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intersil公司的GetPrecisionPerformancefromaDigitallyControlledPotentiometer(DCP)GetPrecisionPerformancefromaDigitallyControlledPotentiometer(DCP)ApplicationNoteJune5,2009AN1425.1TypicalresistanceaccuracyofthepolysiliconDCPisinVINVCC±20%range.However,therelativeaccuracyormatchingoftheresistiveelementsintheparticularresistorarrayisexcellent,andusuallyisinrangeof±1%orbetter.Thus,t……