256-Position SPI/I2C Selectable
Digital Potentiometer
AD5161 Data Sheet
FEATURES FUNCTIONAL BLOCK DIAGRAM 256-position
End-to-end resistance 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ
Compact MSOP-10 (3 mm × 4.9 mm) package
Pin selectable SPI/I2C compatible interface
Extra package address decode pin AD0
Full read/write of wiper register
Power-on preset to midscale
Single supply 2.7 V to 5.5 V
Low temperature coefficient 45 ppm/°C
Low power, IDD = 8 μA
Wide operating temperature −40°C to +125°C
SDO output allows multiple device daisy-chaining
Evaluation board available APPLICATIONS VDD SDO/NC SDI/SDA
A
CLK/SCL
DIS SPI OR I2C
INTERFACE
W CS/AD0 WIPER
REGISTER B GND Figure 1. PIN CONFIGURATION Mechanical potentiometer replacement in new designs
Transducer adjustment of pressure, temperature, position, …