如何计算的数字电位器的抽头电压

摘要：MAX5481/MAX5483数据手册提供了一个复杂的公式中的努力是非常精确的计算抽头电压。本应用笔记介绍了在这个计算中涉及的问题分解成较小的步骤的过程。此外，还讨论确定最有效位（LSB）的正确方法。

Maxim>AppNotes>DIGITALPOTENTIOMETERSGENERALENGINEERINGTOPICSSIGNALGENERATIONCIRCUITSKeywords:Full-Scale-ErrorFSEZero-ScaleErrorZSELSBwipervoltagedigitalpotpotentiometercalculateSep27,2008stepstapsAPPLICATIONNOTE4288HowtoCalculatetheWiperVoltageofaDigitalPotentiometerBy:BillLaumeisterAbstract:TheMAX5481/MAX5483datasheetprovidesacomplicatedformulaforcalculatingwipervoltageinanefforttobeveryprecise.Thisapplicationnoteexplainstheissuesinvolvedinthiscalculationandbreakstheprocessintosmallersteps.Italsodiscussesthepropermethodfordeterminingtheleast-significantbit(LSB).IntroductionSometimesinourefforttobeveryprecisewemakethingslookridiculouslyhard.Theformulasforcalcula