描述 Description

The MCP4011/2/3/4 devices are volatile, 6-bit Digital Potentiometers that can be configured as either a potentiometer or rheostat. The wiper setting is controlled through a simple Up/Down(U/D) serial

interface.

特性 Features

? Volatile Digital Potentiometer in SOT-23, SOIC, MSOP and DFN packages

? 64 Taps: 63 Resistors with Taps to terminal A and terminal B

? Simple Up/Down(U/D) Protocol

? Power-on Recall of Default Wiper Setting

- Custom POR wiper settings available(contact factory)

? Resistance Values: 2.1 kΩ, 5 kΩ, 10 kΩor 50 kΩ

? Low Tempco:

- Absolute (Rheostat): 50 ppm (0°C to 70°C typ.)

- Ratiometric (Potentiometer): 10 ppm (typ.)

? Low Wiper Resistance: 75Ω(typ.)

? High-Voltage Tolerant Digital Inputs: Up to 12.5V

? Low-Power Operation: 1 μA Max Static Current

? Wide Operating Voltage Range:

- 1.8V to 5.5V - Device Operation

- 2.7V to 5.5V - Resistor Characteristics Specified

? Extended Temperature Range: -40°C to +125°C

? Wide Bandwidth (-3 dB) Operation:

- 4 MHz (typ.) for 2.1 kΩdevice