Texas Instruments TPA3007D1EVM Bedienungsanleitung

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     

September 2003 HPL − Audio Power Amplifiers

User’s Guide

SLOU164

IMPORTANT NOTICE

Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,

enhancements, improvements, and other changes to its products and services at any time and to discontinue

any product or service without notice. Customers should obtain the latest relevant information before placing

orders and should verify that such information is current and complete. All products are sold subject to TI’s terms

and conditions of sale supplied at the time of order acknowledgment.

TI warrants performance of its hardware products to the specifications applicable at the time of sale in

accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI

deems necessary to support this warranty. Except where mandated by government requirements, testing of all

parameters of each product is not necessarily performed.

TI assumes no liability for applications assistance or customer product design. Customers are responsible for

their products and applications using TI components. To minimize the risks associated with customer products

and applications, customers should provide adequate design and operating safeguards.

TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right,

in which TI products or services are used. Information published by TI regarding third−party products or services

does not constitute a license from TI to use such products or services or a warranty or endorsement thereof.

Use of such information may require a license from a third party under the patents or other intellectual property

of the third party, or a license from TI under the patents or other intellectual property of TI.

Reproduction of information in TI data books or data sheets is permissible only if reproduction is without

alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction

of this information with alteration is an unfair and deceptive business practice. TI is not responsible or liable for

such altered documentation.

Resale of TI products or services with statements different from or beyond the parameters stated by TI for that

product or service voids all express and any implied warranties for the associated TI product or service and

is an unfair and deceptive business practice. TI is not responsible or liable for any such statements.

Mailing Address:

Texas Instruments

Post Office Box 655303

Dallas, Texas 75265

EVM IMPORTANT NOTICE

Texas Instruments (TI) provides the enclosed product(s) under the following conditions:

This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION

PURPOSES ONLY and is not considered by TI to be fit for commercial use. As such, the goods being provided

may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective

considerations, including product safety measures typically found in the end product incorporating the goods.

As a prototype, this product does not fall within the scope of the European Union directive on electromagnetic

compatibility and therefore may not meet the technical requirements of the directive.

Should this evaluation kit not meet the specifications indicated in the EVM User’s Guide, the kit may be returned

within 30 days from the date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE

WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED,

IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY

PARTICULAR PURPOSE.

The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user

indemnifies TI from all claims arising from the handling or use of the goods. Please be aware that the products

received may not be regulatory compliant or agency certified (FCC, UL, CE, etc.). Due to the open construction

of the product, it is the user’s responsibility to take any and all appropriate precautions with regard to electrostatic

discharge.

EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE

TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.

TI currently deals with a variety of customers for products, and therefore our arrangement with the user is not

exclusive.

TI assumes no liability for applications assistance, customer product design, software performance, or

infringement of patents or services described herein.

Please read the EVM User’s Guide and, specifically, the EVM Warnings and Restrictions notice in the EVM

User’s Guide prior to handling the product. This notice contains important safety information about temperatures

and voltages. For further safety concerns, please contact the TI application engineer.

Persons handling the product must have electronics training and observe good laboratory practice standards.

No license is granted under any patent right or other intellectual property right of TI covering or relating to any

machine, process, or combination in which such TI products or services might be or are used.

Mailing Address:

Texas Instruments

Post Office Box 655303

Dallas, Texas 75265

EVM WARNINGS AND RESTRICTIONS

It is important to operate this EVM within the supply voltage range of 8 V to 18 V.

Exceeding the specified supply voltage range may cause unexpected operation and/or

irreversible damage to the EVM. If there are questions concerning the supply voltage range,

please contact a TI field representative prior to applying power to the device under test (DUT).

Applying loads outside of the specified load impedance may result in unintended operation

and/or possible permanent damage to the EVM. Please consult the EVM User’s Guide prior

to connecting any load to the EVM output. If there is uncertainty as to the load specification,

please contact a TI field representative.

During normal operation, some circuit components may have case temperatures greater than

65°C. The EVM is designed to operate properly with certain components above 65°C as long

as the input and output ranges are maintained. These components include but are not limited

to linear regulators, switching transistors, pass transistors, and current sense resistors. These

types of devices can be identified using the EVM schematic located in the EVM User’s Guide.

When placing measurement probes near these devices during operation, please be aware

that these devices may be very warm to the touch.

Mailing Address:

Texas Instruments

Post Office Box 655303

Dallas, Texas 75265

1-1

Introduction

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This chapter provides an overview of the Texas Instruments (TI)

TPA3007D1EVM class-D audio amplifier evaluation module. It includes a list

of EVM features, a brief illustrated description of the module, and a list of EVM

specifications.

Topic Page

1.1 Description 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2 TPA3007D1EVM Specifications 1-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 1

Description

1-2

1.1 Description

The TPA3007D1 evaluation module (EVM) is a 6.5-W class-D mono audio

power amplifier complete with a small number of external components

mounted on a circuit board measuring approximately 1 1/4 inches by 1 1/4

inches (Figure 1−1 and Figure 1−2).

Figure 1−1.The TI TPA3007D1 Audio Power Amplifier EVM—Top View

Description

1-3

Introduction

Figure 1−2.The TI TPA3007D1 Audio Power Amplifier EVM—Bottom View

Note:

Single in-line header pins extend from the underside of the module circuit

board to allow the EVM to be plugged into the TI Plug-N-Play audio amplifier

evaluation platform, or to be wired directly into existing circuits and equip-

ment when used stand-alone operation.

TPA3007D1EVM Specifications

1-4

The platform, which has room for two TPA3007D1EVMs, is a convenient

vehicle for demonstrating TI’s audio power amplifier and related evaluation

modules. The EVMs simply plug into the platform, which automatically

provides power to the modules, interconnects them correctly, and connects

them to a versatile array of standard audio input and output jacks and

connectors. Easy-to-use configuration controls allow the platform and EVMs

to quickly model many possible end-equipment configurations.

1.2 TPA3007D1EVM Specifications

Supply voltage range, VCC 8 V to 18 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Supply current, Icc 2 A max. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Continuous output power, RL= 8 Ω, VDD = 12 V, THD+N =10%, PO6.5 W.

Minimum load impedance, RL7 Ω. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-5

Introduction

2-1

Quick Start

 

Follow the steps in this chapter to quickly prepare the TPA3007D1EVM for

use. Using the TPA3007D1EVM with the TI Plug-N-Play audio amplifier

evaluation platform is a quick and easy way to connect power, signal and

control inputs, and signal outputs to the EVM using standard connectors.

However, the audio amplifier evaluation module can be used in stand-alone

operation by making connections directly to the module pins, and it can be

wired directly into existing circuits or equipment.

Topic Page

2.1 Configuration 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.2 Precautions 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.3 Quick Start List for the Platform 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.4 Quick Start List for Stand-Alone Operation 2-5. . . . . . . . . . . . . . . . . . . . . .

Chapter 2

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