摘要:本应用笔记检查方法,以减少不良副作用,如串扰和不准确的,Teridian公司的Maxim产品组合™电能计量IC。在简要回顾ADC输入,本文讨论的计量IC,以及使用铁氧体磁珠,以减少RF敏感度不同的电容器和电阻的影响。

Maxim>DesignSupport>TechnicalDocuments>ApplicationNotes>EnergyMeasurement&Metering>APP5292Keywords:meteringIC,analoginput,filter,componentselection,LPF,ferrites,capacitors,inverter,solar,inter-harmonics,noiserejection,lowpassfilter,RFnoiseJun04,2012APPLICATIONNOTE5292ExternalFiltersfortheAnalogInputsofMeteringICsBy:JPJunkerJun04,2012Abstract:Thisapplicationnoteexamineswaystoreduceadversesideeffects,suchascrosstalkandinaccuracies,intheMaximportfolioofTeridianenergymeteringICs.AfterbrieflyreviewingtheADCinputs,thisarticlediscussestheeffectofdifferentcapacitorsandresistorsonmetering

计量IC的模拟输入的外部过滤器

计量IC的模拟输入的外部过滤器