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MCP41010 Digital Potentiometer
256-position digital potentiometer with SPI interface and low power consumption.
- Resistance Versions: 10 k?, 50 k?, 100 k?
- Channel: Single
- Package: 8-pin PDIP or SOIC
- Wiper Control: Linear via SPI interface
- Static Operation Consumption: <1 µA
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Features:
- 256 taps for each potentiometer
- Single and dual versions
- SPI™ serial interface
- Low power CMOS technology
The MCP41010 is a 256-position digital potentiometer available in 10 k?, 50 k?, and 100 k? resistance versions. It is a single-channel device packaged in either an 8-pin PDIP or SOIC package. The wiper position can be controlled linearly through an SPI interface. The device consumes less than 1 µA during static operation and features a software shutdown option that disconnects the "A" terminal from the resistor stack.
During shutdown mode, the wiper can be connected to the "B" terminal and the contents of the wiper register can be modified. Upon power-up, the wiper is reset to the mid-scale position (80h). The MCP41010 also includes an RS (reset) pin for hardware reset and wiper positioning.
- Supply Voltage (VDD): 7.0V
- I/O Voltage Range: -0.6V to VDD + 1.0V
- Storage Temperature: -60°C to +150°C
- Ambient Temperature Range: -60°C to +125°C
- ESD Protection: ? 2 kV
- Supply Current (Static): 1 µA max
- Supply Voltage Range: 2.7V - 5.5V
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Temperature Ranges:
- Industrial: -40°C to +85°C
- Extended: -40°C to +125°C