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MAX5481 - 10-Bit / Nonvolatile - Linear-Taper Digital Potentiometers

General Description

The MAX5481

MAX5484 10-bit (1024-tap) nonvolatile, linear-taper, programmable voltage-dividers and variable resistors perform the function of a mechanical potentiometer, but replace the mechanics with a pinconfigurable 3-wire serial SPI™-compatible interface or up/down digital interface.

Key Features

  • 1024 Tap Positions.
  • Power-On Recall of Wiper Position from Nonvolatile Memory.
  • 16-Pin (3mm x 3mm x 0.8mm) TQFN or 14-Pin TSSOP Package.
  • 35ppm/°C End-to-End Resistance Temperature Coefficient.
  • 5ppm/°C Ratiometric Temperature Coefficient.
  • 10kΩ and 50kΩ End-to-End Resistor Values.
  • Pin-Selectable SPI-Compatible Serial Interface or Up/Down Digital Interface.
  • 1µA (max) Standby Current.
  • Single +2.7V to +5.25V Supply Opera.

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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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19-3708; Rev 3; 4/07 www.DataSheet4U.com 10-Bit, Nonvolatile, Linear-Taper Digital Potentiometers General Description The MAX5481–MAX5484 10-bit (1024-tap) nonvolatile, linear-taper, programmable voltage-dividers and variable resistors perform the function of a mechanical potentiometer, but replace the mechanics with a pinconfigurable 3-wire serial SPI™-compatible interface or up/down digital interface. The MAX5481/MAX5482 are 3-terminal voltage-dividers and the MAX5483/MAX5484 are 2-terminal variable resistors. The MAX5481–MAX5484 feature an internal, nonvolatile, electrically erasable programmable read-only memory (EEPROM) that stores the wiper position for initialization during power-up. The 3-wire SPI-compatible serial interface allows communication at data rates up to 7MHz.