The MCP4017/8/9 devices are volatile, 7-bit (128 wiper steps) digital potentiometers?with an I2C?Compatible interface. This family offers 5kΩ, 10kΩ, 50kΩ?or 100kΩ end-to-end resistance values and is?available in miniature 5?or 6 lead SC-70 packaging with potentiometer or?rheostat pinouts.

  Potentiometer or Rheostat configuration options

  7-bit: Resistor Network Resolution

  127 Resistors (128 Steps)

  Zero Scale to Full Scale Wiper operation

  RAB Resistances: 5kΩ, 10kΩ, 50kΩ?or 100kΩ

  Low Wiper Resistance: 100Ω (typical)

  Low Tempco:

  Absolute (Rheostat): 50 ppm typical(0°C to 70°C)

  Ratiometric (Potentiometer): 15 ppm typical

  Simple I2C?Compatible Protocol with read & write commands

  Brown-out reset protection (1.5V typical)

  Power-on Default Wiper Setting (Mid-scale)

  Low-Power Operation: 2.5 μA Static Current (typ)

  Wide Operating Voltage Range:

  2.7V to 5.5V - Device Characteristics Specified

  1.8V to 5.5V - Device Operation