Page 3 - Preface; Related Documentation From Texas Instruments
iii Chapter Title—Attribute Reference Preface Related Documentation From Texas Instruments J TI Plug-N-Play Audio Amplifier Evaluation Platform (TI LiteratureNumber SLOU011) provides detailed information on the evaluationplatform and its use with TI audio evaluation modules. J TPA032D03 CLASS-D AUDI...
Page 5 - Contents; Introduction
Running Title—Attribute Reference v Chapter Title—Attribute Reference Contents 1 Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Feature Highlights 1-2 . . . . . . . . . . . . . . . . . . ....
Page 6 - Figures
Running Title—Attribute Reference vi Figures 1–1 The TI TPA032D03 Mono Class-D Audio Power Amplifier EVM — Top View 1-3 . . . . . . . . . . 1–2 The TI TPA032D03 Mono Class-D Audio Power Amplifier EVM — Bottom View 1-3 . . . . . . . 2–1 Quick Start Platform Map 2-2 . . . . . . . . . . . . . . . . . ....
Page 7 - Topic; Chapter 1
1-1 Introduction Introduction This chapter provides an overview of the Texas Instruments (TI) TPA032D03mono class-D audio power amplifier evaluation module (SLOP310). Itincludes a list of EVM features, a brief description of the module illustrated witha pictorial diagram, and a list of EVM specifica...
Page 9 - Description; Figure 1–1. The TI TPA032D03 Mono Class-D Audio Power Amplifier EVM —; Figure 1–2. The TI TPA032D03 Mono Class-D Audio Power Amplifier EVM —
Description 1-3 Introduction 1.2 Description The TPA032D03 mono class-D audio power amplifier evaluation module is acomplete, 10-W mono audio power amplifier. It consists of the TI TPA032D03mono class-D audio power amplifier IC along with a small number of otherparts mounted on a circuit board that ...
Page 10 - TPA032D03 Class-D EVM Specifications; Maximum
TPA032D03 Class-D EVM Specifications 1-4 Introduction Single in-line header pins extend from the underside of the module circuitboard to allow the EVM to either be plugged into the TI plug-n-play audioamplifier evaluation platform, or to be wired directly into existing circuits andequipment when use...
Page 11 - Quick Start; Chapter 2
2-1 Quick Start Quick Start Follow the steps in this chapter to quickly prepare the TPA032D03 monoclass-D audio amplifier EVM for use. Using the TPA032D03 class-D EVM withthe TI plug-n-play audio amplifier evaluation platform is a quick and easy wayto connect power, signal and control inputs, and si...
Page 12 - Power Supply Input Polarity and Maximum Voltage; power
Precautions 2-2 Quick Start 2.1 Precautions Power Supply Input Polarity and Maximum Voltage Always ensure that the polarity and voltage of the external powerconnected to V CC power input connector J1, J2, and/or V DD power input connector J6 are correct. Overvoltage or reverse-polaritypower applied ...
Page 13 - Quick Start List for Platform; Platform Preparations; Table 2–2. Platform Jumper and Switch Settings for the TPA032D03; Power supply
Quick Start List for Platform 2-3 Quick Start 2.2 Quick Start List for Platform Follow these steps when using the TPA032D03 class-D EVM with the TIplug-n-play audio amplifier evaluation platform (see the platform user’s guide,SLOU011, for additional details). Numbered callouts for selected steps are...
Page 14 - Quick Start List for Stand-Alone
Quick Start List for Stand-Alone 2-4 Quick Start 2.3 Quick Start List for Stand-Alone Follow these steps to use the TPA032D03 class-D EVM stand-alone or toconnect it into existing circuits or equipment. Connections to the TPA032D03module header pins can be made via individual sockets, wire-wrapping,...
Page 15 - Details; Chapter 3
3-1 Details Details This chapter provides details on the TPA032D03 IC evaluation module, a partslist for the TPA032D03 class-D evaluation module, and module PCB layerillustrations. Topic Page 3.1 Precautions 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 16 - Figure 3–1. The TI Plug-N-Play Audio Amplifier Evaluation Platform
Precautions 3-2 Details 3.1 Precautions Power Supply Input Polarity and Maximum Voltage Always ensure that the polarity and voltage of the external powerconnected to V CC power input connector J1, J2, and/or V DD power input connector J6 are correct. Overvoltage or reverse-polaritypower applied to t...
Page 17 - Plug-N-Play Platform Power Requirements and Connections; MUST NOT exceed
Plug-N-Play Platform Power Requirements and Connections 3-3 Details 3.2 Plug-N-Play Platform Power Requirements and Connections The TPA032D03 mono class-D audio power amplifier evaluation module isdesigned to operate from a supply voltage between 9 V and 14 V. For bestperformance, the module should ...
Page 18 - Inputs; Figure 3–2. Typical Headphone Plug
Plug-N-Play Platform Inputs and Outputs 3-4 Details 3.3 Plug-N-Play Platform Inputs and Outputs The TI plug-n-play audio amplifier evaluation platform is equipped with severalstandard conectors for audio inputs and outputs. 3.3.1 Inputs In most cases, audio signals enter the platform through either ...
Page 19 - Control and Indicator Circuits; Table 3–2. TPA032D03 Class-D EVM Fault Indicator Table
Plug-N-Play Platform Inputs and Outputs 3-5 Details 3.4 Control and Indicator Circuits Three main control circuits are provided with the TPA032D03. The mute circuitgrounds the output of the active amplifier, the mode circuit selects between theclass-D amplifier and the headphone amplifier, and the s...
Page 20 - Module Switches; S1 — Shutdown Switch; S2 — Mute Switch
Plug-N-Play Platform Inputs and Outputs 3-6 Details 3.6 Module Switches The TPA032D03 mono class-D audio amplifier evaluation module is equippedwith two pushbutton switches that allow the module shutdown and mutefunctions to be manually activated. 3.6.1 S1 — Shutdown Switch To have the module amplif...
Page 21 - Using The TPA032D03 Class-D EVM Stand-Alone; Power Connections
Using The TPA032D03 Class-D EVM Stand-Alone 3-7 Details 3.7 Using The TPA032D03 Class-D EVM Stand-Alone Using the TPA032D03 mono class-D audio power amplifier evaluation modulestand-alone is much the same as using it with the platform. The same 9-V to14-V power supply range and the isolated OUT+ and...
Page 22 - Input Connections
Using The TPA032D03 Class-D EVM Stand-Alone 3-8 Details 3.7.2 Input Connections The class-D amplifier input signals can be connected in either of two ways:differential or single-ended. For differential operation, connect the signalsource to the positive and negative inputs (IN+ and IN– module pins)....
Page 23 - TPA032D03 Class-D EVM Bill of Materials; Table 3–4. TPA032D03 Class-D EVM Bill of Materials
TPA032D03 Class-D EVM Bill of Materials 3-9 Details 3.8 TPA032D03 Class-D EVM Bill of Materials The components in the bill of materials (Table 3–4) were selected for theircommon values, availability, and the smallest size available to meet thesecriteria. Table 3–4. TPA032D03 Class-D EVM Bill of Mate...
Page 24 - Figure 3–4. TPA032D03 Class-D EVM Schematic Diagram
TPA032D03 Class-D EVM Schematic 3-10 Details 3.9 TPA032D03 Class-D EVM Schematic The TPA032D03 class-D EVM schematic is shown in Figure 3–4. Figure 3–4. TPA032D03 Class-D EVM Schematic Diagram TPA032D03 S1SD R6100k SD R5100k S2Mute Mute VDD C3 OUTP 11 PGND 12 PGND 13 OUTN 14 OUTN 15 PVDD 16 HPREG 17...
Page 25 - Figure 3–6. TPA032D03 Class-D EVM Bottom Assembly
TPA032D03 Class-D EVM PCB Layers 3-11 Details 3.10 TPA032D03 Class-D EVM PCB Layers The following illustrations depict the TPA032D03 class-D EVM PCB assemblyand layers. These drawings are not to scale. Gerber plots can be obtained fromany TI Sales Office. Figure 3–5. TPA032D03 Class-D EVM Top Assemb...