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MCP4021 - Low-Cost NV Digital POT

Datasheet Summary

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.

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.
  • Low Tempco: - Absolute (Rheostat): 50 ppm (0°C to 70°C Typ. ) - Ratiometric (Potentiometer): 10 ppm (Typ. ).
  • Low Wiper Resistance: 75 (Typ. ).
  • WiperLock™ Technology to Secu.

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Datasheet preview – MCP4021

Datasheet Details

Part number MCP4021
Manufacturer Microchip Technology
File Size 3.97 MB
Description Low-Cost NV Digital POT
Datasheet download datasheet MCP4021 Datasheet
Additional preview pages of the MCP4021 datasheet.

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Full PDF Text Transcription

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MCP4021/2/3/4 Low-Cost NV Digital POT with WiperLock™ Technology 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 • Low Tempco: - 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 • Low-Power Operation: 1 µA Max Static Current • Wide Operating Voltage: 2.7V to 5.5V • Extended Temperature Range: –40°C to +125°C • Wide Bandwidth (-3 dB) Operation: - 4 MHz (Typ.
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