MCP4021-103E (SOIC8) Low-Cost Digital Potentiometer IC

MCP4021-103E (SOIC8) Low-Cost Digital Potentiometer IC

The MCP4021-103E devices are non-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. These device’s implement Microchip’s Wiper Lock technology, which allows application-specific calibration settings to be secured in the EEPROM without requiring the use of an additional write-protect pin.

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• Non-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 Saved Wiper Setting
  

• Resistance Values: 2.1 kΩ, 5 kΩ, 10 kΩ or 50 kΩ
  

• Low Temp co: - Absolute (Rheostat): 50 ppm (0°C to 70°C typ.)
  

• Wiper Lock™ Technology to Secure the wiper setting in non-volatile memory (EEPROM)
  

Specifications of MCP4021-103E (SOIC8) Low-Cost Digital Potentiometer IC

• Resistor Configuration: 10kΩ
  

• Potentiometer Type: Non-volatile digital potentiometer
  

• Steps: 128 steps (7-bit resolution)
  

• End-to-End Resistance: 10 kΩ
  

• Tolerance: ±20%
  

• Interface: Simple up/down (two-wire) control interface
  

• Memory: Non-volatile EEPROM (remembers wiper position even after power is removed)
  

• Wiper Adjustment: Can be adjusted via simple digital signals (no need for an external microcontroller)
  

Package Includes

• 1 x MCP4021-103E (SOIC8) Low-Cost Digital Potentiometer IC