ANALOG DEVICES AD8400 English products handbook Rev E
Datasheet
The AD8400/AD8402/AD8403 are single-, dual-, or quad-channel, 256-position, digitally controlled variable resistor devices from Analog Devices. They can be used to replace 1, 2, or 4 potentiometers and provide a number of features, including power shutdown, 3-wire SPI-compatible serial data input, and a data loading rate of 10 MHz. The devices are also qualified for automotive applications.