Manuals / Texas Instruments / Computer Equipment / Network Card

Texas Instruments DAC7741EVM Read This First, About This Manual, How to Use This Manual, Preface

Models: DAC7741EVM

1 28

Download 28 pages 51.52 Kb

Page 5

Image 5

Preface

Read This First

About This Manual

This user’s guide describes the characteristics, operation, and the use of the DA7741 evaluation module. It covers all pertinent areas involved to properly use this EVM board along with the devices that it supports. The physical PCB layout, schematic diagram and circuit descriptions are included.

How to Use This Manual

This document contains the following chapters:

-Chapter 1—EVM Overview

-Chapter 2—Physical Description

-Chapter 3—EVM Operation

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.

iii

Page 5

Image 5

Texas Instruments DAC7741EVM manual Read This First, About This Manual, How to Use This Manual, Preface

Contents

DAC7741EVM User’s GuideOctober DAP EVMsIMPORTANT NOTICE EVM IMPORTANT NOTICE EVM WARNINGS AND RESTRICTIONS Read This First How to Use This ManualAbout This Manual Information About Cautions and WarningsQuestions about this or other Data Converter EVM’s? Related Documentation From Texas InstrumentsFCC Warning TrademarksFigures Contents1 EVM Overview 2 Physical Description2-1 Parts List 3-1 Factory Default Jumper Setting Tables3-2 Unity Gain Output Jumper Settings 3-3 Gain of Two Output Jumper SettingsChapter EVM OverviewPage Topic1.2 Power Requirements 1.1 Features1.2.1 Supply Voltage 1.2.2 Reference VoltageEVM Overview 1.3 EVM Basic FunctionsEVM Basic Functions EVM Basic Functions Figure 1-1. EVM Block DiagramA block diagram of the EVM is shown below in the Figure Chapter Physical DescriptionPage TopicPCB Layout 2.1 PCB LayoutFigure 2-1. Layer One Top Silkscreen Physical Description Figure 2-2. Layer Two Ground PlanePCB Layout PCB Layout Figure 2-3. Layer 3 Power PlanePhysical Description Figure 2-4. Layer 4 Bottom PlanePCB Layout PCB Layout Figure 2-5. Drill Drawing2.2 Bill of Materials 2-1. Parts ListBill of Materials Physical DescriptionBill of Materials This page has been left blank intentionallyChapter EVM OperationPage TopicTable 3-1. Factory Default Jumper Setting 3.1 Factory Default SettingFactory Default Setting Reference3.2.1 Unity Gain Output Table 3-2. Unity Gain Output Jumper Settings3.2 Host Processor Operation Table 3-4. Capacitive Load Drive Output Jumper Settings Table 3-3. Gain of Two Output Jumper Settings3.2.2 Output Gain of Two 3.2.3 Capacitive Load DriveTable 3-5. Jumper Setting Function 3.3 Jumper SettingJumper Setting ReferenceJumper Setting Table 3-5. Jumper Setting Function ContinuedSetting JumperA schematic of the DAC7741 is found on the following page 3.4 SchematicSchematic EVM Operation6443168 DAC7741