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:
- 256 taps for each potentiometer
- Potentiometer values for 10 kΩ, 50 kΩ and
100 kΩ - Single and dual versions
- SPI™ serial interface (mode 0,0 and 1,1)
- ±1 LSB max INL & DNL
- Low-power CMOS technology
- 1 µA maximum supply current in static operation
- Multiple devices can be daisy-chained together
(MCP42XXX only) - The shutdown feature opens circuits of all resistors for
maximum power savings - Hardware shutdown pin available on MCP42XXX
only
Package Includes:
1 x MCP41100-I/SN-MICROCHIP-Volatile Digital Potentiometer, 100 Kohm, Single, Serial, SPI, Linear, 2.7 V
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