Bench Characterization of ADCs Using a Low-Cost PC-Based Data-Acquisition Board

Abstract:ThisapplicationnotedescribestechniquesofusingaPCbasedDigitalI/OBoardtocharacterizeanalog-to-digitalconverters(ADCs).ItwilllookatstaticDCparameterssuchasintegralnonlinearity(INL),differentialnonlinearity(DNL),gain,andoffseterrors,butalsonoise,internalreferencevoltage,andchannel-to-channelcouplingandmatching,aswellasthesupplyvoltagedependence.Maxim>AppNotes>A/DandD/ACONVERSION/SAMPLINGCIRCUITSKeywords:ADC,characterization,INL,DNL,gain,offset,channelcouplingandmatching,NationalIntruments,Aug01,2001NI,Labview,PC,DAQ,analogtodigitalconvertersAPPLICATIONNOTE633BenchCharacterizationofADCsUsingaLow-CostPC-BasedData-AcquisitionBoardAbstract:ThisapplicationnotedescribestechniquesofusingaPCbasedDigitalI/OBoardtocharacterizeanalog-to-digitalconverters(ADCs).ItwilllookatstaticDCparameterssuchasintegralnonlinearity(INL),differentialnonlinearity(DNL),gain,andoffseterrors,butalsonoise,internalreferencevoltage,andchannel-to-channelcouplingandmatching,aswellasthesupplyvoltagedependence.Withtheincreasingcomplexityofanalog-to-digi