Understanding Single-Ended, Pseudo-Differential and Fully-Differential ADC Input

Abstract:Manyoftoday'sinstrumentationandprocesscontrolapplicationsconverttheanalogoutputofasensorforprocessingand/orstorageusingananalog-to-digitalconverter(ADC).ForvoltageinputADCs,threedifferentinputstructuretypesexist:Single-Ended,Pseudo-DifferentialandFully-Differential.Thistutorialexplainsthedifferences,advantagesandtradeoffsbetweentheinputtypes.Maxim>AppNotes>A/DandD/AConversion/SamplingCircuitsKeywords:single-ended,signalconditioning,pseudodifferential,fullydifferential,commonmoderejection,Jun14,2002CMRR,noise,ADC,a/d,analogdigital,analogtodigital,converters,convertorsAPPLICATIONNOTE1108UnderstandingSingle-Ended,Pseudo-DifferentialandFully-DifferentialADCInputsAbstract:Manyoftoday'sinstrumentationandprocesscontrolapplicationsconverttheanalogoutputofasensorforprocessingand/orstorageusingananalog-to-digitalconverter(ADC).ForvoltageinputADCs,threedifferentinputstructuretypesexist:Single-Ended,Pseudo-DifferentialandFully-Differential.Thistutorialexplainsthedifferences,advantagesandtradeoffsbetweentheinputtypes.Manyoftoday'selec