The MCP433X devices are quad-channel, volatile, 7-bit (129 wiper steps) digital potentiometers with an SPI compatible interface. The MCP433X family is available with end-to-end resistor values of 5KΩ, 10KΩ, 50kΩ and 100KΩ. These devices offer a variety of configurations simplifying design while minimizing cost, package size and pin count.
Feature
- Quad Resistor Network
- Potentiometer or Rheostat Configuration Options
- Resistor Network Resolution:
- 7-bit: 128 Resistors (129 Taps)
- RAB Resistances Options of:
- 5kΩ
- 10kΩ
- 50kΩ
- 100kΩ
- 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
- SPI Serial Interface (10 MHz, Modes 0,0 and 1,1):
- High-Speed Read/Writes to wiper registers
- Resistor Network Terminal Disconnect Feature via Terminal Control (TCON) Register
- Reset Input Pin
- Brown-out Reset Protection (1.5V typical)
- Serial Interface Inactive Current (2.5 µA typical)
- High-Voltage Tolerant Digital Inputs: Up to 12.5V
- Supports Split Rail Applications
- Wide Operating Voltage:
- 2.7V to 5.5V – Device Characteristics Specified
- 1.8V to 5.5V – Device Operation
Wide Bandwidth (-3 dB) Operation:
- 2 MHz (typical) for 5.0 kΩ device
- Extended Temperature Range (-40°C to +125°C)
- AEC-Q100 Grade 1 quarlified
