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CAT51DB1 digitally programmable potentiometer (DPP) demonstration board with incremental up/down interface

Posted: 28 May 2008 ?? ?Print Version ?Bookmark and Share

Keywords:CAT51DB1 application note? digitally programmable potentiometer? digipots?

This document by Denisa Stefan describes the CAT51DB1 evaluation/demonstration board for Catalyst digitally programmable potentiometer (DPP) ICs with an increment up/down interface. This board gives design engineers a simple way to evaluate digital potentiometers during prototype development. The board supports 32-tap (CAT5112/5114) and 100-tap (CAT5111/5113) devices. The series resistor array is between two terminals, RH and RL. The wiper, RW, can be positioned to any of the 32 or 100 positions through an internal up/down counter and decoder. The CAT5111 and CAT5112 have a buffered wiper. All devices feature non-volatile wiper position memory.

View the PDF document for more information.

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