DS3903 Triple 128-Position Nonvolatile Digital Potentiometer Lowest Cost Nonvolatile Triple Potentiometer Ideal for Automating Power-Supply Calibration Eliminates Manual Factory Calibration Costs

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Status Active: In Production. Description The DS3903 contains three nonvolatile (NV) low temperature coefficient digital potentiometers, which can be accessed through a 2-wire bus. The DS3903 operates in both 3V and 5V systems, and it features a write-protect pin that can lock the positions of the potentiometers. An address pin allows two DS3903s to be placed on the same 2-wire bus.

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Key Features Three 128-Position Linear Potentiometers (Two 10kΩ, One 100kΩ) NV Wiper Storage Low End-to-End Temperature Coefficient Operates on an Industry-Standard 2-Wire Bus Write-Protect Pin Supply Range: 3V or 5V Operating Temperature Range: -40°C to +85°C Packaging: 20-Pin TSSOP   Applications/Uses A Small and Low-Cost Replacement for Mechanical Potentiometers Fiber Optic Transceiver Modules Mobile Phones and PDAs Portable Electronics Power Supply Calibration

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New Product Press Release	[ 2002-08-27 ]
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Rev 1; 2002-08-09
This page last modified: 2010-01-27