Analog Devices Inc.
Single/Dual, +15 V/5 V, 256-Position, I2C-Compatible Digital Potentiometer Features:AD5280: 1 channelAD5282: 2 channels256 positions+10 V to +15 V single supply; 5.5 V dual-supply operationFixed terminal resistance: 20 k, 50 k, 200 kLow temperature coefficient: 30 ppm/CPower-on midscale preset1 Programmable resetOperating temperature: 40°C to +85°CI2C-compatible interface