Texas Instruments TPA701 - Manuals

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Manual Texas Instruments TPA701

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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 TPA701 700-mW LOW-VOLTAGE...

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 TPA701 MSOP Audio Amplifier Evaluation Module 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 Quick Start Platform Map 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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  ) TPA701 MSOP Audio Amplifier Evaluation Module (SLOP213). 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 9 - Description; Figure 1–1. The TI TPA701 Audio Amplifier Evaluation Module

Description 1-3 Introduction 1.2 Description The TPA701 MSOP Audio Power Amplifier Evaluation Module is a complete,low-power single-channel audio power amplifier. It consists of the TI TPA701700-mW Low-Voltage Audio Power Amplifier IC in a very small MSOPpackage, along with a small number of other p...

Page 10 - TPA701 EVM Specifications; Supply voltage range, V; Audio input voltage, V

TPA701 EVM Specifications 1-4 Introduction 1.3 TPA701 EVM Specifications Supply voltage range, V DD 2.5 V to 5.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Supply current, I DD 450 mA, max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 11 - Quick Start; MSOP EVM; Chapter 2

2-1 Quick Start Quick Start The steps in this chapter can be followed to quickly prepare the TPA701 MSOPaudio amplifier EVM for use. Using the TPA701 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

Quick Start List for Platform 2-3 Quick Start 2.2 Quick Start List for Platform Follow these steps when using the TPA701 MSOP EVM with the TIPlug-N-Play Audio Amplifier Evaluation Platform (see the platform user’sguide, SLOU011, for additional details). Numbered callouts for selected stepsare shown ...

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 TPA701 MSOP EVM stand-alone or whenconnecting it into existing circuits or equipment. Connections to the TPA701MSOP 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 TPA701 IC, the evaluation module, thesteps in the Quick-Start List, additional application information, and a parts listfor the TPA701 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 TPA701 MSOP Audio Power Amplifier Evaluation Module; Figure 3–3. TPA701 MSOP EVM Schematic Diagram

The TPA701 MSOP Audio Power Amplifier Evaluation Module 3-3 Details 3.2 The TPA701 MSOP Audio Power Amplifier Evaluation Module The TPA701 MSOP Audio Power Amplifier Evaluation Module is powered bya TPA701 700-mW Low-Power Audio Amplifier IC and includes an on-boardshutdown control signal switch. Th...

Page 18 - TPA701 Audio Amplifier IC; NOT to system ground. This requires that the; Module Gain; Gain

The TPA701 MSOP Audio Power Amplifier Evaluation Module 3-4 Details 3.2.1 TPA701 Audio Amplifier IC The TPA701 audio amplifier IC is a CMOS device intended for bridge-tied load(BTL) operation in battery-powered applications. It is supplied in a very smallsurface-mount package and has been designed t...

Page 19 - Shutdown; inserted into the platform headphone output jack

The TPA701 MSOP Audio Power Amplifier Evaluation Module 3-5 Details The TPA701 amplifier IC, like most other amplifiers, exhibits its best distortionand noise performance at lower gain levels (see the TPA701 data sheet). Evenso, the TPA701 at its highest gain setting has significantly less distortio...

Page 20 - Using The TPA701 MSOP 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 TPA701 MSOP EVM With the Plug-N-Play Evaluation Platform 3-6 Details 3.3 Using The TPA701 MSOP EVM With the Plug-N-Play Evaluation Platform The TPA701 MSOP Audio Amplifier Evaluation Module was designed to beused with the TI Plug-N-Play Audio Amplifier Evaluation Platform. It simplyplugs i...

Page 21 - Signal Routing; Figure 3–5. Platform Signal Routing and Outputs; Headphone Jack Control Signals

Using The TPA701 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 Stereo Headphone Amp...

Page 22 - Figure 3–6. Mute/Mode and Polarity Control; Mode or leave JP6 unjumpered.

Using The TPA701 MSOP EVM With the Plug-N-Play Evaluation Platform 3-8 Details Figure 3–6. Mute/Mode and Polarity Control J10 Headphone Jack R3240 Ω R41 k Ω R51 k Ω JP8 JP6 U3, U4 Power Amplifiers Lo Hi Polarity Mode Mute VDD SPK (U2–U4) 3.3.3.2 Mute/Mode Select (JP6) A 3-pin jumper header (JP6) on ...

Page 23 - Inputs

Power Requirements 3-9 Details 3.3.4 Power Requirements The TPA701 MSOP Audio Power Amplifier Evaluation Module can operatefrom any voltage between approximately 2.5 V and 5.5 V; however, theTPA701 amplifier IC on the module is characterized for operation at 3.3 V and5 V. For best performance (highe...

Page 24 - Figure 3–7. Typical Headphone Plug

Inputs and Outputs 3-10 Details The audio output lines from the power amplifiers are separate all the way tothe edge of the platform (output jacks J7, J8, and J9)—the OUT– lines fromthe power amplifier sockets are not tied to each other or to platform ground.This allows the TPA701 power amplifier EV...

Page 25 - Using The TPA701 MSOP EVM Stand-Alone; TPA701 MSOP EVM Connected for BTL Output; Figure 3–8. TPA701 MSOP EVM Connected for Stereo BTL Output

Using The TPA701 MSOP EVM Stand-Alone 3-11 Details 3.4 Using The TPA701 MSOP EVM Stand-Alone Using the TPA701 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 range and the isolated OUT+ and OUT– lines for BTL...

Page 26 - TPA701 MSOP Audio Power Amplifier Evaluation Module Parts List; Table 3–1. TPA701 MSOP EVM Parts List; Terminal Post Headers

TPA701 MSOP Audio Power Amplifier Evaluation Module Parts List 3-12 Details 3.5 TPA701 MSOP Audio Power Amplifier Evaluation Module Parts List Table 3–1. TPA701 MSOP EVM Parts List Ref. Description Size EVM Qty. Manufacturer/ Part Number Digi-Key Number C3 Capacitor, 10 µ F, 6.3 V A 1 PanasonicECS-T...