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Texas Instruments SLOU121 manual Feature Highlights, Introduction

Models: SLOU121

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Feature Highlights

1.1 Feature Highlights

The TI TPA6011A4 audio amplifier evaluation module and the TI plug-n-play audio amplifier evaluation platform include the following features:

-TPA6011A4 stereo 2-W audio power amplifier evaluation module

J Internal depop circuitry to minimize transients in outputs

J Dual channel, bridge-tied load (BTL) or single-ended (SE) operation

J 2 W per channel output power into 3 Ω at 5 V, BTL

JLow current consumption in shutdown mode (20 ∝ A)

JInternal input MUX selects among two sets of stereo inputs

JDC voltage volume control from 20 dB to –40 dB, and –85 dB mute (BTL Mode)

JSE dc voltage volume control proportional to BTL gain setting

JMaximum SE volume control setting via SEMAX terminal

JDifferential stereo inputs

JA fade mode slowly ramps up or down the volume when coming out of or going into shutdown.

-Quick and easy configuration with the TI plug-n-play audio amplifier evaluation platform

JEvaluation module is designed to simply plug into the platform, automatically making all signal, control, and power connections

JPlatform provides flexible power options

JJumpers on the platform select power and module control options

JSwitches on the platform route signals

JPlatform provides quick and easy audio input and output connections

-Platform power options

JExternal 5-V – 15-V DC VCC supply inputs

JExternal regulated VDD supply input

JSocket for onboard 5-V/3.3-V VDD voltage regulator EVM

JOnboard overvoltage and reverse polarity power protection

-Platform audio input and output connections

JLeft and right RCA phono jack inputs

JMiniature stereo phone jack input

JLeft and right RCA phono jack outputs

JLeft and right compression speaker terminal outputs

JMiniature stereo headphone jack output

1-2	Introduction

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Texas Instruments SLOU121 manual Feature Highlights, Introduction

Contents

User’s Guide TPA6011A4 Audio Power Amplifier Evaluation ModuleMixed Signal Products FebruaryIMPORTANT NOTICE EVM IMPORTANT NOTICE EVM WARNINGS AND RESTRICTIONS Information About Cautions and Warnings How to Use This ManualRead This First PrefaceFCC Warning Related Documentation From Texas InstrumentsRelated Documentation From Texas Instruments Contents Tables Figuresviii Page IntroductionChapter Feature Highlights1.1 Feature Highlights Introduction1.2 Description 1.3 TPA6011A4 EVM SpecificationsIntroduction Introduction Chapter Quick StartTable 2–2.Typical TPA6011A4 EVM Jumper Settings Page2.1 Precautions Figure 2-1.Quick Start Platform MapPlatform Preparations 2.2 Quick Start List for PlatformPower Supply Inputs and OutputsPower Up Table 2-4.Typical TPA6011A4 EVM Jumper SettingsFigure 2–2.Module Preparation Figure 2–3.Quick Start Module Map 2.3Quick Start List for Stand-AloneQuick Start Evaluation Module Preparations Power-UpControl Inputs of the EVM is provided to monitor the dc voltage. See Table 3–1for gain settings Quick StartQuick Start Using the TPA6011A4 EVM With the Plug-N-Play DetailsPrecautions Using The TPA6011A4 EVM Stand-Alone3.1 Precautions DetailsFigure 3–2.TPA6011A4 EVM DetailsFigure 3–3.TPA6011A4 EVM Schematic Diagram 3.2.1TPA6011A4 Audio Amplifier ICDetails Figure 3–4.TPA6011A4 Amplifier IC 3.2.3Volume Control3.2.2Inputs and Gain DetailsFigure 3–5.Block Diagram of SE Volume Control DetailsDetails Table 3–1.DC Volume Control BTL Mode, VDD = 5VOLUME PIN GAIN OF AMPLIFIERTable 3-2.DC Volume Control SE Mode, VDD = 3.2.4Differential InputDetails 3.2.7Single-EndedOperation 3.2.5Depop Circuitry3.2.6BTL Operation Details3.3.1.2EVM Removal 3.3.1Installing and Removing EVM Boards3.3.1.1EVM Insertion Details3.3.2.2J1 — Output Mode Jumper Figure 3–6.TPA6011A4 EVM Jumpers and Switches3.3.2.1S1 — Shutdown Switch Details3.3.3Signal Routing Figure 3–7.Platform Signal Routing and Outputs3.3.3.2Headphone Output Jack 3.3.4Mute Shutdown/Mode3.3.3.1Signal Conditioning Details3.3.4.2Mute/Mode Select JP6 3.3.4.1Headphone Jack Control SignalsFigure 3–8.Mute/Mode and Polarity Control 3.3.4.3Mute/Mode Polarity Select JP8Power Requirements 3.3.5Power RequirementsDetails Figure 3–9.Typical Headphone Plug 3.3.6Inputs and OutputsDetails 3.4 Using the TPA6011A4 EVM Stand-Alone 3.4.1TPA6011A4 EVM Connected for BTL Output33 ∝ F – + 1000 ∝ F Audio Input Right Audio Input Left3-18 TPA6011A4 EVM Parts List ReferenceTPA6011A4 EVM Layers and Board Schematic ChapterFigure 4–1.TPA06011A4 EVM Top View 4.1 TPA6011A4 EVM Layers and Board SchematicTPA6011A4 EVM Layers and Board Schematic Figure 4–2.TPA06011A4 EVM Bottom ViewTPA6011A4 EVM Layers and Board Schematic Figure 4–3.TPA06011A4 EVM Schematic DiagramReference Reference 4.2 TPA6011A4 EVM Parts ListTPA6011A4 EVM Parts List Reference