MCP4431 Overview
Key Features
- Quad Resistor Network
- Potentiometer or Rheostat Configuration Options
- Resistor Network Resolution: 7-bit – 128 Resistors (129 Taps) 8-bit – 256 Resistors (257 Taps)
- Four RAB Resistances options: 5 k 10 k 50 k 100 k
- Zero-scale to Full-scale Wiper Operation
- Low Wiper Resistance – 75 typical
- Low Tempco: Absolute (Rheostat) – 50 ppm typical (0°-70°C) Ratiometric (Potentiometer) – 15 ppm typical
- I2C Serial Interface Support: 100 kHz 400 kHz 3.4 MHz
- Serial Protocol Allows High-Speed Read/Write to Wiper
- Resistor Network Terminal Disconnect Feature via Terminal Control (TCON) Register
