Digital Potentiometers (POTs) | CAT5271

Digital Potentiometer (POT), Dual 256-Tap, with I2C Compatible Interface

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Overview

The CAT5271 is a dual 256-positionlinear taper digital POT 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 CAT5273 ideal for battery-powered portable applications.

The CAT5271, designed as a pin for pin replacement for the AD5248, operates over the -40°C to +85°C industrial temperature range.

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

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CAT5271ZI-50-GT3

Last Shipments

Pb

A

H

P

Micro10 / MSOP10 (150 mil)

846AG

1

260

REEL

3000

N

2

256

Potentiometer

I2C

50

VCC

No

6.5

Price N/A

More Details

CAT5271ZI-00-GT3

Last Shipments

Pb

A

H

P

Micro10 / MSOP10 (150 mil)

846AG

1

260

REEL

3000

N

2

256

Potentiometer

I2C

100

VCC

No

6.5

Price N/A

More Details

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