MCP4461

MCP444X/446X 7/8-Bit Quad I2C Digital POT with Nonvolatile Memory Features Quad Resistor Network Potentiometer or Rheostat configuration options Resistor Network Resolution - 7-bit: 128 Resistors (129 Taps) - 8-bit: 256 Resistors (257 Taps) RAB Resistances options of: - 5 kΩ - 10 kΩ - 50 kΩ - 100 kΩ 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 Nonvolatile Memory - Automatic Recall of Saved Wiper Setting - WiperLock™ Technology - 5 General Purpose Memory Locations I2C Serial Interface - 100 kHz, 400 kHz, and 3.4 MHz support Serial protocol allows: - High-Speed Read/Write to wiper - Read/Write to EEPROM - Write Protect to be enabled/disable - WiperLock to be enabled/disabled Resistor Network Terminal Disconnect Feature via Terminal Control (TCON) Register Reset input pin Write Protect Feature: - Hardware Write Protect (WP) Control pin - Software Write Protect (WP) Configuration bit 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 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 Ex...