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AD5245 Datasheet 256-Position I2C-Compatible Digital Potentiometer

Manufacturer: Analog Devices

General Description

The AD5245 provides a compact 2.9 mm × 3 mm packaged solution for 256-position adjustment applications.

These devices perform the same electronic adjustment function as mechanical potentiometers or variable resistors, with enhanced resolution, solid-state reliability, and superior low temperature coefficient performance.

The wiper settings are controllable through an I2C-compatible digital interface, which can also be used to read back the wiper register content.

Overview

Data Sheet AD5245 256-Position I2C-Compatible Digital Potentiometer.

Key Features

  • 256-position.
  • End-to-end resistance 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ.
  • Compact SOT-23-8 (2.9 mm × 3 mm) package.
  • Fast settling time: tS = 5 µs typ on power-up.
  • Full read/write of wiper register.
  • Power-on preset to midscale.
  • Extra package address decode pin AD0.
  • Computer software replaces microcontroller in factory program- ming.