The MCP435X devices are quad-channel, volatile, 8-bit (257 wiper steps) digital potentiometers with an SPI compatible interface. The MCP435X family is available with end-to-end resistor values of 5KΩ, 10KΩ, 50kΩ and 100KΩ. These devices offer a variety of configurations simplifying design while minimizing cost, package size and pin count.

We welcome questions, comments and recommendations for improvements to this page - please contact us at: [email protected] if you have any; please mention the part number in the email subject header.

• Quad Resistor Network
• Potentiometer or Rheostat Configuration Options
• 8-bit: 256 Resistors (257 Taps)
• 5kΩ
• 10kΩ
• 50kΩ
• 100kΩ
• Zero Scale to Full Scale Wiper Operation
• Low Wiper Resistance: 75 Ω (typical)
• Absolute (Rheostat): 50 ppm typical (0°C to 70°C)
• Ratiometric (Potentiometer): 15 ppm typical
• High-Speed Read/Writes to wiper registers
• Resistor Network Terminal Disconnect Feature via Terminal Control (TCON) Register
• Reset Input Pin
• Brown-out Reset Protection (1.5V typical)
• Serial Interface Inactive Current (2.5 µA typical)
• High-Voltage Tolerant Digital Inputs: Up to 12.5V
• Supports Split Rail Applications
• 2.7V to 5.5V – Device Characteristics Specified
• 1.8V to 5.5V – Device Operation
• 2 MHz (typical) for 5.0 kΩ device
• Extended Temperature Range (-40°C to +125°C)
• AEC-Q100 Grade 1 quarlified