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Texas Instruments manual Users Guide, TPA005D12 ClassD Stereo Audio Power Amplifier, August

Models: TPA005D12

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TPA005D12 ClassD Stereo

Audio Power Amplifier

Evaluation Module

User's Guide

August 1999

Mixed-Signal Products

SLOU051A

Page 1

Image 1

Texas Instruments manual Users Guide, TPA005D12 ClassD Stereo Audio Power Amplifier, Evaluation Module, August

Contents

Mixed-SignalProducts TPA005D12 ClassD Stereo Audio Power AmplifierUsers Guide Evaluation ModuleIMPORTANT NOTICE Related Documentation From Texas Instruments PrefaceFCC Warning TrademarksPage Contents Tables FiguresChapter IntroductionPage TopicIntroduction 1.1 Feature HighlightsDescription 1.2 Description1.3.1Maximum 1.3 TPA005D12 Class-DEVM Specifications1.3.2 Typical IntroductionPrecautions Quick StartChapter Page2.1 Precautions Power supply 2.2 Quick Start List for PlatformPower up Platform Preparations2.3 Quick Start List for Stand-Alone Chapter DetailsPage TopicDetails 3.1 PrecautionsDetails Figure 3±2. The TI TPA005D12 Class-DStereo Audio Power Amplifier EVM Ð Top View Details 3.2.1TPA005D12 Class-DStereo Audio Amplifier ICFigure 3±5. Class-DFunctional Diagram 3.2.2Overview of Class-DAudio AmplifiersDetails Figure 3±6. Class-DInput and Output Waveforms 3.2.3Bridge-TiedLoad BTL OperationDetails 3.2.4Class-DDifferential Inputs 3.2.5Control and Indicator CircuitsFAULT FAULTTable 3±2. TPA005D12 Class-DEVM Test Points 3.2.6TPA005D12 Class-DEVM Test PointsDetails Details 3.3 Class-DAmplifier Design Considerations3.4.1.1EVM Insertion 3.4.1Installing and Removing EVM Boards3.4.1.2EVM Removal Details3.4.2.2S2 Ð Mute Switch 3.4.2Module Switches3.4.2.1S1 Ð Shutdown DetailsFigure 3±7. Platform Signal Routing and Outputs 3.4.3Signal RoutingDetails Figure 3±8. Mute/Mode and Polarity Control 3.4.4ShutdownDetails 3.4.4.3Mute/Mode Polarity Select JP8 3.4.4.2Mute/Mode Select JP6Details Power Requirements 3.4.5Power RequirementsDetails Figure 3±9. Typical Headphone Plug 3.4.6Inputs and OutputsDetails Monitor Details3.5.2Input Connections 3.5.4Controls and Indicators3.5.3Output Connections Using The TPA005D12 Class-DEVM Stand-AloneDetails TPA005D12 Class-DEVM Performance CharacteristicsVOLTAGE AMPLIFICATION FREQUENCYvs OUTPUT POWER OUTPUT POWERTOTAL HARMONIC DISTORTION PLUS NOISE TOTAL HARMONIC DISTORTION PLUS NOISEVDD = FREQUENCY CROSSTALKCROSSTALK FREQUENCYDetails 3.7 TPA005D12 Class-DEVM InterconnectsTPA005D12 Class-DEVM Interconnects Table 3±5. TPA005D12 Class-DEVM Bill of Materials 3.8 TPA005D12 Class-DEVM Bill of MaterialsDetails TPA005D12 Class-DEVM Bill of MaterialsTPA005D12 Class-DEVM Schematic 3.9 TPA005D12 Class-DEVM SchematicDetails Figure 3±19. TPA005D12 Class-DEVM Top Assembly 3.10 TPA005D12 Class-DEVM PCB LayersFigure 3±20. TPA005D12 Class-DEVM Bottom Assembly DetailsFigure 3±22. TPA005D12 Class-DEVM Second Layer Figure 3±21. TPA005D12 Class-DEVM Top LayerDetails TPA005D12 Class-DEVM PCB LayersFigure 3±24. TPA005D12 Class-DEVM Bottom Layer Figure 3±23. TPA005D12 Class-DEVM Third LayerDetails TPA005D12 Class-DEVM PCB LayersDetails

TPA005D12 Class￿D Stereo

Evaluation Module

User's Guide

August 1999

Mixed-Signal Products

SLOU051A

TPA005D12 ClassD Stereo