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Texas Instruments DAC7741EVM manual User’s Guide, October, DAP EVMs, SLAU093

Models: DAC7741EVM

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DAC7741EVM

User’s Guide

October 2002

DAP EVMs

SLAU093

Page 1

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Texas Instruments DAC7741EVM manual User’s Guide, October, DAP EVMs, SLAU093

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 Basic Functions 1.3 EVM Basic FunctionsEVM Overview A block diagram of the EVM is shown below in the Figure Figure 1-1. EVM Block DiagramEVM Basic Functions Chapter Physical DescriptionPage TopicFigure 2-1. Layer One Top Silkscreen 2.1 PCB LayoutPCB Layout PCB Layout Figure 2-2. Layer Two Ground PlanePhysical Description PCB Layout Figure 2-3. Layer 3 Power PlanePCB Layout Figure 2-4. Layer 4 Bottom PlanePhysical Description 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 Host Processor Operation Table 3-2. Unity Gain Output Jumper Settings3.2.1 Unity Gain Output 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