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DS1805 - Addressable Digital Potentiometer

Description

The DS1805 addressable digital potentiometer contains a single 256-position digitally controlled potentiometer.

Device control is achieved through a 2-wire serial interface.

Device addressing is provided through three address inputs that allow up to eight devices on a single 2-wire bus.

Features

  • o 3V or 5V Operation o Low Power Consumption o One Digitally Controlled, 256-Position Potentiometer o Compatible with DS1803-Based Designs o 14-Pin TSSOP (173mil) and 16-Pin SO (150mil) Available for Surface-Mount.

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Full PDF Text Transcription

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DS1805 Rev 1; 9/06 Addressable Digital Potentiometer General Description The DS1805 addressable digital potentiometer contains a single 256-position digitally controlled potentiometer. Device control is achieved through a 2-wire serial interface. Device addressing is provided through three address inputs that allow up to eight devices on a single 2-wire bus. The exact wiper position of the potentiometer can be written or read. The DS1805 is available in 16-pin SO and 14-pin TSSOP packages. The device is available in three standard resistance values: 10kΩ, 50kΩ, and 100kΩ. The DS1805 is specified over the industrial temperature range. The DS1805 provides a low-cost alternative for designs based on the DS1803, but require only a single potentiometer.
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