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时间: 2019-12-24 22:22
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Abstract:Thisdesignideadescribesasimplecircuitthatconvertsa4-20mAsignaltoa0Vto5Vanalogvoltageidealforconversiontodigitalwithananalog-to-digitalconverter(ADC).The4mAlevelfromthetransducerproducesa0Voutputandthe20mAlevelproducesa5Voutput.Acurrentsenseamplifiergeneratesthisanalog0Vto5Voutput.Inaddition,thecircuitprovidesacomparatoroutputthatcanbeusedtodetectazerocurrentcondition.Maxim>AppNotes>A/DandD/AConversion/SamplingCircuitsAmplifierandComparatorCircuitsInterfaceCircuitsSensorsKeywords:4-20mAtransducers,4-20mAtranslator,4to20mAconverter,A/D,ADC,atod,analogdigital,analogtodigitalconverters,Nov27,2001convertorAPPLICATIONNOTE823TwoICsConvert4-20mASignalto0-5VOutputAbstract:Thisdesignideadescribesasimplecircuitthatconvertsa4-20mAsignaltoa0Vto5Vanalogvoltageidealforconversiontodigitalwithananalog-to-digitalconverter(ADC).The4mAlevelfromthetransducerproducesa0Voutputandthe20mAlevelproducesa5Voutput.Acurrentsenseamplifiergeneratesthisanalog0Vto5Voutput.Inaddition,thecircuitprovidesacomparatoroutputthatcanbeused……