MCP4131
Overview
The MCP41XX and MCP42XX devices offer a wide range of product offerings using an SPI interface. WiperLock Technology allows application-specific calibration settings to be secured in the EEPROM.
- 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)
- RAB Resistances options of: - 5 kΩ - 10 kΩ - 50 kΩ - 100 kΩ
- Zero-Scale to Full-Scale Wiper operation
- Low Wiper Resistance: 75Ω (typical)
- Low Tempco: - Absolute (Rheostat): 50 ppm typical (0°C to 70°C) - Ratiometric (Potentiometer): 15 ppm typical
- Non-volatile Memory - Automatic Recall of Saved Wiper Setting - WiperLock™ Technology
- SPI serial interface (10 MHz, modes 0,0 & 1,1) - High-Speed Read/Writes to wiper registers - Read/Write to Data EEPROM registers - Serially enabled EEPROM write protect - SDI/SDO multiplexing (MCP41X1 only)
- Resistor Network Terminal Disconnect Feature via: - Shutdown pin (SHDN) - Terminal Control (TCON) Register
