DATASHEET X9221A 64 Taps, 2-Wire Serial Bus Dual Digitally Controlled Potentiometer (XDCP™) FN8163 Rev 2.
00 August 30, 2006 FEATURES • Two XDCPs in one package • 2-wire serial interface • Register oriented format, 8 registers total —Directly write wiper position —Read wiper position —Store as many as four positions per pot • Instruction format —Quick transfer of register contents to resistor array • Direct write cell —Endurance–100,000 writes per bit per register • Resistor array values —2k, 10k, 50k • Resolution: 64 taps each pot • 20 Ld plastic DIP and 20 Ld SOIC packages • Pb-free plus anneal available (RoHS compliant) DESCRIPTION The X9221A integrates two digitally controlled pote...

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