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 TPA0103 3-CHANNEL AUDIO P...
Page 5 - Contents; Introduction
Running Title—Attribute Reference v Chapter Title—Attribute Reference Contents 1 Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Feature Highlights 1-3 . . . . . . . . . . . . . . . . . . ....
Page 6 - Figures
Running Title—Attribute Reference vi Figures 1–1 The TI TPA0103 Audio Amplifier Evaluation Module 1-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 ) TPA0103 Audio Amplifier Evaluation Module (SLOP103). 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 - Feature Highlights
Feature Highlights 1-3 Introduction 1.1 Feature Highlights The TI TPA0103 Audio Amplifier Evaluation Module and the TI Plug-N-PlayAudio Amplifier Evaluation Platform include the following features: - TPA0103 Low-Voltage Audio Power Amplifier Evaluation Module J 535-mW single-ended into 4 Ω at 5 V L/...
Page 10 - Description; Figure 1–1. The TI TPA0103 Audio Amplifier Evaluation Module
Description 1-4 Introduction 1.2 Description The TPA0103 Audio Power Amplifier Evaluation Module is a complete,low-power three-channel audio power amplifier. It consists of the TI TPA01033-Channel Audio Power Amplifier IC along with a small number of other partsmounted on a circuit board that measur...
Page 11 - Quick Start; Chapter 2
2-1 Quick Start Quick Start The steps in this chapter can be followed to quickly prepare the TPA0103 audioamplifier EVM for use. Using the TPA0103 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
Quick Start List for Platform 2-3 Quick Start 2.2 Quick Start List for Platform Follow these steps when using the TPA0103 EVM with the TI Plug-N-PlayAudio Amplifier Evaluation Platform (see the platform user’s guide, SLOU011,for additional details). Numbered callouts for selected steps are shown inF...
Page 14 - Quick Start List for Stand-Alone; Power supply; Table 2–5. TPA0103 EVM Stand-Alone Jumper settings; Inputs and outputs
Quick Start List for Stand-Alone 2-4 Quick Start 2.3 Quick Start List for Stand-Alone Follow these steps to use the TPA0103 EVM stand-alone or connect it intoexisting circuits or equipment. Connections to the TPA0103 module headerpins can be made via individual sockets, wire-wrapping, or soldering t...
Page 15 - Details; Chapter 3
3-1 Details Details This chapter provides details on the TPA0103 IC, the evaluation module, andthe steps in the Quick-Start List, additional application information, and a partslist for the TPA0103 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 TPA0103 Audio Power Amplifier Evaluation Module
The TPA0103 Audio Power Amplifier Evaluation Module 3-3 Details 3.2 The TPA0103 Audio Power Amplifier Evaluation Module The TPA0103 Audio Power Amplifier Evaluation Module is powered by aTPA0103 3-channel audio power amplifier capable of delivering 535 mW ofcontinuous power to each of the left and r...
Page 18 - Figure 3–3. TPA0103 EVM Schematic Diagram
The TPA0103 Audio Power Amplifier Evaluation Module 3-4 Details Figure 3–3. TPA0103 EVM Schematic Diagram GND/HS GND/HS S2 NC NC ROUT+ LOUT+ RLINE IN LLINE IN HP/LINE MUTE OUT COUT– COUT+ MODE A MODE B GND/HS GND/HS RHP IN LHP IN RBYPASS CIN VDD VDD NC SHUTDOWN 10 9 12 11 6 5 8 7 2 1 4 3 23 22 21 20...
Page 19 - Output Modes
The TPA0103 Audio Power Amplifier Evaluation Module 3-5 Details Figure 3–4. TPA0103 Amplifier IC MODE A MODE B SHUTDOWN CNTL MUX MUX CNTL L Line IN L HP IN R Line IN R HP IN C IN C OUT+ C OUT– R OUT+ L OUT+ TPA0103 HP/Line The IC includes three separate amplifier channels: a left and right stereo pa...
Page 20 - Inputs and Gain
The TPA0103 Audio Power Amplifier Evaluation Module 3-6 Details 3.2.3 Inputs and Gain The left and right single-ended channels remain separate from input to output.On the TPA0103 EVM board, the left and right channel inputs are mixed toproduce a monaural representation of the stereo signal and appli...
Page 21 - Using The TPA0103 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 TPA0103 EVM With the Plug-N-Play Evaluation Platform 3-7 Details 3.3 Using The TPA0103 EVM With the Plug-N-Play Evaluation Platform The TPA0103 Audio Amplifier Evaluation Module was designed to be usedwith the TI Plug-N-Play Audio Amplifier Evaluation Platform. It simply plugsinto socket U...
Page 22 - TPA0103 Module Jumper Settings; ON means that
Using The TPA0103 EVM With the Plug-N-Play Evaluation Platform 3-8 Details 3.3.2 TPA0103 Module Jumper Settings The TPA0103 EVM is equipped with several jumpers that act like SPSTswitches to allow module operation to be modified to suit variousrequirements. In the following discussion, setting a jum...
Page 23 - S1 — Shutdown Jumper; regardless of the state of the Mode B module control input.; regardless of the state of the Mode A module control input,
Using The TPA0103 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 TPA0103 amplifier IC goes h...
Page 24 - S3 — Input Select Jumper; , so that when S3 is ON, the headphone inputs are selected. When S3 is; S5 — Autosense Jumper; , and the Mode A control signal will; either jumper S3 or jumper S4 are set to ON.
Using The TPA0103 EVM With the Plug-N-Play Evaluation Platform 3-10 Details 3.3.2.3 S3 — Input Select Jumper To select the line inputs, set input select jumper S3 to OFF. To select theheadphone inputs, set input select jumper S3 to ON. The TPA0103 amplifier IC has two separate inputs for each of the...
Page 25 - Signal Routing; Figure 3–6. Platform Signal Routing and Outputs; F electrolytics) and can
Using The TPA0103 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 26 - Mode Control; Headphone Jack Control Signals; switch in the headphone jack pulls one line or the other up to V; through a; Figure 3–7. Mute/Mode and Polarity Control
Using The TPA0103 EVM With the Plug-N-Play Evaluation Platform 3-12 Details 3.3.4 Mode Control The TPA0103 EVM is equipped with a mode control input pin that receives acontrol signal from the platform. This EVM pin is connected to the amplifier ICMode A output mode control input pin. The state of th...
Page 27 - MODE; When JP6 is open, JP8 settings are ignored.
Using The TPA0103 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 28 - Power Requirements
Power Requirements 3-14 Details 3.3.5 Power Requirements The TPA0103 Audio Power Amplifier Evaluation Module can operate from anyvoltage between approximately 3 V and 5.5 V; however, the TPA0103 amplifierIC on the module is characterized for operation at 3.3 V and 5 V. For bestperformance (highest o...
Page 29 - 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 30 - Using The TPA0103 EVM Stand-Alone; possibly in parallel with a second pulldown resistor (100 k; TPA0103 EVM Connected for Center Channel BTL Output; Figure 3–9. TPA0103 EVM Connected for Center Channel BTL Output
Using The TPA0103 EVM Stand-Alone 3-16 Details 3.4 Using The TPA0103 EVM Stand-Alone Using the TPA0103 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 31 - TPA0103 EVM Connected for Stereo Headphones Output; Figure 3–10. TPA0103 EVM Connected for Stereo Headphones Output
Using The TPA0103 EVM Stand-Alone 3-17 Details 3.4.2 TPA0103 EVM Connected for Stereo Headphones Output Figure 3–10. TPA0103 EVM Connected for Stereo Headphones Output 5 V 33 µ F – 1000 µ F + + 33 µ F – 1000 µ F Audio Input (Right) Audio Input (Left) 5 V Mute GND ROUT+ HP/L* COUT– MODE A SDWN GND CO...
Page 32 - TPA0103 Audio Power Amplifier Evaluation Module Parts List
TPA0103 Audio Power Amplifier Evaluation Module Parts List 3-18 Details 3.5 TPA0103 Audio Power Amplifier Evaluation Module Parts List Table 3–5. TPA0103 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 12...
