Frequently Asked Questions about Data Converters

Abstract:Thisarticleanswersmostofthecommonquestionsregardingdataconverters.PresentedinaclassicFAQformat,itaddressestopicsincluding:defininganADCandDAC,andunderstandingtheirprincipalfunctions;theNyquist,effectsofchargeinjection;techniquesfordigitalfiltering;interfacingtoaserialport,I²Cinterface,andSPI™interface;bitbanging;MICROWIREinterface;PCB(PC-board)layouttipsandguidelines;groundingtips;bypasscapacitor(s)'effectonperformance;debuggingADCaccuracy;anddebuggingnoisymeasurements.Maxim>AppNotes>A/DandD/AConversion/SamplingCircuitsKeywords:ADC,DAC,analogtodigital,digitaltoanalog,convertor,converter,dataconverter,dataconvertor,Sep24,2009glossary,FAQ,nyquist,chargeinjection,digitalfiltering,serialport,I2C,SPI,bitbanging,microwire,PCboardlayout,groundingtips,bypassAPPLICATIONNOTE801FrequentlyAskedQuestionsaboutDataConvertersAbstract:Thisarticleanswersmostofthecommonquestionsregardingdataconverters.PresentedinaclassicFAQformat,itaddressestopicsincluding:defininganADCandDAC,andunderstandingtheirprincipalfunctions;theNyquist,effectsofchargeinjection;techniquesfordigitalfiltering;interfacingtoaserialport,ICinterface,andSPIinterface;bitbanging;MICROWIRE