Texas Instruments DAC7741EVM manual EVM Operation

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Chapter 3

EVM Operation

This chapter covers in detail the operation of the EVM to provide guidance to the user in evaluating the onboard DAC and how to interface the EVM to a specific host processor.

Refer to the DAC7741 data sheet, SBAS248, for information about its parallel interface and other related topics.

The EVM board is factory tested and configured to operate in the bipolar output mode.

Topic		Page

3.1	Factory Default Setting	. . 3-2
3.2	Host Processor Interface	. . 3-3
3.3	Jumper Setting	. . 3-5
3.4	Schematic	. . 3-7

3-1

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Contents User’s Guide Important Notice EVM Important Notice EVM Warnings and Restrictions About This Manual Read This FirstRelated Documentation From Texas Instruments Figures ContentsTables EVM Overview Features Power Requirements EVM Basic FunctionsPower Requirements FeaturesEVM Basic Functions EVM Block Diagram PCB Layout Bill of Materials Physical DescriptionLayer One Top Silkscreen PCB LayoutLayer Two Ground Plane Layer 3 Power Plane Layer 4 Bottom Plane Drill Drawing Bill of Materials Parts ListThis page has been left blank intentionally EVM Operation Factory Default Setting Factory Default Jumper SettingReference Jumper Function Position Host Processor Operation Unity Gain Output Jumper SettingsReference Unipolar BipolarGain of Two Output Jumper Settings Capacitive Load Drive Output Jumper SettingsReference Jumper Setting Function Jumper Setting Jumper Setting FunctionReference Jumper Function Jumper Function Setting Schematic of the DAC7741 is found on the following SchematicDAC7741