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Analog Devices’ AD529x family of single-channel 10-bit programmable digital potentiometers offer <1% end-to-end resistor tolerance error over a supply voltage of ±15 V in open-loop applications. The 14-lead TSSOP-packaged components use the iCMOS modular manufacturing process to combine CMOS and bipolar technologies to enable the device to support dual power supplies in the ±10.5 V to ±15 V range and single supply operation in the 21 V to 30 V range. The 256-tap AD5291 and 1,024-tap AD5292 offers 20-times-programmable memory, a wiper setting controlled through an SPI-compatible port and internal fuse blown to save the wiper position. The 1,024-tap AD5293 has the same features, but with volatile memory.

Analog Devices
http://www.analog.com