Texas Instruments TLC5540 Manuale utente

TLC5540/TLC5510/TLC5510A/

TLV5540/TLV5510

Evaluation Module

1999 Mixed-Signal Products

User’s Guide

SLAU007C

IMPORTANT NOTICE

TexasInstruments andits subsidiaries(TI) reservethe rightto makechanges totheir productsor todiscontinue

any product or service without notice, and advise customers to obtain the latest version of relevant information

to verify, before placing orders, that information being relied on is current and complete. All products are sold

subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those

pertaining to warranty, patent infringement, and limitation of liability.

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

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

TIdeemsnecessarytosupport thiswarranty. Specifictestingof allparametersofeachdevice isnotnecessarily

performed, except those mandated by government requirements.

CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF

DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE (“CRITICAL

APPLICATIONS”). TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR

WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER

CRITICALAPPLICATIONS.INCLUSIONOFTIPRODUCTSINSUCHAPPLICATIONSISUNDERSTOODTO

BE FULLY AT THE CUSTOMER’S RISK.

In order to minimize risks associated with the customer’s applications, adequate design and operating

safeguards must be provided by the customer to minimize inherent or procedural hazards.

TIassumes noliabilityforapplicationsassistance orcustomer productdesign. TIdoes notwarrantorrepresent

thatanylicense,eitherexpressorimplied,isgrantedunderanypatentright,copyright,maskworkright,orother

intellectual property right of TI covering or relating to any combination, machine, or process in which such

semiconductor products or services might be or are used. TI’s publication of information regarding any third

party’s products or services does not constitute TI’s approval, warranty or endorsement thereof.

Information About Cautions and Warnings

iii

Read This First

Preface

Read This First

About This Manual

The purpose of this user’s guide is to serve as a reference book for the

TLC5540/TLC5510/TLC5510A/TLV5510/TLV5540 devices. This document

providesinformation to assistmanagers and hardware/softwareengineers in

application development.

How to Use This Manual

This document contains the following chapters:

Chapter 1 Overview

Chapter 2 Circuit Description

Chapter 3 Physical Description

Information About Cautions and Warnings

This book 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.

Related Documentation From Texas Instruments

ThefollowingdocumentsmaybeorderedbycontactingtheTexasInstruments

Product Information Center at one of the numbers listed on the next page, or,

they may be downloaded at:

http://www–s.ti.com/sc/docs/psheets/pids2.htm

TLC5510/TLC5510A Data Sheet

(literature number SLAS095) contains

electrical specifications, available temperature options, general over-

view of the device, and application information.

TLC5540 Data Sheet

(literature number SLAS105) contains electrical

specifications, available temperature options, general overview of the

device, and application information.

TLV5510 Data Sheet

(literature number SLAS124) contains electrical

specifications, available temperature options, general overview of the

device, and application information.

TLV5540 Data Sheet

(literature number SLAS192) contains electrical

specifications, available temperature options, general overview of the

device, and application information.

CE/FCC Warnings

Thisequipmentisintendedforuseinalaboratorytestenvironmentonly.Itgen-

erates,uses,andcanradiate radio frequency energy and has notbeentested

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

part15ofFCCrules.Thisdevicehas beentestedandfoundtocomplywiththe

limits for a CISPRII Group 1 and the following directives: EMC Directive

89/336/EEC amending directive 92/31/EEC and 93/68/EEC as per

ENV50204:1995, EN55011: 1995 Class A, EN61000–4–4: 1995, and

EN6100–4–3: 1993. Operation of this equipment in other environments 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.

Running Title—Attribute Reference

Chapter Title—Attribute Reference

Contents

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

1.1 Purpose 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2 Power Supply Requirements 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 Circuit Description 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.1 EVM Analog Input 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.1.1 Direct Input 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.1.2 Amplifier Input, DC Coupled 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.1.3 Amplifier Input, AC Coupled 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.1.4 Input Bias Operational Range 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.1.5 Test Points 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.1.6 User Supplied Input Circuit 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.2 Digital Output 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.3 Clock Circuit 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.4 Board Schematic 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 Physical Description 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.1 Board Layout 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2 Board Layers 3-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.3 Part Descriptions 3-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Running Title—Attribute Reference

Figures

2–1 Board Schematic 2-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–1 EVM Board Layout 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–2 EVM Board Layer 1 3-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–3 EVM Board Layer 2 3-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–4 EVM Board Layer 3 3-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–5 EVM Board Layer 4 3-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Tables

1–1 Power Supplies 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2–1 Amplifier Input Coupling 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2–2 Input Voltage Setting 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2–3 Test Points 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–1 Part Descriptions 3-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1

Overview

This chapter gives an overview of the TLC5540/TLC5510/TLC5510A/

TLV5540/TLV5510 evaluation module (EVM).

Topic Page

1.1 Power Supply Requirements 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2 EVM Analog Input 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 1

Purpose

1-2

Overview

1.1 Purpose

The TLC5540/TLC5510/TLC5510A/TLV5540/TLV5510 evaluation module

(EVM) provides a platform for lab prototype evaluation of the Texas Instru-

ments TLC5540/TLC5510/TLC5510A/TLV5540/TLV5510 8-bit, high-speed

analog-to-digital converters.

Since practical operation can be acheived in excess of 40 MHz, the circuit

layout is critical and does not lend itself to classic breadboarding techniques.

In fact, proper operation requires use of surface-mount components.

Power Supply Requirements

1-3

Overview

1.2 Power Supply Requirements

The TLC5540/TLC5510/TLC5510A/TLV5540/TLV5510 EVM is designed to

be powered by regulated lab power supplies. Three lab supplies are required

for the best performance.

Table 1–1.Power Supplies

If Amp Used By-pass Amp

Connector Supply TLC5540/5510/

5510A TLV5540/5510 TLC5510/

5540/5510A TLV5510/5540

J2 Positive analog supply 5 V ±10% 3.6 V MIN 5 V ±10% 3.6 V – 2.7 V

J3 Negative analog supply –5 V ±10% –3.6 MIN N/A N/A

J8 Digital supply 5 V ±10% 3.6 V – 3.3 V 5 V ±10% 3.6 V – 2.7 V

The5V/3.6Vand–5 V/–3.6 V analogsuppliesshareananaloggroundplane.

The digital supply uses an isolated ground plane.

The two ground planes can be easily connected by soldering jumpers from

E21 to E22 or from E13 to E14. This allows the user to adapt the EVM to

various grounding conditions that can exist in an evaluation circuit interface.

1-4

Overview

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