Dual, 256-Position, SPI
Digital Potentiometer
AD5162
2-channel, 256-position potentiometer
End-to-end resistance: 2.5 kΩ, 10 kΩ, 50 kΩ, and 100 kΩ
Compact 10-lead MSOP (3 mm × 4.9 mm) package
Fast settling time: tS = 5 µs typical on power-up
Full read/write of wiper register
Power-on preset to midscale
Computer software replaces microcontroller in factory
programming applications
Single supply: 2.7 V to 5.5 V
Low temperature coefficient: 35 ppm/°C
Low power: IDD = 6 µA maximum
Wide operating temperature: −40°C to +125°C
Evaluation board available
Qualified for automotive applications FUNCTIONAL BLOCK DIAGRAM
A1 W1 B1 W2 B2 VDD
WIPER
REGISTER 1 WIPER
REGISTER 2 A=0 A=1 GND AD5162
CLK
SDI …