DS3903 Datasheet | Maxim Integrated

.. 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 -...