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com Rev 0; 6/02 Triple 128-Position Nonvolatile Digital Potentiometer General Description The DS3903 contains three nonvolatile (NV) low temperature coefficient digital potentiometers, which can be accessed through a 2-wire bus.
It 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.
Features ♦ Three 128-Position Linear Potentiometers (Two 10kΩ, One 90kΩ) ♦ NV Wiper Storage ♦ 0 to 5.
5V on Any Potentiometer Terminal Independent of VCC ♦ Low End-to-End Temperature Coefficient ♦ Operates on an Industry-Standard 2-Wire Bus ♦ Write-Protect...

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