所需E币: 5
时间: 2019-12-24 17:04
大小: 36.88KB
摘要:操作无需使用微控制器的数字电位。手动增加一个简单的按钮电路向上/向下。完善的手动控制,需要设置一个特定的水平,成本敏感的应用。Maxim/Dallas>AppNotes>DIGITALPOTENTIOMETERSGENERALENGINEERINGTOPICSKeywords:digitalpotentiometer,digipot,watchdogtimer,switchdebouncer,esdprotection,digitalpots,Jun01,2001potentiometers,pushbuttoncircuitAPPLICATIONNOTE1118ManuallyOperatedDigitalPotentiometerDoesn'tNeedaMicroprocessorOperateadigitalpotentiometerwithouttheuseofamicrocontroller.Manuallyincrementup/downwithasimplepush-buttoncircuit.Perfectforcostsensitiveapplicationswheremanualcontrolsarerequiredtosetaparticularlevel.DigitalpotentiometerICssuchastheMAX5160andMAX5161aregoodreplacementsformechanicaltypes.ButtheseICsaredesignedtoworkwithmicrocontrollers.Inthismanuallyoperateddigitalpotentiometer,twopushbuttonsc……