标签: digital-to-analog

希望大家有资源共享DAC7512DAC7512DAC7512……

Mostofthesignalsdirectlyencounteredinscienceandengineeringarecontinuous:lightintensitythatchangeswithdistance;voltagethatvariesovertime;achemicalreactionratethatdependsontemperature,etc.Analog-to-DigitalConversion(ADC)andDigital-to-AnalogConversion(DAC)aretheprocessesthatallowdigitalcomputerstointeractwiththeseeverydaysignals.Digitalinformationisdifferentfromitscontinuouscounterpartintwoimportantrespects:itissampled,anditisquantized.Bothoftheserestricthowmuchinformationadigitalsignalcancontain.Thischapterisaboutinformationmanagement:understandingwhatinformationyouneedtoretain,andwhatinformationyoucanaffordtolose.Inturn,thisdictatestheselectionofthesamplingfrequency,numberofbits,andtypeofanalogfilteringneededforconvertingbetweentheanaloganddigitalrealms.CHAPTERADCandDAC3Mostofthesignalsdirectlyencounteredinscienceandengineeringarecontinuous:lightintensitythatchangeswithdistance;voltagethatvariesovertime;achemicalreactionratethatdependsontemperature,etc.Analog-to-DigitalConversion(ADC)andDigital-to-AnalogConversion(DAC)aretheprocessesthatallowdigitalcomputerstointeractwiththeseeverydaysignals.Digitalinformationisdifferentfromitscontinuouscounterpartintwoimportantrespects:itissampled,anditisquantized.Bothoftheserestricthowmuchinformationadigitalsignalcancontain.Thischapterisaboutinformationmanagement:understandingwhatinformationyouneedtoretain,andwhatinformationyoucanaffordtolose.In……

Abstract:Thisdesignnoteshowsacircuitthatmodifiesadual,voltage-outputdigital-to-analogconverter(DAC)tosavepoweranddrawlessthan20µAfroma5Vsupply.Thiscircuitisusefulforprogrammablevoltagegenerationinsloworstaticapplications,suchasthenullingofoffsetsinamicropowerinstrument.Maxim>AppNotes>A/DandD/AConversion/SamplingCircuitsKeywords:digital-to-analogconverter,DAC,voltageswitching,voltage-outputDACJan21,2002APPLICATIONNOTE111Dual,Voltage-OutputDACConsumesMinisculePowerAbstract:Thisdesignnoteshowsacircuitthatmodifiesadual,voltage-outputdigital-to-analogconverter(DAC)tosavepoweranddrawlessthan20Afroma5Vsupply.Thiscircuitisusefulforprogrammablevoltagegenerationinsloworstaticapplications,suchasthenullingofoffsetsinamicropowerinstrument.AsimilarversionofthisarticleappearedinElectronicDesignmagazine.Thedual,voltage-outputDACsshowninthefigurebelowemployacombinationofpower-conservingtrickstodraw……

Abstract:Thefollowingarticleprovidesaninsightofhowthe260Msps,14-bitdigital-to-analogconverter(DAC)MAX5195withLVPECLdigitalinputsfitsintoGSM/EDGE-basedtransceiverdesigns.ThearticledetailstheexactSFDR,IMD,SNRandMTPRrequirementsandhowtheMAX5195high-dynamicperformanceDACmeetsthesedemands.ThearticleconcludeswithapracticalexampleoftheDAC's4-toneMTPRperformanceusuallyfoundinGSM/EDGEapplications.Maxim>AppNotes>A/DandD/AConversion/SamplingCircuitsBasestations/WirelessInfrastructureHigh-SpeedSignalProcessingKeywords:high-speedDACs,digital-to-analogconverters,DAC,GSM,EDGE,transmitter,multi-carrier,dynamicperformance,spurious-Feb14,2003freedynamicrange,SFDR,signal-to-noiseratio,SNR,intermodulationdistortion,IMD,multi-tonepowerratio,MTPR,Tx,mask,modAPPLICATIONNOTE1886CriticalDACParametersforMulti-CarrierGSM/EDGETransmittersAbstract:Thefollowingarticleprovidesaninsightofhowthe260Msps,14-bitdigital-to-analogconverter(DAC)MAX5195withLVPECLdigitalinputsfitsintoGSM/EDGE-basedtransceiverdesigns.ThearticledetailstheexactSFDR,IMD,SNRandMTPRrequirementsandhowtheMAX5195high-dynamicperformance……

摘要：下面的文章提供了一个如何260Msps，14位数字-模拟转换器（DAC）MAX5195与LVPECL数字输入到GSM/EDGE基于收发器的设计适合的洞察力。文章详细介绍了确切的SFDR，IMD，信噪比和MTPR要求，以及如何MAX5195高动态性能DAC满足了这些要求。本文的结论与实际的例子DAC的4音的MTPR通常在GSM/EDGE应用中的性能。Maxim>AppNotes>A/DandD/AConversion/SamplingCircuitsBasestations/WirelessInfrastructureHigh-SpeedSignalProcessingKeywords:high-speedDACs,digital-to-analogconverters,DAC,GSM,EDGE,transmitter,multi-carrier,dynamicperformance,spurious-Feb14,2003freedynamicrange,SFDR,signal-to-noiseratio,SNR,intermodulationdistortion,IMD,multi-tonepowerratio,MTPR,Tx,mask,modAPPLICATIONNOTE1886CriticalDACParametersforMulti-CarrierGSM/EDGETransmittersAbstract:Thefollowingarticleprovidesaninsightofhowthe260Msps,14-bitdigital-to-analogconverter(DAC)MAX5195withLVPECLdigitalinputsfitsintoGSM/EDGE-basedtransceiverdesigns.ThearticledetailstheexactSFDR,IMD,SNRandMTPRrequirementsandhowtheMAX5195high-dynamicperformance……

摘要：除了减少所需的GPIO线从十一点到两个数量，该电路还提供了可编程的对比度和背光控制。Maxim>AppNotes>DisplayDriversKeywords:LCDdriver,opamp,I/Oportexpander,contrastcontrol,backlight-intensitycontrol,digital-to-Nov23,2005analogconverter,DACAPPLICATIONNOTE3658SerializinganHD44780LCDDisplayAbstract:BesidesreducingthenumberofrequiredGPIOlinesfromeleventotwo,thiscircuitalsoprovidesprogrammablecontrastandbacklightcontrol.MostLCDcharacterdisplaysconnecttotheoutsideworldthroughacontrollerIC,suchastheHD44780(Hitachi)orequivalent.Thatinterfacehasseriousdrawbacks,however.Itusesupalargenumberofthemicrocontroller'sgeneral-purposeinput/output(GPIO)pins,anditisn'tcapableofprovidingdigital-contrastorbacklight-intensitycontrol.ThecircuitinFigure1reducestherequirednumbero……

摘要：本教程讨论数字调整输出电压的直流-直流转换器的方法。数字调整方法是与数字模拟转换器(DAC)、修剪锅（数字电位器）和PWM输出的微处理器。每一种方法评估并提出几个Dac和数字电位器。Maxim>AppNotes>DigitalpotentiometersKeywords:DC-DCconverter,outputvoltageadjustment,digital-to-analogconverter,DAC,trimpot,digitalpotentiometer,PWMoutputAug06,2002APPLICATIONNOTE818DigitalAdjustmentofDC-DCConverterOutputVoltageinPortableApplicationsAbstract:ThistutorialdiscussesmethodsfordigitallyadjustingtheoutputvoltageofaDC-DCconverter.Thedigitaladjustmentmethodsarewithadigital-to-analogconverter(DAC),atrimpot(digitalpotentiometer),andPWMoutputofamicroprocessor.EachmethodisassessedandseveralDACsanddigitalpotentiometerspresented.TherearemanyportableapplicationsthatoptimizecircuitperformancebyadjustingtheoutputvoltageofaDC-DCconverter.Forinstance,manymicroprocessorscanoperate……

一本关于DAC的很好的书,STUDIESONCMOSDIGITAL-TO-ANALOGCONVERTERS……