Texas Instruments TAS5066PAG Manuale utente

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March 2004 Digital Audio and Video Products

User’s Guide

SLEU052

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.

Following are URLs where you can obtain information on other Texas Instruments products and application

solutions:

Products Applications

Amplifiers amplifier.ti.com Audio www.ti.com/audio

Data Converters dataconverter.ti.com Automotive www.ti.com/automotive

DSP dsp.ti.com Broadband www.ti.com/broadband

Interface interface.ti.com Digital Control www.ti.com/digitalcontrol

Logic logic.ti.com Military www.ti.com/military

Power Mgmt power.ti.com Optical Networking www.ti.com/opticalnetwork

Microcontrollers microcontroller.ti.com Security www.ti.com/security

Telephony www.ti.com/telephony

Video & Imaging www.ti.com/video

Wireless www.ti.com/wireless

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 input voltage range of xxx V and the output

voltage range of xxx V and xxx V.

Exceeding the specified input range may cause unexpected operation and/or irreversible

damage to the EVM. If there are questions concerning the input range, please contact a TI

field representative prior to connecting the input power.

Applying loads outside of the specified output range 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

xxx°C. The EVM is designed to operate properly with certain components above xxx°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

Notational Conventions

Preface



About This Manual

This manual describes the operation of the TAS5066-5111D6EVM evaluation

module from Texas Instruments.

How to Use This Manual

This document contains the following chapters:

-Chapter 1 — Overview

-Chapter 2 — System Interfaces

-Chapter 3 — Protection

Information about Cautions and Warnings

This document may contain cautions and warnings.

This is an example of a caution statement.

A caution statement describes a situation that could potentially

damage your software or equipment.

This is an example of a warning statement.

A warning statement describes a situation that could potentially

cause harm to you.

The information in a caution or a warning is provided for your protection.

Please read each caution and warning carefully.

Trademarks

Related Documentation from Texas Instruments

The following table contains a list of data manuals that have detailed descrip-

tions of the integrated circuits used in the design of the

TAS5066−5111D6EVM. The data manuals can be obtained at the URL

http://www.ti.com.

Part Number Literature Number

TAS5066PAG SLES089

TAS5111DAD SLES049

SN74LVC1G08 SCES217O

SN74LVC1G126 SCES224J

LMV331I SLCS136K

LM317M SLVS297I

TPS76433 SLVS180B

TPS3801K33 SLVS219B

Additional Documentation

-TAS5066−5111D6EVM Application Report − SLEA033

-PC Configuration Tool for TAS50XX (DAS TCT 50xx – version 3.1 or later)

-General Application Notes

FCC Warning

This equipment is intended for use in a laboratory test environment only. It gen-

erates, uses, and can radiate radio frequency energy and has not been tested

for compliance with the limits of computing devices pursuant to subpart J of

part 15 of FCC rules, which are designed to provide reasonable protection

against radio frequency interference. Operation of this equipment in other en-

vironments may cause interference with radio communications, in which case

the user at his own expense will be required to take whatever measures may

be required to correct this interference.

Trademarks

TI, EquibitTM and PurePath DigitalTM are trademarks of Texas Instruments.

Contents

vii

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1 Overview 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.1 TAS5066-5111D6EVM Features 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2 PCB Key Map 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 System Interfaces 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.1 PSU Interface (J901) 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.2 PSU Control Interface (J902) 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.3 Loudspeaker Connectors (J100 − J600) 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.4 Control Interface (J50) 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.5 Digital Audio Interface (J51) 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.6 PWM Timing, Interchannel Delay Registers 2-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 Protection 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.1 Short Circuit Protection and Fault Reporting Circuitry 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2 Device Fault Reporting 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Contents

viii

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1−1 Complete PurePath Digital System 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1−2 Physical Structure for the TAS5066-5111D6EVM 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−1 Recommended Power-Up Sequence 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−2 J901 and J903 Pin Numbers (PCB Connector Top View) 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . .

2−3 J902 Pin Numbers (PCB Connector Top View) 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−4 J100 − J600 Pin Numbers (PCB Connector Top View) 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . .



2−1 Recommended Power Supplies 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−2 J901 Pin Description 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−3 J903 Pin Description 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−4 J902 Pin Description 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−5 J100− J600 Pin Description 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−6 J50 Pin Description 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−7 J51 Pin Description 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−8 Clock Rates 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2−9 Recommended Interchannel Delay Register Values (based on EVM designs) 2-8. . . . . . . . .

3−1 TAS5111 Error Signal Decoding 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1

Overview



The TAS5066−5111D6EVM PurePath Digitaltcustomer evaluation module

demonstrates two integrated circuits TAS5066 and TAS5111DAD from Texas

Instruments (TI).

The TAS5066 is a high-performance 24-bit six-channel digital pulse width

modulator (PWM) based on EquibitTM technology. The TAS5066 has a wide

variety of serial input (I@S) options including right justified, left justified, and

DSP data formats. It accepts I@S data with sample rates up to 192 kHz.

TAS5111 is a high-performance digital amplifier power stage designed to drive

a 4-Ohm loudspeaker up to 85 W. It contains integrated gate-drivers, four

matched and electrically isolated enhancement-mode N-channel power

DMOS transistors and protection / fault-reporting circuitry.

The TAS5066−5111D6EVM, together with a TI input board, is a complete digi-

tal audio amplifier system that includes digital input (S/PDIF), analog input, in-

terface to PC, digital volume control, and failure protection. The system was

design for home theater applications such as DVD minicomponent systems,

home theater in a box (HTIB), DVD receiver, A/V receiver, or TV sets.

Topic Page

1.1 TAS5066-5111D6EVM Features 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2 PCB Key Map 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 1

TAS5066-5111D6EVM Features

1-2

1.1 TAS5066-5111D6EVM Features

-6-channel PurePath Digitaltevaluation module

-Self-contained protection system (short circuit and thermal)

-Standard I2S and I2C/control connector for TI input board

-Double-sided plated-through PCB layout

Figure 1−1.Complete PurePath DigitalESystem

Control interface

6 channel

analog input

I2C busPC interface

I2S bus

Optical and

coaxial

S/PDIF input

TAS5066–5111D6EVM

module

Subwoofer

line out

Power

supply

Example

TI input–PC board

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