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CAT5112LI10G

更新时间： 2024-09-17 12:36:23
品牌 Logo 应用领域
安森美 - ONSEMI 电位器
页数 文件大小 规格书
10页 162K
描述
32‐tap Digital Potentiometer (POT)

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CAT5112LI10G 数据手册

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CAT5112  
32‐tap Digital  
Potentiometer (POT)  
with Buffered Wiper  
Description  
The CAT5112 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.  
http://onsemi.com  
SOIC−8  
V SUFFIX  
MSOP−8  
Z SUFFIX  
The CAT5112 contains a 32-tap series resistor array connected  
CASE 751BD  
CASE 846AD  
between two terminals R and R . An up/down counter and decoder  
H
L
that are controlled by three input pins, determines which tap is  
connected to the wiper, R . The CAT5112 wiper is buffered by an op  
WB  
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 CAT5112 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.  
PDIP−8  
L SUFFIX  
CASE 646AA  
TSSOP−8  
Y SUFFIX  
CASE 948AL  
PIN CONFIGURATIONS  
1
V
CC  
INC  
U/D  
CS  
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 CAT5114. The buffered wiper of the  
CAT5112 is not compatible with that application.  
R
R
GND  
L
H
R
WB  
PDIP (L), SOIC (V), MSOP (Z)  
1
R
CS  
L
Features  
V
CC  
INC  
U/D  
R
WB  
GND  
32-position Linear Taper Potentiometer  
Non-volatile EEPROM Wiper Storage; Buffered Wiper  
Low Power CMOS Technology  
R
H
TSSOP (Y)  
(Top Views)  
Single Supply Operation: 2.5 V − 6.0 V  
Increment Up/Down Serial Interface  
PIN FUNCTION  
Resistance Values: 10 kW, 50 kW and 100 kW  
Available in PDIP, SOIC, TSSOP and MSOP Packages  
Pin Name  
INC  
Function  
Increment Control  
Up/Down Control  
These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS  
U/D  
Compliant  
R
Potentiometer High Terminal  
Ground  
H
Applications  
GND  
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  
R
Buffered Wiper Terminal  
Potentiometer Low Terminal  
Chip Select  
WB  
R
L
CS  
V
Supply Voltage  
CC  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 10 of this data sheet.  
Semiconductor Components Industries, LLC, 2013  
1
Publication Order Number:  
June, 2013 − Rev. 16  
CAT5112/D  
1234567...10

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