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MCP443X/5X
7/8-Bit Volatile Quad Digital POT with I2C Interface
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 • Reset Input Pin • Brown-out Reset Protection – 1.5V typical • Serial Interface Inactive Current – 2.
MCP4431 Datasheet
