MCP4432-104E/ST

The MCP4432 devices are non-volatile, 7-bit (129 wiper steps) digital potentiometers that are programmed/reprogrammed through an SPI compatible interface. The MCP4432 devices offer a variety of configurations simplifying design while minimizing cost, package size and pin count. The MCP4432 family of devices are available with resistor values of 5K, 10K, 50k and 100K

• Quad Resistor Network
• Potentiometer or Rheostat Configuration Options
• Resistor Network Resolution: 7-bit – 128 Resistors (129 Taps) 8-bit – 256 Resistors (257 Taps)
• Four RAB Resistances options: 5 kO 10 kO 50 kO 100 kO
• Zero-scale to Full-scale Wiper Operation
• Low Wiper Resistance – 75 O typical
• Low Tempco: Absolute (Rheostat) – 50 ppm typical (0°-70°C) Ratiometric (Potentiometer) – 15 ppm typical
• I2C Serial Interface Support: 100 kHz 400 kHz 3.4 MHz
• Serial Protocol Allows High-Speed Read/Write to Wiper
• 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 uA typical
• High-Voltage Tolerant Digital Inputs Up to 12.5V
• Supports Split Rail Applications
• Internal Weak Pull-up on All Digital Inputs, except SCL and SDA
• Wide Operating Volt