The MCP41/423X devices are volatile, 7-bit (129 wiper steps) digital potentiometers with an SPI compatible interface. The MCP41/42XX family is available with end-to-end resistor values of 5KΩ, 10KΩ, 50kΩ and 100KΩ. These devices offer a variety of configurations simplifying design while minimizing cost, package size and pin count.

• 7-bit:128 Resistors with Taps to VSS and VDD
• SPI compatible interace
• Automatic Recall of Potentiometer Wiper Settings
• Resistance Values: 5kΩ, 10kΩ, 50kΩ,100kΩ
• Absolute (Rheostat): <100 ppm (typ.)
• Ratiometric (Potentiometer): <10 ppm (typ.)
• Low Wiper Resistance: 100Ω (typ.)
• Low-Power Operation: 1µA Max Static Current
• Wide Operating Voltage: 1.8V to 5.5V
• Extended Temperature Range: -40°C to +125°C