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DS3930 - Hex Nonvolatile Potentiometer

General Description

The DS3930 contains six 256-position nonvolatile (NV) potentiometers, 64 bytes of NV user EEPROM memory, and four programmable NV I/O pins.

The six potentiometers all share a common low side.

The potentiometers are separated into two groups of three 50kΩ potentiometers in parallel.

Key Features

  • Six 256-Position NV Potentiometers.
  • Four General-Purpose NV I/O Pins.
  • 64 Bytes of User EEPROM Memory.
  • 0 to 5.5V on Any Potentiometer Terminal, Independent of VCC.
  • All Six Potentiometers Share a Common Low Side.
  • Potentiometers Separated into Two Groups of Three Potentiometers, Each Sharing a Common High Side.
  • 2-Wire Serial Interface.
  • Wide Supply Range (2.7V to 5.5V).
  • Up to Eight DS3930s Can Share the Same 2-Wire Bus.

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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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DS3930 Rev 0; 4/03 Hex Nonvolatile Potentiometer with I/O and Memory General Description The DS3930 contains six 256-position nonvolatile (NV) potentiometers, 64 bytes of NV user EEPROM memory, and four programmable NV I/O pins. The six potentiometers all share a common low side. The potentiometers are separated into two groups of three 50kΩ potentiometers in parallel. Each group of three potentiometers shares a common high side and forms an equivalent resistance of 16.6kΩ (three 50kΩ potentiometers in parallel).