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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 potentiometers (XDCP) on a monolithic CMOS integrated microcircuit.
X9221A Datasheet
