Texas Instruments TPL0501 256 Taps single-channel digital potentiometer is a linear taper device with 256 wiper positions. TI TPL0501 digital potentiometer IC can be used as a three-terminal potentiometer or a two-terminal rheostat. This TI device provides end-to-end resistance of 100kΩ. The internal register of the TPL0501 can be accessed using an SPI-compatible interface. It has a nominal temperature coefficient of 35ppm/ºC. The TPL0501 is ideal for use in adjustable power supplies, adjustable gain amplifiers and offset trimming, mechanical potentiometer replacement, and more.