AD5251 Datasheet - Analog Devices

AD5251, Dual 64-/256-Position I2C Nonvolatile Memory Digital Potentiometers

Data Sheet AD5251/AD5252 Dual 64-/256-Position I2C Nonvolatile Memory Digital Potentiometers .
The AD5251/AD52521 are dual-channel, I2C, nonvolatile memory, digitally controlled potentiometers with 64/256 positions, respectively.

Features

* AD5251: Dual 64-position resolution
* AD5252: Dual 256-position resolution
* AD5251: 50 kΩ
* AD5252: 1 kΩ, 10 kΩ, 50 kΩ, 100 kΩ
* Nonvolatile memory stores wiper setting w/write protection
* Power-on refreshed with EEMEM settings in 300 µs typ
* EEMEM rewrite time = 540

Applications

* Mechanical potentiometer replacement
* General-purpose DAC replacement
* LCD panel VCOM adjustment
* White LED brightness adjustment
* RF base station power amp bias control
* Programmable gain and offset control
* Programmable voltage-to-current conversion
* Progra

AD5251_AnalogDevices.pdf