MCP4442
Overview
- Quad Resistor Network
- Potentiometer or Rheostat configuration options
- Resistor Network Resolution - 7-bit: 128 Resistors (129 Taps) - 8-bit: 256 Resistors (257 Taps)
- RAB Resistances options of: - 5 kΩ - 10 kΩ - 50 kΩ - 100 kΩ
- Zero Scale to Full Scale Wiper operation
- Low Wiper Resistance: 75 Ω (typical)
- Low Tempco: - Absolute (Rheostat): 50 ppm typical (0°C to 70°C) - Ratiometric (Potentiometer): 15 ppm typical
- Nonvolatile Memory - Automatic Recall of Saved Wiper Setting - WiperLock™ Technology - 5 General Purpose Memory Locations
- I2C Serial Interface - 100 kHz, 400 kHz, and 3.4 MHz support
- Serial protocol allows: - High-Speed Read/Write to wiper - Read/Write to EEPROM - Write Protect to be enabled/disable - WiperLock to be enabled/disabled
