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  ON Semiconductor Electronic Components Datasheet  

CAT5111 Datasheet

100-Tap Digitally Programmable Potentiometer

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CAT5111 pdf
CAT5111
100‐tap Digital
Potentiometer (POT)
with Buffered Wiper
Description
The CAT5111 is a single digital POT designed as an 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.
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 setting.
Wiper-control of the CAT5111 is 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 digital POT 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.
Features
100-position Linear Taper Potentiometer
Non-volatile EEPROM Wiper Storage; Buffered Wiper
Low Power CMOS Technology
Single Supply Operation: 2.5 V 6.0 V
Increment Up/Down Serial Interface
Resistance Values: 10 kW, 50 kW and 100 kW
Available in PDIP, SOIC, TSSOP and MSOP Packages
These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS
Compliant
Applications
Automated Product Calibration
Remote Control Adjustments
Offset, Gain and Zero Control
Tamper-proof Calibrations
Contrast, Brightness and Volume Controls
Motor Controls and Feedback Systems
Programmable Analog Functions
Semiconductor Components Industries, LLC, 2013
June, 2013 Rev. 20
1
http://onsemi.com
SOIC8
V SUFFIX
CASE 751BD
MSOP8
Z SUFFIX
CASE 846AD
PDIP8
L SUFFIX
CASE 646AA
TSSOP8
Y SUFFIX
CASE 948AL
PIN CONFIGURATIONS
INC
U/D
RH
GND
1
VCC
CS
RL
RWB
PDIP (L), SOIC (V), MSOP (Z)
1
CS
VINCCC
U/D
TSSOP (Y)
(Top Views)
RL
RGWNBD
RH
Pin Name
INC
U/D
RH
GND
RWB
RL
CS
VCC
PIN FUNCTION
Function
Increment Control
Up/Down Control
Potentiometer High Terminal
Ground
Buffered Wiper Terminal
Potentiometer Low Terminal
Chip Select
Supply Voltage
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
Publication Order Number:
CAT5111/D


  ON Semiconductor Electronic Components Datasheet  

CAT5111 Datasheet

100-Tap Digitally Programmable Potentiometer

No Preview Available !

CAT5111 pdf
PDIP
RL4A
CAT5111LT
YMXXXX
CAT5111
SOIC
DEVICE MARKING INFORMATION
MSOP
RL4A
CAT5111VT
YMXXXX
AARL
YMP
TSSOP
A1RL
4YMXXX
R = Resistance:
AARL = CAT5111ZI10T3
2 = 10 kW
AAPT = CAT5111ZI50T3
4 = 50 kW
AAPX = CAT5111ZI00T3
5 = 100 kW
Y = Production Year (Last Digit)
L = Assembly Location
M = Production Month (19, A, B, C)
4 = Lead Finish NiPdAu
P = Product Revision
A = Product Revision (Fixed as “A”)
CAT5111L = Device Code (PDIP)
CAT5111V = Device Code (SOIC)
T = Temperature Range (Industrial)
Y = Production Year (Last Digit)
M = Production Month (19, A, B, C)
XXXX = Last Four Digits of Assembly Lot Number
A1 = Device Code
R = Resistance:
2 = 10 kW
4 = 50 kW
5 = 100 kW
L = Assembly Location
4 = Lead Finish NiPdAu
Y = Production Year (Last Digit)
M = Production Month (19, A, B, C)
XXX = Last Three Digits of
XXX = Assembly Lot Number
VCC
U/D
Control
INC and
Memory
CS
Power On Recall
+
GND
Figure 1. Functional Diagram
RH
RH
RWB
+
RWB
RL
RL
Figure 2. Electronic Potentiometer Implementation
http://onsemi.com
2


Part Number CAT5111
Description 100-Tap Digitally Programmable Potentiometer
Maker ON Semiconductor
Total Page 14 Pages
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