Texas Instruments 47 User Manual
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ADS5525/27/45/46/47 EVM User

Guide

User's Guide

November 2006

SLWU028B

2

SLWU028B –January2006–RevisedNovember 2006

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Contents

1

Overview....................................................................................................................

5

 

1.1

EVM Basic Functions ............................................................................................

5

2

EVM Quick Start Guide ................................................................................................

6

 

2.1

EVM LVDS Output Mode Quick Start (Default) ..............................................................

6

 

2.2

EVM CMOS Output Mode Quick Start ........................................................................

6

3

Circuit Description ......................................................................................................

7

 

3.1

Schematic Diagram ..............................................................................................

7

 

3.2

Circuit Function...................................................................................................

7

4

Expansion Options ....................................................................................................

13

 

4.1

Custom FPGA Code ...........................................................................................

13

 

4.2

Expansion Slot ..................................................................................................

13

 

4.3

Optional USB SPI Interface ...................................................................................

13

5

Physical Description ..................................................................................................

14

 

5.1

PCB Layout......................................................................................................

14

 

5.2

Bill of Materials..................................................................................................

20

 

5.3

PCB Schematics................................................................................................

25

SLWU028B –January2006–RevisedNovember 2006

Table of Contents

3

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List of Figures

 

1

ADS5547 SNR Performance vs Decoupling .............................................................................

8

2

THS4509 + ADS5545 EVM Performance ................................................................................

9

3

Eye Diagram of Data on Header J4......................................................................................

11

4

Top Layer....................................................................................................................

14

5

Layer 2, Ground Plane ....................................................................................................

15

6

Layer 3, Power Plane #1 ..................................................................................................

16

7

Layer 4, Power Plane #2 ..................................................................................................

17

8

Layer 5, Ground Plane ....................................................................................................

18

9

Layer 6, Bottom Layer .....................................................................................................

19

 

List of Tables

 

1

DIP Switch SW1 .............................................................................................................

7

2

EVM Power Options .........................................................................................................

8

3

Output Connector J4.......................................................................................................

10

4

Test Points ..................................................................................................................

12

5

Bill of Materials .............................................................................................................

21

4

List of Figures

SLWU028B –January2006–RevisedNovember 2006

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