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 and 100kΩ end-to-end resistance values and is available in miniature 5 or 6 lead SC-70 packaging with potentiometer or rheostat pinouts.
Feature
- 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 and 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