Microchip Technology MCP4351
7/8-Bit Quad SPI Digital POT
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 k - 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 and 1,1): - High-Speed Read/Writes to wiper registers
● 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 µA typical)
● High-Voltage Tolerant Digital Inputs: Up to 12.5V
● Supports Split Rail
APPLICATIONS
● Internal Weak Pull-up on all Digital Inputs● Wide Operating Voltage: - 2.7V to 5.5V – Device Characteristics Specified - 1.8V to 5.5V – Device Operation
● Wide Bandwidth (-3 dB)...