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MAX5432 - 32-Tap Nonvolatile I2C Linear Digital Potentiometers

General Description

The MAX5432

MAX5435 nonvolatile, linear-taper, digital potentiometers perform the function of a mechanical potentiometer, but replace the mechanics with a simple 2-wire serial interface.

Key Features

  • Tiny 3mm x 3mm 8-Pin TDFN and 6-Pin Thin SOT23 Packages.
  • Power-On Recall of Wiper Position from Nonvolatile Memory.
  • 35ppm/°C End-to-End Resistance Temperature Coefficient.
  • 5ppm/°C Ratiometric Temperature Coefficient.
  • 50kΩ/100kΩ Resistor Values.
  • Fast 400kbps I2C-Compatible Serial Interface.
  • 500nA (typ) Static Supply Current.
  • +2.7V to +5.25V Single-Supply Operation.
  • 32 Tap Positions.
  • ±0.15 LSB INL (typ), ±0.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-3511; Rev 3; 11/07 KIT ATION EVALU LE B A IL A AV www.DataSheet4U.com 32-Tap, Nonvolatile, I2C, Linear, Digital Potentiometers General Description The MAX5432–MAX5435 nonvolatile, linear-taper, digital potentiometers perform the function of a mechanical potentiometer, but replace the mechanics with a simple 2-wire serial interface. Each device performs the same function as a discrete potentiometer or a variable resistor and has 32 tap points. The MAX5432–MAX5435 feature an internal, nonvolatile, electrically erasable programmable read-only memory (EEPROM) that returns the wiper to its previously stored position at power-up. The fast-mode I 2C-compatible serial interface allows communication at data rates up to 400kbps, minimizing board space and reducing interconnection complexity.