By Analog Devices Inc 89
ADI's AD5121 and AD5141 are single channel 128/256 position digital potentiometers with lower wiper resistance of 40 Ω at the ends and 10k Ω and 100k Ω ranges. Wiper control can be set with serial peripheral interface (SPI) and I2C-compatible digital interface. These POTs can take a logic supply of 1.8 V to 5.5 V. They come in a small 3 x 3 LFCSP package that has a temperature range of -40°C to +125°C. The AD5121 and AD5141 are ideal for power level adjustments of portable, automotive, and industrial applications.
