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Description:Dual 64-and 256-Position I2C Nonvolatile Memory Digital Potentiometers
Manufacturer:Analog Devices
Datasheet:PDF (859K).
Click here to download *)

The AD5251/AD5252 are dual-channel, I2C, nonvolatile memor y, 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 allows multiple modes of operation, including read/write access in the RDAC and EEMEM registers, increment/decrement of resistance, resistance changes in 6 dB scales, wiper setting readback, and extra EEMEM for storing user-defined information such as memor y data for other components, look-up table, or system identification information.

Click here to download AD5251EVAL Datasheet
Click here to download AD5251EVAL Datasheet
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