The MCP4451 devices are volatile, 8-bit (257 wiper steps) digital potentiometers that are programmed/reprogrammed through an I2C™Compatible compatible interface. The MCP4451 family of devices are available with resistor values of 5KΩ, 10KΩ, 50KΩ and 100KΩ. We welcome questions, comments and recommendations for improvements to this page - please contact us at: Digipotwebrequests@microchip.com if you have any; please mention the part number in the email subject header.