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MAX5417 - 256-Tap Nonvolatile I2C-Interface Digital Potentiometers

General Description

The MAX5417/MAX5418/MAX5419 nonvolatile, lineartaper, digital potentiometers perform the function of a mechanical potentiometer by replacing the mechanics with a simple 2-wire digital interface, allowing communication with multiple devices.

Key Features

  • an address input for a total of eight unique address combinations. The MAX5417/MAX5418/MAX5419 provide three nominal resistance values: 50k Ω (MAX5417), 100k Ω (MAX5418), or 200kΩ (MAX5419). The nominal resistor temperature coefficient is 35ppm/°C end-to-end, and only 5ppm/°C ratiometric. This makes the devices ideal for.

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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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19-3185; Rev 3; 3/09 www.DataSheet4U.com 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers General Description The MAX5417/MAX5418/MAX5419 nonvolatile, lineartaper, digital potentiometers perform the function of a mechanical potentiometer by replacing the mechanics with a simple 2-wire digital interface, allowing communication with multiple devices. Each device performs the same function as a discrete potentiometer or variable resistor and has 256 tap points. The devices feature an internal, nonvolatile EEPROM used to store the wiper position for initialization during power-up. The fast-mode I2C-compatible serial interface allows communication at data rates up to 400kbps, minimizing board space and reducing interconnection complexity in many applications.