tap positions including the resistor end points, RH and
RL. There are 99 resistor elements connected in
series between the RH and RL terminals. The wiper
terminal is connected to one of the 100 taps and
¯
U/D: Up/Down Control Input
¯
The U/D input controls the direction of the wiper
¯¯
movement. When in a high state and CS is low, any
¯¯¯
high-to-low transition on INC will cause the wiper to
move one increment toward the RH terminal. When in
a low state and CS is low, any high-to-low transition
¯¯
¯¯¯
on INC will cause the wiper to move one increment
towards the RL terminal.
¯¯¯
¯
¯¯
controlled by three inputs, INC, U/D and CS. These
inputs control a seven-bit up/down counter whose
output is decoded to select the wiper position. The
selected wiper position can be stored in nonvolatile
RH: High End Potentiometer Terminal
RH is the high end terminal of the potentiometer. It is
not required that this terminal be connected to a
potential greater than the RL terminal. Voltage applied
to the RH terminal cannot exceed the supply voltage,
VCC or go below ground, GND.
¯¯
memory using the INC and CS inputs.
¯¯
With CS set LOW the CAT5111 is selected and will
¯
¯¯¯
respond to the U/D and INC inputs. HIGH to LOW
¯¯¯
transitions on INC wil increment or decrement the
¯
wiper (depending on the state of the U/D input and
R
WB: Wiper Potentiometer Terminal (Buffered)
seven-bit counter). The wiper, when at either fixed
terminal, acts like its mechanical equivalent and does
not move beyond the last position. The value of the
RWB is the buffered wiper terminal of the poten–
tiometer. Its position on the resistor array is controlled
¯¯¯
¯
¯¯
by the control inputs, INC, U/D and CS.
¯¯
counter is stored in nonvolatile memory whenever CS
¯¯¯
transitions HIGH while the INC input is also HIGH.
RL: Low End Potentiometer Terminal
When the CAT5111 is powered-down, the last stored
wiper counter position is maintained in the nonvolatile
memory. When power is restored, the contents of the
memory are recalled and the counter is set to the
value stored.
RL is the low end terminal of the potentiometer. It is
not required that this terminal be connected to a
potential less than the RH terminal. Voltage applied to
the RL terminal cannot exceed the supply voltage,
VCC or go below ground, GND. RL and RH are electri-
cally interchangeable.
¯¯¯
With INC set low, the CAT5111 may be de-selected
and powered down without storing the current wiper
position in nonvolatile memory. This allows the system
to always power up to a preset value stored in non-
volatile memory.
¯¯
CS: Chip Select
The chip select input is used to activate the control
input of the CAT5111 and is active low. When in a
Doc. No. MD-2008 Rev. R
2
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
CAT5111
OPERATION MODES
R
H
Operation
¯¯¯
INC
¯¯
CS
¯
U/D
C
C
H
High to Low
High to Low
High
Low
Low
High
Low
X
Wiper toward RH
Wiper toward RL
R
WI
R
WB
Low to High
Low to High
High
Store Wiper Position
No Store, Return to Standby
Standby
C
W
Low
X
X
X
L
Potentiometer
Equivalent Circuit
R
L
ABSOLUTE MAXIMUM RATINGS(1)
Parameters
Supply Voltage
VCC to GND
Inputs
Ratings
Units
Parameters
Ratings
Units
Operating Ambient Temperature
Commercial (‘C’ or Blank suffix)
Industrial (‘I’ suffix)
-0.5 to +7V
V
0 to 70
ºC
ºC
ºC
ºC
ºC
-40 to +85
+150
¯¯
-0.5 to VCC +0.5
-0.5 to VCC +0.5
-0.5 to VCC +0.5
-0.5 to VCC +0.5
-0.5 to VCC +0.5
-0.5 to VCC +0.5
V
V
V
V
V
V
Junction Temperature
CS to GND
¯¯¯
INC to GND
Storage Temperature
-65 to 150
+300
¯
Lead Soldering (10s max)
U/D to GND
RH to GND
RL to GND
RWB to GND
RELIABILITY CHARACTERISTICS
Symbol Parameter
Test Method
Min
2000
Typ
Max
Units
V
(2)
VZAP
ESD Susceptibility MIL-STD-883, Test Method 3015
(2) (3)
ILTH
TDR
NEND
Latch-Up
JEDEC Standard 17
100
mA
Data Retention
Endurance
MIL-STD-883, Test Method 1008
MIL-STD-883, Test Method 1003
100
Years
Stores
1,000,000
DC ELECTRICAL CHARACTERISTICS
VCC = +2.5V to +6V unless otherwise specified
Power Supply
Symbol Parameter
VCC Operating Voltage Range
Conditions
Min
2.5
–
Typ
–
Max
6
Units
V
VCC = 6V, f = 1MHz, IW = 0
CC = 6V, f = 250kHz, IW = 0
Programming, VCC = 6V
CC = 3V
¯¯
–
200
100
1000
500
µA
µA
µA
µA
ICC1
Supply Current (Increment)
V
–
–
–
–
ICC2
Supply Current (Write)
V
–
–
CS = VCC - 0.3V
¯ ¯¯¯
(3)
ISB1
Supply Current (Standby)
–
75
150
µA
U/D, INC = VCC - 0.3V or GND
Notes:
(1) Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions outside of those listed in the operational sections of this
specification is not implied. Exposure to any absolute maximum rating for extended periods may affect device performance and reliability.
(2) This parameter is tested initially and after a design or process change that affects the parameter.
(3) Latch-up protection is provided for stresses up to 100mA on address and data pins from -1V to VCC + 1V
(4) IW = source or sink
(5) These parameters are periodically sampled and are not 100% tested.
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
3
Doc. No. MD-2008 Rev. R
CAT5111
Logic Inputs
Symbol Parameter
Conditions
VIN = VCC
VIN = 0V
Min
Typ
–
Max
10
Units
µA
µA
V
IIH
Input Leakage Current
–
IIL
Input Leakage Current
–
–
-10
VIH1
VIL1
VIH2
VIL2
TTL High Level Input Voltage
TTL Low Level Input Voltage
CMOS High Level Input Voltage
CMOS Low Level Input Voltage
2
0
–
VCC
4.5V ≤ VCC ≤ 5.5V
2.5V ≤ VCC ≤ 6V
–
0.8
V
VCC x 0.7
-0.3
–
VCC + 0.3
V
–
V
CC x 0.2
V
Potentiometer Characteristics
Symbol
Parameter
Conditions
-10 Device
-50 Device
-00 Device
Min
Typ
Max
Units
10
50
RPOT
Potentiometer Resistance
kΩ
100
Pot. Resistance Tolerance
Voltage on RH pin
±20
VCC
VCC
%
V
VRH
VRL
0
0
Voltage on RL pin
V
Resolution
1
%
INL
Integral Linearity Error
Differential Linearity Error
IW ≤ 2µA
IW ≤ 2µA
0.5
1
LSB
LSB
DNL
0.25
0.5
0.05VCC ≤ VWB ≤ 0.95VCC,
VCC = 5V
ROUT
IOUT
Buffer Output Resistance
Buffer Output Current
1
3
Ω
0.05VCC ≤ VWB ≤ 0.95VCC,
VCC = 5V
mA
TCRPOT
TCRATIO
TC of Pot Resistance
Ratiometric TC
300
ppm/ºC
ppm/ºC
pF
20
CRH/CRL/CRW Potentiometer Capacitances
8/8/25
1.7
fc
Frequency Response
Output Voltage Range
Passive Attenuator, 10kΩ
IOUT ≤ 100µA, VCC = 5V
MHz
VWB(SWING)
0.01VCC
0.99VCC
Doc. No. MD-2008 Rev. R
4
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
CAT5111
AC CONDITIONS OF TEST
VCC Range
2.5V ≤ VCC ≤ 6V
0.2VCC to 0.7VCC
10ns
Input Pulse Levels
Input Rise and Fall Times
Input Reference Levels
0.5VCC
AC OPERATING CHARACTERISTICS
VCC = +2.5V to +6.0V, VH = VCC, VL = 0V, unless otherwise specified
Symbol Parameter
Min
Typ (1)
Max
–
Units
ns
¯¯
¯¯¯
tCI
tDI
100
50
100
250
250
1
–
–
–
–
–
–
–
–
1
–
–
–
5
CS to INC Setup
¯
¯¯¯
–
ns
U/D to INC Setup
¯
¯¯¯
tID
–
ns
U/D to INC Hold
¯¯¯
tIL
–
ns
INC LOW Period
¯¯¯
tIH
–
ns
INC HIGH Period
¯¯¯
¯¯
tIC
–
µs
INC Inactive to CS Inactive
¯¯
tCPH
tCPH
tIW
100
10
–
–
ns
CS Deselect Time (NO STORE)
¯¯
–
ms
µs
CS Deselect Time (STORE)
¯¯¯
5
INC to VOUT Change
¯¯¯
tCYC
1
–
µs
INC Cycle Time
(2)
¯¯¯
tR, tF
–
500
1
µs
INC Input Rise and Fall Time
(2)
tPU
tWR
Power-up to Wiper Stable
Store Cycle
–
ms
ms
–
10
A.C. TIMING
CS
(store)
t
CYC
t
t
IC
t
CPH
CI
t
IL
t
IH
90%
90%
INC
U/D
10%
t
DI
t
ID
t
F
t
R
(3)
t
IW
MI
R
WB
Notes:
(1) Typical values are for TA = 25ºC and nominal supply voltage.
(2) This parameter is periodically sampled and not 100% tested.
(3) MI in the A.C. Timing diagram refers to the minimum incremental change in the W output due to a change in the wiper position.
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
5
Doc. No. MD-2008 Rev. R
CAT5111
APPLICATIONS INFORMATION
Potentiometer Configuration
(a) resistive divider
(b) variable resistance
(c) two-port
Applications
3
V
(-)
+
–
R
R
4
1
3
+5V
1
+5V
R
R
1
8
2
2
R
R
A
B
6
+5V
4
+5V
8
1
DPP
9
4
8
pR
POT
7
R
R
7
2
2
–
+
A
3
2
1
7
3
5
5
R
4
V
1
O
(1-p)R
POT
8
3
DPP
10
11
555
4
2
6
5
R
R
4
3
–
+
CAT5113/5114
(+)
6
+2.5V
7
V
2
2
1
0.01µF
0.003µF
A
R
R
=
=
A
R
=
A
= ¼ LM6064
R = 5kꢀ
0.01µF
C
1
2
3
=
2
3
4
= 10kꢀ
POT
Programmable Instrumentation Amplifier
Programmable Sq. Wave Oscillator (555)
IC3A
¼ 74HC132
6
V
=
1V
–
REF
7
OSC
+
+5V +200mV
5
20kꢀ
IC1B
8
2
1
DPP
7
10kꢀ
+
499kꢀ
V
CORR
4
0.01µF
–
499kꢀ
+5V
4
CS
2
3
–
CAT5111/5112
IC2
1
V
=
1V ± 1mV
OUT
+
IC1A
11
-5V
499kꢀ
499kꢀ
V
= 1V ± 50mV
SENSOR
Sensor Auto Referencing Circuit
Doc. No. MD-2008 Rev. R
6
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
CAT5111
+5V
8
100kꢀ
2
1
7
CAT5113/5114
DPP
V
(REG)
V
OUT
O
4
R
11kꢀ
1
2952
V
(UNREG)
IN
0.1µF
6.8µF
pR (1-p)R
1.23V
330ꢀ
330ꢀ
1Mꢀ
SHUTDOWN
SD
FB
3
GND
6
R
820
2
5
1µF
+5V
7
+5V
7
ꢀ
+5V
8
2
3
2
3
10k
–
+
–
+
A
A
2
2
1
7
1
V
3
6
O
6
6
DPP
R
3
10kꢀ
I
S
4
4
5
CAT5113/5114
4
LT1097
+2.5V
Programmable I to V Convertor
Programmable Voltage Regulator
+5V
IC1
393
IC2
74HC132
R
R
1
V
LL
2
–
1
7
OSC
CLO
CHI
+
3
R
2
6
–
10k
ꢀ
C
1
R3
100k
3
0.1µF
0.001µF
ꢀ
+
+5V
5
1µF
C
V
2
UL
R1
+5V
7
2
V
S
–
50k
ꢀ
+5V
IC3
0.001µF
V
O
+5V
8
CAT5111/5112
6
+
R2
10k
3
4
+5V
A
1
ꢀ
6
3
2
1
7
8
2
5
–
+
10kꢀ
DPP
V
O
1
7
+2.5V
DPP
CAT5113/5114
4
0 ≤ V ≤ 2.5V
O
AI
IC4
4
V
+2.5V
S
0 ≤ V ≤ 2.5V
S
Programmable Bandpass Filter
Automatic Gain Control
R
1
100k
ꢀ
+5V
+5V
R
1
–
+
Serial
Bus
100k
ꢀ
ꢀ
+5V
4
V
S
2
R
2.5kꢀ
–
I
S
1
+2.5V
+
3
11
R
1
CAT5111/5112
100k
R
1
100k
ꢀ
+
5
7
+2.5V
= A = LMC6064A
–
6
A
2
A
1
2
Programmable Current Source/Sink
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
7
Doc. No. MD-2008 Rev. R
CAT5111
PACKAGE OUTLINE DRAWINGS
PDIP 8-Lead 300mils (L) (1)(2)
SYMBOL
MIN
NOM
MAX
A
A1
A2
b
5.33
0.38
2.92
0.36
1.14
0.20
9.02
7.62
3.30
0.46
4.95
0.56
1.78
0.36
10.16
8.25
b2
c
1.52
E1
0.25
D
9.27
E
7.87
e
2.54 BSC
6.35
E1
eB
L
6.10
7.87
2.92
7.11
10.92
3.80
PIN # 1
IDENTIFICATION
3.30
D
TOP VIEW
E
A2
A1
A
c
b2
L
eB
e
b
SIDE VIEW
END VIEW
For current Tape and Reel information, download the PDF file from:
http://www.catsemi.com/documents/tapeandreel.pdf.
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC standard MS-001.
Doc. No. MD-2008 Rev. R
8
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
CAT5111
SOIC 8-Lead 150mils (V) (1)(2)
SYMBOL
MIN
NOM
MAX
1.75
0.25
0.51
0.25
5.00
6.20
4.00
A
A1
b
1.35
0.10
0.33
0.19
4.80
5.80
3.80
c
E1
E
D
E
E1
e
1.27 BSC
h
0.25
0.40
0º
0.50
1.27
8º
L
PIN # 1
IDENTIFICATION
θ
TOP VIEW
D
h
A1
θ
A
c
e
b
L
SIDE VIEW
END VIEW
For current Tape and Reel information, download the PDF file from:
http://www.catsemi.com/documents/tapeandreel.pdf.
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC standard MS-012.
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
9
Doc. No. MD-2008 Rev. R
CAT5111
TSSOP 8-Lead (Y) (1)(2)
b
SYMBOL
MIN
NOM
MAX
1.20
0.15
1.05
0.30
0.20
3.10
6.50
4.50
A
A1
A2
b
0.05
0.80
0.19
0.09
2.90
6.30
4.30
0.90
c
D
3.00
6.40
E
E1
E
E1
e
4.40
0.65 BSC
1.00 REF
0.60
L
L1
θ1
0.50
0°
0.75
8°
e
TOP VIEW
D
c
A2
A1
A
θ1
L1
L
SIDE VIEW
END VIEW
For current Tape and Reel information, download the PDF file from:
http://www.catsemi.com/documents/tapeandreel.pdf.
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC standard MS-153.
Doc. No. MD-2008 Rev. R
10
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
CAT5111
MSOP 8-Lead 3.0 x 3.0mm (Z) (1)(2)
SYMBOL
MIN
NOM
MAX
1.10
0.15
0.95
0.38
0.23
3.10
5.00
3.10
A
A1
A2
b
0.05
0.75
0.22
0.13
2.90
4.80
2.90
0.10
0.85
c
D
3.00
4.90
E
E
E1
E1
e
3.00
0.65 BSC
0.60
L
0.40
0º
0.80
6º
L1
L2
θ
0.95 REF
0.25 BSC
TOP VIEW
D
A2
A
DETAIL A
A1
e
b
c
SIDE VIEW
END VIEW
θ
L2
L
L1
DETAIL A
For current Tape and Reel information, download the PDF file from:
http://www.catsemi.com/documents/tapeandreel.pdf.
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC standard MS-187.
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
11
Doc. No. MD-2008 Rev. R
CAT5111
EXAMPLE OF ORDERING INFORMATION (1)
Prefix
Device #
Suffix
CAT
5111
V
I
-10
–
G(2)(3) T3
Optional
Temperature Range
Tape & Reel
I = Industrial (-40ºC to 85ºC)
T: Tape & Reel
3: 3,000/Reel
Company ID
Product Number
Resistance
-10: 10kꢀ
-50: 50kꢀ
Lead Finish
Blank: Matte-Tin
G:NiPdAu
5111
Package
L: PDIP
-00: 100kꢀs
V: SOIC
Y: TSSOP
Z: MSOP
ORDERING PART NUMBER
Part Number
Resistance (kΩ)
Package-Pins
Lead Finish
CAT5111LI-10-G
CAT5111LI-50-G
CAT5111LI-00-G
CAT5111VI-10-G
CAT5111VI-50-G
CAT5111VI-00-G
CAT5111YI-10-G
CAT5111YI-50-G
CAT5111YI-00-G
CAT5111ZI-10
10
50
PDIP-8
NiPdAu
100
10
SOIC-8
TSSOP-8
MSOP-8
NiPdAu
NiPdAu
50
100
10
50
100
10
Matte-Tin
CAT5111ZI-50
50
CAT5111ZI-00
100
For Product Top Mark Codes, click here:
http://www.catsemi.com/techsupport/producttopmark.asp
Notes:
(1) All packages are RoHS compliant.
(2) Standard lead finish is NiPdAu, except MSOP package is Matte-Tin.
(3) Contact factory for Matte-Tin finish availability for PDIP, SOIC and TSSOP packages.
(4) This device used in the above example is a CAT5111VI-10-GT3 (SOIC, Industrial Temperature, 10kꢀ, NiPdAu, Tape & Reel,
3,000/Reel).
Doc. No. MD-2008 Rev. R
12
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
CAT5111
REVISION HISTORY
Date
Rev. Description
10-Mar-04
29-Mar-04
12-Apr-04
M
N
O
Updated Potentiometer Parameters
Changed Green Package marking for SOIC from W to V
Updated Reel Ordering Information
Updated Example of Ordering Information
Added Package Outline
01-Jun-07
P
Added MD- in front of Document No.
Update Potentiometer Characteristics table
Update Package Outline Drawings
Update Example of Ordering Information
Delete MSOP in NiPdAu plated finish
Add Top Mark Codes link.
27-Mar-08
20-Nov-08
Q
R
Change logo and fine print to ON Semiconductor
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are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to
any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
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For additional information, please contact your local
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© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
13
Doc. No. MD-2008 Rev. R
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