标签: sigma-delta

摘要：本电路采用电阻分压器调整差分输入和稳定的电压基准，进而调整转换器输入信号的范围，使0V至5V输入量程的ADC(MAX1402)可以接受+10.5V至-10.5V的输入范围。ADC输入转换器PaulWardMar04,2012摘要：本电路采用电阻分压器调整差分输入和稳定的电压基准，进而调整转换器输入信号的范围，使0V至5V输入量程的ADC(MAX1402)可以接受+10.5V至-10.5V的输入范围。本设计实例发表于2008年8月5日的EETimes杂志。许多高精度模/数转换器的输入范围要求介于0.0V至5.0V之间。例如，MAX1402(18位多通道Σ-ΔADC)测量两个输入之间的差值。典型的单端应用中，该ADC将输入电压与固定的基准电压(例如2.500V)进行比较：ADCIN=0V时，数字输出代表0V……

Abstract:Flashanalog-to-digitalconverters,alsoknownasparallelADCs,arethefastestwaytoconvertananalogsignaltoadigitalsignal.FlashADCsareidealforapplicationsrequiringverylargebandwidth,buttheyconsumemorepowerthanotherADCarchitecturesandaregenerallylimitedto8-bitresolution.Thistutorialwilldiscussflashconvertersandcomparethemwithotherconvertertypes.UnderstandingFlashADCsSep16,2010Abstract:Flashanalog-to-digitalconverters,alsoknownasparallelADCs,arethefastestwaytoconvertananalogsignaltoadigitalsignal.FlashADCsareidealforapplicationsrequiringverylargebandwidth,buttheyconsumemorepowerthanotherADCarchitecturesandaregenerallylimitedto8-bitresolution.Thistutorialwilldiscussflashconvertersandcomparethemwithotherconvertertypes.IntroductionFlashanalog-to-digitalconverters,alsoknownasparallelADCs,arethefastestwaytoconvertananalogsignaltoadigitalsignal.FlashADCsaresuitableforapplicationsrequiringverylargebandwidths.However,theseconvertersconsumeconsiderablepower,haverelativelylowresolution,andcanbequiteexpensive.Thislimitsthemtoh……

摘要：本电路采用电阻分压器调整差分输入和稳定的电压基准，进而调整转换器输入信号的范围，使0V至5V输入量程的ADC(MAX1402)可以接受+10.5V至-10.5V的输入范围。ADC输入转换器PaulWardMar04,2012摘要：本电路采用电阻分压器调整差分输入和稳定的电压基准，进而调整转换器输入信号的范围，使0V至5V输入量程的ADC(MAX1402)可以接受+10.5V至-10.5V的输入范围。本设计实例发表于2008年8月5日的EETimes杂志。许多高精度模/数转换器的输入范围要求介于0.0V至5.0V之间。例如，MAX1402(18位多通道Σ-ΔADC)测量两个输入之间的差值。典型的单端应用中，该ADC将输入电压与固定的基准电压(例如2.500V)进行比较：ADCIN=0V时，数字输出代表0V……

摘要：在20世纪70年代中期，引入一个新的数据转换器架构的模拟和混合信号的社区，被称为流水线ADC。下面的文章管线架构的优点和缺点的知识和比较的特点，最流行的架构有四个模拟到数字转换器（ADC）（闪光灯，双斜坡的sigma-delta，逐次逼近）。总结与CCD成像的应用实例，详细论述为什么管道的ADC架构比任何其他常用的概念是在这类应用中的理想。Maxim>AppNotes>A/DandD/ACONVERSION/SAMPLINGCIRCUITSBASESTATIONS/WIRELESSINFRASTRUCTUREHIGH-SPEEDSIGNALPROCESSINGKeywords:flash,pipeline,integrating,dual-slope,sigma-delta,delta-sigma,SAR,successive-approximation,Mar21,2000sparklecode,thermometerbubble,metastability,ADCs,analogtodigitalconverters,sub-rangingADC,CCD,imagingapplication,medicalimaging,latencAPPLICATIONNOTE634PipelineADCsComeofAgeAbstract:Inthemid1970s,anewdataconverterarchitecturewasintroducedtotheanalogandmixed-signalcommunity,calledpipelineADCs.Thefollowingarticletakestheknowledgeofadvantagesanddisadvantagesofthepipelinearchitectureandcomparesitsfeatureswithfourofthemostpopulararchitectures(flash,dual-slope,sigma-del……

Sigma-DeltaModulatorSigmaDeltaModulatorAlfredBlaisJeremyFerrisChapter1:ProjectOverviewAsigmadeltamodulatorisonemethodforprovidingthefrontendtoananalogtodigitalconverter.Whenananalogsignalisdigitized,quantizationerrorisintroducedintothefrequencyspectrum.Thesigmadelta’sfunctionistopushthequantizationerrorthatisnearthesignalintoahigherfrequencybandnearthesamplingfrequency.Afterthisisdonethesignalcanbelowpassfilteredandtheoriginalsignalcanberestoredinadigitizedform.Thisprojectconsistsofasigmadeltamodulatorwithfirstordernoiseshapingcharacteristics.TheblockdiagramofthefirstorderloopisshowninFigure1,AppendixD.Inthesigmadeltamodulator,thedifferencebetweentheanaloginputsignalandatheoutput……

sigma-deltaADC的matlab建模,Behavioralmodelingofswitched-capacitorsigma-deltamodulators2003……

Multisigma-deltafraction-nMULTI-BITDELTA-SIGMAMODULATIONTECHNIQUEFORFRACTIONAL-NFREQUENCYSYNTHESIZERSBYWOOGEUNRHEEB.S.,SeoulNationalUniversity,1991M.S.,UniversityofCaliforniaatLosAngeles,1993THESISSubmittedinpartialfulllmentoftherequirementsforthedegreeofDoctorofPhilosophyinElectricalEngineeringintheGraduateCollegeoftheUniversityofIllinoisatUrbana-Champaign,2001Urbana,IllinoisiiiMULTI-BITDELTA-SIGMAMODULATIONTECHNIQUEFORFRACTIONAL-NFREQUENCYSYNTHESIZERSWoogeunRhee,Ph.D.DepartmentofElectricalandComputerEngineeringUniversityofIllinoisatUrbana-Champaign,2001Bang-SupSong,AdvisorFractional-Nfrequencysynthesisprovidesagileswitchinginnarrowchannelspacingsystemsandalleviatesphase-lockedloop(PLL)designconstraintsforp……

thedesignorsigma-deltamodulationinadc……

AD7710是完全的模拟前端芯片，可用于低频测量设备。它可接受直接来自应变计或传感器的低电平信号，同时它还能输出串行数字信号。……