• Wide Operating Voltage:   
• Analog: 10V to 36V   
• Digital: 2.7V to 5.5V 1.8V to 5.5V (VL < V
• + 2.7V)
• Resistor Network Resolution  
• 7-bit: 127 Resistors (128 Taps)
• RAB Resistance Options: 5kΩ 10kΩ 50kΩ 100kΩ
• 5kΩ
• 10kΩ
• 50kΩ
• 100kΩ
• I2C Serial Interface   
• 100 kHz, 400kHz, and 3.4MHz
• Terminal Disconnect Via:   
• Shutdown Pin (SHDN)   
• Terminal Control (TCON) Register
• Serial Interface Inactive Current (1 μA Typical)
• 2MHz Typical Bandwidth (-3 dB) Operation (5.0 kΩ Device)
• Extended Temperature Range (-40°C to +125°C)
• Package Types: TSSOP-14 and 5x5 QFN

MCP45HV31 is a single-channel, high voltage digital potentiometer (Digipot) family that supports 10V ~36V or +/-5V to +/-18V power rails. It features 7-bit resolution with I²C interface. This family is available in TSSOP-14 and QFN-20 (5x5) packages and has 5kΩ, 10 kΩ, 50 kΩ, and 100 kΩ end-to-end resistance(RAB) options . All parts are guaranteed to operate over –40°C to +125°C extended temperature range.

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.