Texas Instruments DAC9881EVM - DAC9881 Evaluation Module DAC9881EVM DAC9881EVM 数据表
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DAC9881EVM
User's Guide
SLAU279A – March 2009 – Revised November 2009
DAC9881 Evaluation Module
This user’s guide describes the characteristics, operation, and the use of the DAC9881 Evaluation Module
(EVM). 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.
(EVM). 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.
Contents
1
EVM Overview
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1.1
Features
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1.2
Power Requirements
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1.3
EVM Basic Functions
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2
PCB Design and Performance
............................................................................................
2.1
PCB Layout
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3
EVM Performance
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4
Bill of Materials
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5
EVM Operation
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5.1
Factory Default Setting
..........................................................................................
5.2
Host Processor Interface
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5.3
Digital Control Interface
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5.4
Analog Output
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5.5
Jumper Setting
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5.6
DAC9881EVM Schematic
.......................................................................................
6
Using the DAC9881EVM with DXP
.....................................................................................
6.1
Hardware
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6.2
MMB0 Power Supplies
...........................................................................................
6.3
Software – Running DXP
........................................................................................
7
Related Documentation From Texas Instruments
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List of Figures
1
Block Diagram
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2
Top Silkscreen
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3
Layer 1, Top Signal Plane
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4
Layer 2, Ground Plane
.....................................................................................................
5
Layer 3, Power Plane
......................................................................................................
6
Layer 4, Bottom Signal Plane
.............................................................................................
7
Bottom Silkscreen
...........................................................................................................
8
INL and DNL Characteristic Plot
..........................................................................................
9
DAC9881 EVM Default Jumper Configuration
.........................................................................
10
MMB0 with DAC9881EVM Installed
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11
Loading the DAC9881EVM INI File
.....................................................................................
12
DAC9881 – Frequency/Amplitude and GPIO Control Options
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List of Tables
1
Parts Lists
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2
Factory Default Jumper Setting
..........................................................................................
3
Digital Control Interface Signal Mapping for J2/P2 Connectors
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1
SLAU279A – March 2009 – Revised November 2009
DAC9881 Evaluation Module
Copyright © 2009, Texas Instruments Incorporated