Texas Instruments TPA0202 - Manuals

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Manual Texas Instruments TPA0202

Summary

Page 3 - Preface; Related Documentation From Texas Instruments; TI is a trademark of Texas Instruments Incorporated.

iii Chapter Title—Attribute Reference Preface 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 TPA0202 STEREO 2-W AUDIO ...

Page 4 - PIC

If You Need Assistance iv If You Need Assistance. . . If you want to. . . Do this. . . Request more information aboutTexas Instruments mixed signalproducts Call the PIC † hotline: (972) 644–5580 Or send a fax to the PIC:(972) 480–7800 Or write to:Texas Instruments IncorporatedProduct Information Cen...

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 TPA0202 Audio Amplifier Evaluation Module 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 Quick Start Platform Map 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Page 7 - This chapter provides an overview of the Texas Instruments (TI; Topic; Chapter 1

1-1 Introduction Introduction This chapter provides an overview of the Texas Instruments (TI  ) TPA0202 Audio Amplifier Evaluation Module (SLOP202). It includes a list of EVMfeatures, a brief description of the module illustrated with a pictorial diagram,and a list of EVM specifications. Topic Page...

Page 9 - Description; inches by 1; Figure 1–1. The TI TPA0202 Audio Amplifier Evaluation Module

Description 1-3 Introduction 1.2 Description The TPA0202 Stereo 2-W Audio Power Amplifier Evaluation Module is acomplete, 2-Watt per channel stereo audio power amplifier. It consists of theTI TPA0202 Stereo 2-W Audio Power Amplifier IC along with a small numberof other parts mounted on a circuit boa...

Page 11 - Quick Start; Chapter 2

2-1 Quick Start Quick Start The steps in this chapter can be followed to quickly prepare the TPA0202 audioamplifier EVM for use. Using the TPA0202 with the TI Plug-N-Play AudioAmplifier Evaluation Platform is a quick and easy way to connect power, signaland control inputs, and signal outputs to the ...

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; Table 2–3. Platform Jumper and Switch Settings for the TPA0202

Quick Start List for Platform 2-3 Quick Start 2.2 Quick Start List for Platform Follow these steps when using the TPA0202 EVM with the TI Plug-N-Play Au-dio Amplifier Evaluation Platform (see the platform user’s guide, SLOU011, foradditional details). Numbered callouts for selected steps are shown i...

Page 14 - Table 2–4. Typical TPA0202 EVM Jumper Settings

Quick Start List for Platform 2-4 Quick Start - Evaluation Module Preparations Figure 2–2. Module Preparation GND ROUT+ HP/L* ROUT– SE/BTL* S7 MUTE GND LOUT– LOUT+ S2 C5 C4 R1 R3 C1 C2 C12 LVDD GND R5 GND GND LIN LHP C3 R4 R2 C10 C9 RVDD GND C8 R9 R7 R10 R8 C7 C6 RHP RIN GND GND R12 R13 S3 S4 S5 S6 ...

Page 15 - Quick Start List for Stand-Alone; Quick Start Module Map; Power supply; ) Ensure that all external power sources are set to; Inputs and outputs

Quick Start List for Stand-Alone 2-5 Quick Start 2.3 Quick Start List for Stand-Alone Follow these steps to use the TPA0202 EVM stand-alone or when connectingit into existing circuits or equipment. Connections to the TPA0202 moduleheader pins can be made via individual sockets, wire-wrapping, or sol...

Page 17 - Details; Chapter 3

3-1 Details Details This chapter provides details on the TPA0202 IC, the evaluation module, andthe steps in the Quick-Start List, additional application information, and a partslist for the TPA0202 evaluation module. Topic Page 3.1 Precautions 3–2 . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 18 - 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 19 - The TPA0202 Audio Power Amplifier Evaluation Module; loads. The amplifier IC can be operated

The TPA0202 Audio Power Amplifier Evaluation Module 3-3 Details 3.2 The TPA0202 Audio Power Amplifier Evaluation Module The TPA0202 Audio Power Amplifier Evaluation Module is powered by aTPA0202 stereo power amplifier capable of delivering greater than 2 W ofcontinuous power per channel into 3- Ω lo...

Page 20 - Figure 3–3. TPA0202 EVM Schematic Diagram

The TPA0202 Audio Power Amplifier Evaluation Module 3-4 Details Figure 3–3. TPA0202 EVM Schematic Diagram GND/HS GND/HS S2 NC NC ROUT+ LOUT+ RLINE IN LLINE IN HP/LINE MUTE OUT ROUT– LOUT– SE/BTL MUTE IN GND/HS GND/HS RHP IN LHP IN RBYPASS LBYPASS RVDD LVDD NC SHUTDOWN 10 9 12 11 6 5 8 7 2 1 4 3 23 2...

Page 21 - Depop Circuitry; NOT to system

The TPA0202 Audio Power Amplifier Evaluation Module 3-5 Details Figure 3–4. TPA0202 Amplifier IC MUX MUX SE/BTL MUX The IC includes two separate amplifier channels, each of which can operatein either the bridged-tied load (BTL) mode or the single-ended mode asselected by the SE/BTL pin. In the BTL m...

Page 22 - SIngle-Ended Operation

The TPA0202 Audio Power Amplifier Evaluation Module 3-6 Details 3.2.4 SIngle-Ended Operation For single-ended operation, the module SE/BTL control input pin must be heldhigh. The speaker (or headphone) load is connected to the module OUT+output pin through a coupling capacitor, and to platform/syste...

Page 23 - Using The TPA0202 EVM With the Plug-N-Play Evaluation Platform; Installing and Removing EVM Boards; EVM Insertion; ) Remove all power from the evaluation platform.; ) Remove all power from the evaluation platform.

Using The TPA0202 EVM With the Plug-N-Play Evaluation Platform 3-7 Details 3.3 Using The TPA0202 EVM With the Plug-N-Play Evaluation Platform The TPA0202 Audio Amplifier Evaluation Module was designed to be usedwith the TI Plug-N-Play Audio Amplifier Evaluation Platform. It simply plugsinto socket U...

Page 24 - TPA0202 Module Jumper Settings and Switches; OFF means that no shunt is installed on the jumper. See Figure; Figure 3–5. TPA0202 EVM Jumpers and Switches

Using The TPA0202 EVM With the Plug-N-Play Evaluation Platform 3-8 Details 3.3.2 TPA0202 Module Jumper Settings and Switches The TPA0202 EVM is equipped with several pushbutton SPST switches andjumpers that act as SPST switches to allow module operation to be modifiedto suit various requirements. In...

Page 25 - S1 — Shutdown Jumper; , so that when S3 is ON, the headphone inputs are selected. When S3 is; S4 — Output Mode Jumper

Using The TPA0202 EVM With the Plug-N-Play Evaluation Platform 3-9 Details 3.3.2.1 S1 — Shutdown Jumper To have the module amplifier IC enter the shutdown mode when the modulemute control input is activated, set shutdown jumper S1 to ON. The mute control output pin on the TPA0202 amplifier IC follow...

Page 26 - power supply line to the RV

Using The TPA0202 EVM With the Plug-N-Play Evaluation Platform 3-10 Details 3.3.2.5 S5 — VDD Bridge Jumper Jumper S5 connects the module LV DD power supply line to the RV DD power supply line. When the TPA0202 EVM is plugged into the platform, both VDDsupplies are sourced from the same platform powe...

Page 27 - Signal Routing; Figure 3–6. Platform Signal Routing and Outputs

Using The TPA0202 EVM With the Plug-N-Play Evaluation Platform 3-11 Details 3.3.3 Signal Routing Signal flow on the platform is controlled by two signal routing switches, asshown in Figure 3 – 5. Figure 3–6. Platform Signal Routing and Outputs U1 Signal Conditioning On Off U5 Stereo Headphone Amplif...

Page 28 - Headphone Jack Control Signals; Figure 3–7. Mute/Mode and Polarity Control

Using The TPA0202 EVM With the Plug-N-Play Evaluation Platform 3-12 Details 3.3.4 Mute/Mode The TPA0202 EVM is equipped with a mute control input pin. When this inputis tied to V DD , the TPA0202 amplifier IC on the module enters the mute mode and dissipates very little power. When the EVM control i...

Page 29 - MUTE

Using The TPA0202 EVM With the Plug-N-Play Evaluation Platform 3-13 Details 3.3.4.2 Mute/Mode Select (JP6) A 3-pin jumper header (JP6) on the platform, functioning as an SPDT switch,routes the control signal from the headphone jack to either the mute controlinput pin or the mode control input pin of...

Page 30 - Power Requirements

Power Requirements 3-14 Details 3.3.5 Power Requirements The TPA0202 Audio Power Amplifier Evaluation Module can operate from anyvoltage between approximately 3 V and 5.5 V; however, the TPA0202 amplifierIC on the module is characterized for operation at 3.3 V and 5 V. For bestperformance (highest o...

Page 31 - Inputs and Outputs; Inputs; Figure 3–8. Typical Headphone Plug

Inputs and Outputs 3-15 Details 3.3.6 Inputs and Outputs The TI Plug-N-Play Audio Amplifier Evaluation Platform is equipped withseveral standard conectors for audio inputs and outputs. 3.3.6.1 Inputs In most cases, audio signals enter the platform through either a pair of RCAphono jacks (J3 and J5) ...

Page 32 - Using The TPA0202 EVM Stand-Alone; TPA0202 EVM Connected for BTL Output; Figure 3–9. TPA0202 EVM Connected for Stereo BTL Output

Using The TPA0202 EVM Stand-Alone 3-16 Details 3.4 Using The TPA0202 EVM Stand-Alone Using the TPA0202 Audio Power Amplifier Evaluation Module stand-alone ismuch the same as using it with the platform. The same 3-V to 5.5-V powersupply range and the isolated OUT+ and OUT– lines for BTL operationrequ...

Page 33 - TPA0202 EVM Connected for Single-Ended Output; Figure 3–10. TPA0202 EVM Connected for Stereo Single-Ended Output

Using The TPA0202 EVM Stand-Alone 3-17 Details 3.4.2 TPA0202 EVM Connected for Single-Ended Output Figure 3–10. TPA0202 EVM Connected for Stereo Single-Ended Output 5 V 33 µ F – 1000 µ F + + 33 µ F – 1000 µ F Audio Input (Right) Audio Input (Left) GND ROUT+ HP/L* ROUT– SE/BTL* S7 MUTE GND LOUT– LOUT...

Page 34 - TPA0202 Audio Power Amplifier Evaluation Module Parts List

TPA0202 Audio Power Amplifier Evaluation Module Parts List 3-18 Details 3.5 TPA0202 Audio Power Amplifier Evaluation Module Parts List Table 3–1. TPA0202 EVM Parts List Ref. Description Size EVM Qty. Manufacturer/ Part Number Digi-Key Number C1, C2,C6, C7 Capacitor, 1 µ F, 80%/–20%, nonpolarized 120...