Texas Instruments TPA2008D2 - Manuals

Page 5 - Preface; How to Use This Manual; Information About Cautions and Warnings; This is an example of a caution statement.

iii Read This First Preface How to Use This Manual This document contains the following chapters: - Chapter 1—Introduction - Chapter 2—Operation - Chapter 3—Reference Information About Cautions and Warnings This book may contain cautions and warnings. This is an example of a caution statement. A cau...

Page 6 - Related Documentation From Texas Instruments

Running Title—Attribute Reference iv Related Documentation From Texas Instruments J TI Plug-N-Play Audio Amplifier Evaluation Platform (literaturenumber SLOU011) provides detailed information on the evaluationplatform and its use with TI audio evaluation modules. J TPA2008D2 3-W STEREO CLASS-D AUDIO...

Page 7 - Contents; Introduction

Running Title—Attribute Reference v Chapter Title—Attribute Reference Contents 1 Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Feature Highlights 1-2 . . . . . . . . . . . . . . . . . . ....

Page 8 - Figures

Running Title—Attribute Reference vi Figures 1–1 The TI TPA2008D2 Audio Amplifier EVM Without Output Filter — Top View 1-3 . . . . . . . . . . . 1–2 The TI TPA2008D2 Audio Amplifier EVM Without Output Filter — Bottom View 1-3 . . . . . . . . 2–1 Quick Start Platform Map 2-2 . . . . . . . . . . . . ....

Page 9 - Topic; Chapter 1

1-1 Introduction This chapter provides an overview of the Texas Instruments (TI) TPA2008D2stereo filter-free class-D audio amplifier evaluation module (SLOP392). Itincludes a list of EVM features, a brief illustrated description of the module, anda list of EVM specifications. Topic Page 1.1 Feature ...

Page 11 - Description

Description 1-3 Introduction 1.2 Description The TPA2008D2 filter-free class-D stereo audio power amplifier evaluationmodule is a complete, 3-W per channel class-D stereo audio power amplifierthat can operate without an output filter. It consists of the TI TPA2008D2class-D stereo 3-W audio power amp...

Page 13 - Operation; Chapter 2

2-1 Operation Operation The steps in this chapter can be followed to quickly prepare the TPA2008D2stereo filter-free class-D audio amplifier EVM for use. Using the TPA2008D2with the TI plug-n-play audio amplifier evaluation platform is a quick and easyway to connect power, signal and control inputs,...

Page 14 - Power Supply Input Polarity and Maximum Voltage; power; Figure 2–1. Quick Start Platform Map

Precautions 2-2 Operation 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 to...

Page 15 - Quick Start List for Platform; Platform preparations; Table 2–2. Platform Jumper and Switch Settings for the TPA2008D2; Power supply; Inputs and outputs

Quick Start List for Platform 2-3 Operation 2.2 Quick Start List for Platform Follow these steps when using the TPA2008D2 EVM with the TI plug-n-playaudio amplifier evaluation platform (see the platform user’s guide, literaturenumber SLOU011, for additional details). Numbered callouts for selectedst...

Page 16 - Evaluation Module Preparations; Figure 2–2. Module Preparation; Power Up; Quick Start List for Stand-Alone

Quick Start List for Stand-Alone 2-4 Operation - Evaluation Module Preparations 11) Use potentiometer R3 to set the volume. Turning R3 in the clockwise direction will increase the volume. See Table 3–1 for voltage levels on theVOLUME pin and corresponding gain settings. 12) If using an external DAC,...

Page 19 - Power Requirements

Power Requirements 2-7 Operation 2.4 Power Requirements The TPA2008D2 audio power amplifier evaluation module can operate fromany voltage between approximately 4.5 V and 5.5 V; however, the TPA2008D2amplifier IC on the module is characterized for operation at 5 V. For bestperformance (highest output...

Page 21 - Reference; Chapter 3

3-1 Reference Reference This chapter contains the EVM schematic, PCB layers, parts list, and dcvolume control table. Topic Page 3.1 TPA2008D2 EVM Schematic 3–2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2 TPA2008D2 EVM PCB Layers 3–3 . . . . . . . . . . . . . . . . . ....

Page 22 - Figure 3–1. TPA2008D2 Filter-Free Class-D EVM Schematic Diagram

TPA2008D2 EVM Schematic 3-2 Reference 3.1 TPA2008D2 EVM Schematic Figure 3–1. TPA2008D2 Filter-Free Class-D EVM Schematic Diagram 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 LINN LINP SHUTDOWN PVDD LOUTP PGND PGND LOUTN PVDD COSC ROSC AGND RINN RINP BYPASS PVDD ROUTP PGND PGND ROU...

Page 25 - Table 3–2. DC Volume Control

DC Volume Table 3-5 Reference 3.4 DC Volume Table Table 3–2. DC Volume Control Voltage on VOLUME Pin (V) (Increasing or Fixed Gain) Voltage on VOLUME Pin (V) (Decreasing Gain) Gain of Amplifier (dB) 0–0.34 0.31–0 –38 0.34–0.42 0.43–0.32 –37 0.43–0.52 0.54–0.44 –35 0.53–0.63 0.64–0.55 –33 0.64–0.75 0...