所需E币: 4
时间: 2019-12-24 18:14
大小: 53.6KB
摘要:环境温度,监视VCC时,DS1854,DS1857和DS1858和外部模拟输入。本应用笔记介绍如何解释在主设备SRAM中存储的值,并将其转化成温度和电压。2的补码转换的审查也包括在内。Maxim>AppNotes>DIGITALPOTENTIOMETERSFIBER-OPTICCIRCUITSTEMPERATURESENSORSandTHERMALMANAGEMENTKeywords:DS1854,DS1857,DS1858,digitalpot,digitalpotentiometer,digipot,potentiometersDec10,2002APPLICATIONNOTE228HowtoInterpretDS1854,DS1857,andDS1858TemperatureandVoltageReadingsAbstract:TheDS1854,DS1857,andDS1858monitorVCC,ambienttemperature,andexternalanaloginputs.ThisapplicationnoteexplainshowtointerpretthevaluesstoredintheMainDeviceSRAMandtranslatethemintotemperatureandvoltages.Areviewof2'scomplementconversionisalsocovered.TranslatingTemperaturefromBinarytoDecimalTheprocedureforconvertingtemperaturevaluesfortheDS1854/57/58beginswithreadingthevaluesstoredinbytes60h(MSBo……