CAT5271: DPP, Volatile Dual 256 Tap I²C

Datasheet: Dual 256-Position I2C Compatible Digital Potentiometer Rev. 1 (185.0kB)

»View Material Composition »No Product Change Notifications exist

The CAT5271 is a dual 256-position digitally programmable linear taper potentiometer ideally suited for replacing mechanical potentiometers and variable resistors.

The wiper settings are controlled through an I²C-compatible digital interface. Upon power-up, the wiper assumes a midscale position and may be repositioned anytime after the power is stable. The device can be programmed to go to a shutdown state during operation.

The CAT5271 operates from 2.7 V to 5.5 V, while consuming less than 2 µA. This low operating current, combined with a small package footprint, makes the CAT5271 ideal for battery-powered portable applications.

The CAT5271, designed as a pin for pin replacement for the AD5243, is offered in the 10-lead MSOP package and operates over the -40°C to +85°C industrial temperature range.

Features
Dual 256-position
End-to-End Resistance: 50 kΩ, 100 kΩ
I2C Compatible Interface
Power-on Preset to Midscale
Single Supply 2.7 V to 5.5 V
Low Temperature Coefficient 100 ppm/°C
Low Power, IDD 2 µA max
Wide Operating Temperature -40°C to +85°C
RoHS-compliant MSOP-10 Package (3 mm x 4.9 mm)

Applications
Potentiometer Replacement Transducer Adjustment of Pressure, Temperature, Position, Chemical, and Optical Sensors RF Amplifier Biasing Gain Control and Offset Adjustment

Technical Information
Data Sheets (1)	Package Drawings (1)