DESCRIPTION

· The MCP45XX and MCP46XX devices offer a wide range of product offerings using an I2C interface.

· This family of devices support 7-bit and 8-bit resistor networks, volatile memory configurations, and Potentiometer and Rheostat pinouts.

FEATURES

· Single or Dual Resistor Network Options.

· Potentiometer or Rheostat Configuration Options.

· Resistor Network Resolution: 7-bit (128 Resistors, 129 Steps) and 8-bit (256 Resistors, 257 Steps).

· R AB Resistances Options: 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.

· I2C Serial Interface: 100 kHz, 400 kHz, and 3.4 MHz Support.

· Serial Protocol Allows: High-Speed Read/Write to Wiper, Increment/Decrement of Wiper.

· Resistor Network Terminal Disconnect Feature via the 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.

· Wide Operating Voltage: 2.7V to 5.5V (Device Characteristics Specified), 1.8V to 5.5V (Device Operation).

· Wide Bandwidth (-3dB) Operation: 2 MHz (typical) for 5.0 kΩ Device.

· Extended Temperature Range (-40°C to +125°C).

APPLICATIONS

· Suitable for various applications requiring precise resistor network control.

· Ideal for systems utilizing I2C serial interface for communication.

· Useful in environments requiring extended temperature range and high-voltage tolerance.