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CAT5113ZI-50-T3

Digital Potentiometer (POT), 100-Tap

Manufacturer:

onsemi
Mfr.Part #:

CAT5113ZI-50-T3
Datasheet:

CAT5113ZI-50-T3 Datasheet (PDF)
Programmabe:

Not Verified
Taper:

Linear
Configuration:

Potentiometer
Number of Circuits:

1
EDA/CAD Models:

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CAT5113ZI-50-T3 General Description

The CAT5113 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 CAT5113 contains a 100-tap series resistor array connected between two terminals R_H and R_L. An up/down counter and decoder that are controlled by three input pins, determines which tap is connected to the wiper, R_W. The CAT5113 wiper is buffered by an op amp that operates rail to rail. The wiper setting, stored in non-volatile NVRAM 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 affecting the stored setting. Wiper-control of the CAT5113 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 three-terminal resistive divider or as a two-terminal variable resistor.

Key Features

100-position linear taper potentiometer
Non-volatile EEPROM wiper storage
10 nA ultra-low standby current
Single supply operation: 2.5 V-6.0 V
Increment Up/Down serial interface
Resistance values: 1 kΩ, 10 kΩ, 50 kΩ and 100kΩ

Application

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

Specifications

Programmabe	Not Verified	Taper	Linear
Configuration	Potentiometer	Number of Circuits	1
Number of Taps	100	Resistance (Ohms)	50k
Interface	Up/Down (U/D, INC, CS)	Memory Type	Non-Volatile
Voltage - Supply	2.5V ~ 6V	Tolerance	±20%
Temperature Coefficient (Typ)	300ppm/°C	Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C	Resistance - Wiper (Ohms) (Typ)	1000 (Max)
Base Product Number	CAT5113