Datasheet Summary
MCP444X/446X
7/8-Bit Quad I2C Digital POT with Nonvolatile Memory
Features
- 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
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