MCP4022 Overview
Description
The MCP4021/2/3/4 devices are nonvolatile, 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.
Key Features
- Nonvolatile 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 Saved Wiper Setting
- Resistance Values: 2.1 k, 5 k, 10 k or 50 k
- Absolute (Rheostat): 50 ppm (0°C to 70°C Typ.)
- Ratiometric (Potentiometer): 10 ppm (Typ.)
- Low Wiper Resistance: 75 (Typ.)
- WiperLock™ Technology to Secure the Wiper Setting in Nonvolatile Memory (EEPROM)
- High-Voltage Tolerant Digital Inputs: up to 12.5V
