The Microchip MCP45XX and MCP46XX family provides a versatile range of digital potentiometers utilizing an I²C interface. These devices support both 7-bit and 8-bit resistor networks, nonvolatile memory configurations, and potentiometer/rheostat pinouts. WiperLock technology enables the secure storage of application-specific calibration settings within the EEPROM, enhancing system reliability and precision. Suitable for applications requiring adjustable resistance with digital control, such as audio volume adjustment, sensor calibration, and display dimming.