标签: btl

BTL功率放大器的典型电路设计.pdf

本文件包含TDA856x系列和TDA8571J功率放大器的应用信息AN10327TDA856xandTDA8571JpoweramplifiersRev.01.00―15October2004ApplicationnoteDocumentinformationInfoContentKeywordsAutomotive,audio,poweramplifier,Stereo,Quad,BTL,classAB,bipolarAbstractThisdocumentcontainsapplicationinformationforthepoweramplifierTDA856xseriesandtheTDA8571JPhilipsSemiconductorsAN10327TDA856x,TDA8571JRevisionhistoryRevDateDescription1.020041015FirstversionContactinformation……

Abstract:Thisaudiobridge-tiedload(BTL)amplifierapplicationnotedescribesauniquearchitecturethatminimizesthedifferentialoutputdistortionandnoise(THD+N).Maxim>DesignSupport>AppNotes>AmplifierandComparatorCircuits>APP1122Maxim>DesignSupport>AppNotes>AudioCircuits>APP1122Keywords:audiobridgedamplifier,BTL,audioamplifier,THD+N,bridgedtiedload,lownoise,differentialoutputdriveJun24,2002APPLICATIONNOTE1122OptimizingAudioBridgedTiedLoadAmplifiersAbstract:Thisaudiobridge-tiedload(BTL)amplifierapplicationnotedescribesauniquearchitecturethatminimizesthedifferentialoutputdistortionandnoise(THD+N).Low-voltagesystemsdrivingloudspeakersoftenemployabridged-amplifierconfigurationthateffectivelydoublesthevoltageswingatthetransducer(s……

Abstract:Thisaudioapplicationnoteidentifiesanddescribesthekeyelementsindesigningadriverforapiezoelectrictransducer(PZT).Therelationshipbetweensourceimpedanceandsoundpressurelevelismeasured,single-ended(S/E)andbridge-tiedload(BTL)drivingschemesarecomparedandtheinputimpedanceofaPZTischaracterized.Maxim>AppNotes>AmplifierandComparatorCircuitsAudioCircuitsKeywords:audiodriver,BTL,bridgetiedload,PZT,piezoelectric,audiotransducerMar26,2002APPLICATIONNOTE988DrivingAudioPiezoelectricTransducersAbstract:Thisaudioapplicationnoteidentifiesanddescribesthekeyelementsindesigningadriverforapiezoelectrictransducer(PZT).Therelationshipbetweensourceimpedanceandsoundpressurelevelismeasured,single-ended(S/E)andbridge-tiedload(BTL)drivingschemesarecomparedandtheinputimpedanceofaPZTischaracterized.Audiblepiezoelectrictransducers(PZTs)areoftenusedaswarningdevicesoralarms.Manufacturersofpiezotransducerspublishcurvesandspecificationsconcerningtheirrespectivedevi……

Abstract:ThisapplicationnoteexaminestheoperationandbenefitsofaClassD(switch-modeandfilterless)audioamplifier.Switch-modeamplifierssuchasthemonoMAX4295andstereofilterlessMAX9701offerhighqualityaudiowithimprovedefficiencywhencomparedtotraditionallinearaudioamplifiers(ClassA,ClassB,andClassAB).ThisapplicationnotepresentsanoverviewoftraditionallinearaudioamplifierdesignsandthencomparesthemwithClassDamplifierdesign.ThebenefitsofnewerClassGamplifiersareacknowledged.ThearticleshowsefficiencycalculationsandoutputfilterdesignforClassDamplifiers.ThehighefficiencyofClassDamplifiersisdemonstratedwiththeMAX9701.Maxim>AppNotes>AmplifierandComparatorCircuitsAudioCircuitsKeywords:audioamplifier,speakerdriver,BTL,bridge-tiedload,switchingaudio,ClassD,PWM,switch-mode,H-bridge,efficiencySep20,2010APPLICATIONNOTE1760High-EfficiencyClassDAudioAmplifiersExtendBatteryLifeinPortableApplicationsAbstract:ThisapplicationnoteexaminestheoperationandbenefitsofaClassD(switch-modeandfilterless)audioamplifier.Switch-modeamplifierssuchasthemonoMAX4295andstereofilterlessMAX9701offerhighqualityaudiowithimprovedefficiencywhencomparedtotraditionallinearaudioamplifiers(ClassA,ClassB,andClassAB).ThisapplicationnotepresentsanoverviewoftraditionallinearaudioamplifierdesignsandthencomparesthemwithClassDampli……

摘要：本应用笔记探讨D类（开关模式和滤波器）音频放大器的运作和效益。如MAX4295单声道和立体声滤波器MAX9701与提高工作效率提供高品质的音频相比，传统的线性音频放大器（A类，B类，AB类）时，开关模式放大器。本应用笔记介绍了传统的线性音频放大器设计概述，然后比较他们与D类放大器设计。新的G类放大器的优点是公认的。文章显示效率的计算和D类放大器的输出滤波器的设计。D类放大器的高效率表现与MAX9701。Maxim>AppNotes>AmplifierandComparatorCircuitsAudioCircuitsKeywords:audioamplifier,speakerdriver,BTL,bridge-tiedload,switchingaudio,ClassD,PWM,switch-mode,H-bridge,efficiencySep20,2010APPLICATIONNOTE1760High-EfficiencyClassDAudioAmplifiersExtendBatteryLifeinPortableApplicationsAbstract:ThisapplicationnoteexaminestheoperationandbenefitsofaClassD(switch-modeandfilterless)audioamplifier.Switch-modeamplifierssuchasthemonoMAX4295andstereofilterlessMAX9701offerhighqualityaudiowithimprovedefficiencywhencomparedtotraditionallinearaudioamplifiers(ClassA,ClassB,andClassAB).ThisapplicationnotepresentsanoverviewoftraditionallinearaudioamplifierdesignsandthencomparesthemwithClassDampli……

摘要：此音频应用笔记识别和描述为压电陶瓷（PZT）驱动程序设计的关键要素。源阻抗和声压级之间的关系进行测量，单端（S/E）和桥接负载（BTL）驾驶的方案进行比较和一个压电陶瓷的输入阻抗的特点。Maxim>AppNotes>AmplifierandComparatorCircuitsAudioCircuitsKeywords:audiodriver,BTL,bridgetiedload,PZT,piezoelectric,audiotransducerMar26,2002APPLICATIONNOTE988DrivingAudioPiezoelectricTransducersAbstract:Thisaudioapplicationnoteidentifiesanddescribesthekeyelementsindesigningadriverforapiezoelectrictransducer(PZT).Therelationshipbetweensourceimpedanceandsoundpressurelevelismeasured,single-ended(S/E)andbridge-tiedload(BTL)drivingschemesarecomparedandtheinputimpedanceofaPZTischaracterized.Audiblepiezoelectrictransducers(PZTs)areoftenusedaswarningdevicesoralarms.Manufacturersofpiezotransducerspublishcurvesandspecificationsconcerningtheirrespectivedevi……

摘要：此音频桥接负载（BTL）的放大器应用笔记描述了一个独特的体系结构，最小差分输出失真及噪声（THD+N）的。Maxim>DesignSupport>AppNotes>AmplifierandComparatorCircuits>APP1122Maxim>DesignSupport>AppNotes>AudioCircuits>APP1122Keywords:audiobridgedamplifier,BTL,audioamplifier,THD+N,bridgedtiedload,lownoise,differentialoutputdriveJun24,2002APPLICATIONNOTE1122OptimizingAudioBridgedTiedLoadAmplifiersAbstract:Thisaudiobridge-tiedload(BTL)amplifierapplicationnotedescribesauniquearchitecturethatminimizesthedifferentialoutputdistortionandnoise(THD+N).Low-voltagesystemsdrivingloudspeakersoftenemployabridged-amplifierconfigurationthateffectivelydoublesthevoltageswingatthetransducer(s……

TDA7057AQ为飞利浦公司生产的BTL立体声音频功率放大器内部具有两路按对数曲线变化的直流音量控制电路可实现两路音频信号放大的单独调整……