Texas Instruments TPA102 MSOP - Manuals

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Manual Texas Instruments TPA102 MSOP

Summary

Page 3 - Preface; How to Use This Manual; This document contains the following chapters:; Related Documentation From Texas Instruments; This book may contain 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—Quick Start - Chapter 3—Details Related Documentation From Texas Instruments - TI Plug-N-Play Audio Amplifier Evaluation Platform (literature numberSLOU011) provides...

Page 4 - FCC Warning

Running Title—Attribute Reference iv FCC Warning This equipment is intended for use in a laboratory test environment only. Itgenerates, uses, and can radiate radio frequency energy and has not beentested for compliance with the limits of computing devices pursuant to subpartJ of part 15 of FCC rules...

Page 5 - Contents; Introduction

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

Page 6 - Figures

Running Title—Attribute Reference vi Figures 1–1 The TI TPA102 MSOP Audio Amplifier Evaluation Module 1-4 . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 Quick Start Platform Map 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2...

Page 7 - Topic; Chapter 1

1-1 Introduction Introduction This chapter provides an overview of the Texas Instruments (TI) TPA102MSOP audio amplifier evaluation module (SLOP125). It includes a list of EVMfeatures, a brief illustrated description of the module, and a list of EVMspecifications. Topic Page 1.1 Features 1–2 . . . ....

Page 9 - Description; Figure 1–1. The TI TPA102 MSOP Audio Amplifier Evaluation Module; TPA102 MSOP EVM Specifications; Supply voltage range, V; Audio input voltage, V; Minimum load impedance, R

Description 1-3 Introduction 1.2 Description The TPA102 MSOP audio power amplifier evaluation module is a complete,low-power stereo audio power amplifier for high-fidelity line-level output,headphone, and small speaker applications. It consists of the TI TPA102150-mW stereo audio power amplifier IC ...

Page 11 - Quick Start; Chapter 2

2-1 Quick Start Quick Start The steps in this chapter can be followed to quickly prepare the TPA102 MSOPaudio amplifier EVM for use. Using the TPA102 MSOP EVM with the TIplug-n-play audio amplifier evaluation platform is a quick and easy way toconnect power, signal and control inputs, and signal out...

Page 12 - Power Supply Input Polarity and Maximum Voltage; power; Quick Start Platform Map

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; Power supply; Inputs and outputs

Quick Start List for Platform 2-3 Quick Start 2.2 Quick Start List for Platform Follow these steps when using the TPA102 MSOP 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 areshown ...

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 TPA102 MSOP EVM stand-alone or whenconnecting it into existing circuits or equipment. Connections to the TPA102MSOP module 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 TPA102 IC, the evaluation module, thesteps in the Quick-Start List, additional application information, and a parts listfor the TPA102 MSOP evaluation module. 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 - The TPA102 MSOP Audio Power Amplifier Evaluation Module; Figure 3–3. TPA102 MSOP EVM Schematic Diagram

The TPA102 MSOP Audio Power Amplifier Evaluation Module 3-3 Details 3.2 The TPA102 MSOP Audio Power Amplifier Evaluation Module The TPA102 MSOP audio power amplifier evaluation module is powered bya TPA102 150-mW stereo audio amplifier IC. It includes a shutdown controlsignal input with onboard swit...

Page 18 - TPA102 Audio Amplifier IC; speakers with low

The TPA102 MSOP Audio Power Amplifier Evaluation Module 3-4 Details 3.2.1 TPA102 Audio Amplifier IC The TPA102 audio amplifier IC is a CMOS device intended primarily forhigh-performance line-level output, headphone driver, and small speakerapplications. It is supplied in a very small surface-mount M...

Page 19 - Module Gain; Gain; Shutdown

The TPA102 MSOP Audio Power Amplifier Evaluation Module 3-5 Details 3.2.2 Module Gain The TPA102 MSOP evaluation module has a set gain of 4 (inverting) for eachchannel. However, the gain can be adjusted to a maximum of approximately10 (inverting) by changing the value of feedback resistors (R2 and R...

Page 20 - Using the TPA102 MSOP EVM With the Plug-N-Play Evaluation Platform; Installing and Removing EVM Boards; EVM Insertion

Using the TPA102 MSOP EVM With the Plug-N-Play Evaluation Platform 3-6 Details 3.3 Using the TPA102 MSOP EVM With the Plug-N-Play Evaluation Platform The TPA102 MSOP audio amplifier evaluation module is designed for use withthe TI plug-n-play audio amplifier evaluation platform. It simply plugs into...

Page 21 - Signal Routing; Figure 3–5. Platform Signal Routing and Outputs

Using the TPA102 MSOP EVM With the Plug-N-Play Evaluation Platform 3-7 Details 3.3.2 Signal Routing Signal flow on the platform is controlled by two signal routing switches, asshown in Figure 3 – 5. Figure 3–5. Platform Signal Routing and Outputs U1 Signal Conditioning On Off U5 TPA102 MSOP Headphon...

Page 22 - , the TPA102 amplifier IC on the module ceases; resistor (R3), depending on whether or not a plug is inserted; Figure 3–6. Shutdown Polarity Control; is applied to the module SD pin.

Using the TPA102 MSOP EVM With the Plug-N-Play Evaluation Platform 3-8 Details 3.3.3 Shutdown The TPA102 MSOP EVM is equipped with a shutdown control input pin. Whenthis input is tied to V DD , the TPA102 amplifier IC on the module ceases operation and enters an ultralow-power state. When the EVM sh...

Page 23 - Power Requirements

Using the TPA102 MSOP EVM With the Plug-N-Play Evaluation Platform 3-9 Details 3.3.4 Power Requirements The TPA102 MSOP audio power amplifier evaluation module can operatefrom a V DD voltage between approximately 2.5 V and 5.5 V. The TI plug-n-play audio amplifier evaluation platform with a voltage ...

Page 24 - Inputs and Outputs; Inputs; Figure 3–7. Typical Headphone Plug

Using the TPA102 MSOP EVM With the Plug-N-Play Evaluation Platform 3-10 Details 3.3.5 Inputs and Outputs The TI plug-n-play audio amplifier evaluation platform is equipped with severalstandard conectors for audio inputs and outputs. 3.3.5.1 Inputs In most cases, audio signals enter the platform thro...

Page 25 - Using the TPA102 MSOP EVM Stand-Alone; TPA102 MSOP EVM Connected as a Stereo Headphone Amplifier

Using the TPA102 MSOP EVM Stand-Alone 3-11 Details 3.4 Using the TPA102 MSOP EVM Stand-Alone Using the TPA102 MSOP audio power amplifier evaluation modulestand-alone is much the same as using it with the platform. The same 2.5-Vto 5.5-V power supply requirement exists. Note that the shutdown signal ...

Page 26 - TPA102 MSOP Audio Power Amplifier Evaluation Module Parts List; Table 3–1. TPA102 MSOP EVM Parts List

TPA102 MSOP Audio Power Amplifier Evaluation Module Parts List 3-12 Details 3.5 TPA102 MSOP Audio Power Amplifier Evaluation Module Parts List Table 3–1. TPA102 MSOP EVM Parts List Ref. Description Size EVM Qty. Manufacturer/ Part Number Vendor/Number C1, C2,C3, C5 Capacitor, 1 µ F, 80%/–20%,Non-pol...