MCP41100-I/SN-MICROCHIP-Volatile Digital Potentiometer, 100 kohm, Single, Serial, SPI, Linear, 2.7 V

MCP41100-I/SN is a single digital potentiometer with SPI™ interface. The wiper position of varies linearly and is controlled via an industry-standard SPI interface. The devices consume 1µA during static operation. A software shutdown feature is provided that disconnects the “A” terminal from the resistor stack and simultaneously connects the wiper to the “B” terminal. The wiper is reset to the mid-scale position (80h) upon power-up. The RS (reset, active low) pin implements a hardware reset and also returns the wiper to mid-scale.

Features:

1. 256 taps for each potentiometer
2. Potentiometer values for 10 kΩ, 50 kΩ and
   100 kΩ
3. Single and dual versions
4. SPI™ serial interface (mode 0,0 and 1,1)
5. ±1 LSB max INL & DNL
6. Low-power CMOS technology
7. 1 µA maximum supply current in static operation
8. Multiple devices can be daisy-chained together
   (MCP42XXX only)
9. The shutdown feature opens circuits of all resistors for
   maximum power savings
10. Hardware shutdown pin available on MCP42XXX
    only