AD5251 Datasheet - Analog Devices

AD5251 - 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. These devices perform the same electronic adjustment functions as mechanical potentiometers, trimmers, and variable resistors. The parts’ versatile programmability a.

AD5251 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

AD5251_AnalogDevices.pdf