MCP4231-103E/SL

The MCP4231 device offer a wide range of product offerings using an SPI interface. This family of devices support 7-bit and 8-bit resistor networks, and Potentiometer and Rheostat pinouts.

• 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: - 5k? - 10 k? - 50 k? - 100 k?
• Zero Scale to Full-Scale Wiper operation
• Low Wiper Resistance: 75? (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 & 1,1) - High-Speed Read/Writes to wiper registers - SDI/SDO multiplexing (MCP41X1 only)
• Resistor Network Terminal Disconnect Feature via: - Shutdown pin (SHDN) - Terminal Control (TCON) Register
• Brown-out reset protection (1.5V typical)
• Serial Interface Inactive current (2.5 uA typical)
• High-Voltage Tolerant Digital Inputs: Up to 12.5V
• Supports Split Rail Applications
• Internal weak pull-up on all digital inputs<