MCP4131-103E/P Volatile Digital Potentiometer

MCP4131-103E/P Volatile Digital Potentiometer

The MCP4131-103E/P is a 7-bit (129 wiper steps) non-volatile Digital Potentiometer with volatile memory, programmed/reprogrammed through an SPI compatible interface. It features zero to full-scale wiper operation. It supports split rail applications.

Applications:

• Communications & Networking
• Sensing & Instrumentation
• Audio
• Power Management
• Motor Drive & Control
• Automotive

Features/Specs:

• Wide Operating Voltage: 2.7 to 5.5V
• Single or Dual Resistor Network options
• Potentiometer or Rheostat configuration options
• Resistor Network Resolution
  7-bit: 128 Resistors (129 Steps)
  8-bit: 256 Resistors (257 Steps)
• R AB Resistances options of:
  5 kΩ
  10 kΩ
  50 kΩ
  100 kΩ
• Zero Scale to Full-Scale Wiper operation
• Low Wiper Resistance: 75Ω (typical)
• Low Temp:
  Absolute (Rheostat): 50 ppm typical
  (0°C to 70°C)
  Ratiometric (Potentiometer): 15 ppm typical
• SPI Serial Interface (10 MHz, modes 0,0 & 1,1)
  High-Speed Read/Writes to wiper registers
  SDI/SDO multiplexing (MCP41X1 only)