Texas Instruments PCM1681, Руководство пользователя

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SBAU137 – April 2008
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Contents
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Contents
Preface ............................................................................................................................................................ 7
1 Description .......................................................................................................................................... 9
1.1 Functional Block Diagram .................................................................................................................................. 10
1.2 EVM Description ................................................................................................................................................. 10
1.3 Basic Connection and Operation ........................................................................................................................ 11
1.4 EVM Configuration Controls ............................................................................................................................... 11
1.4.1 Jumper Controls ..................................................................................................................................... 11
1.4.2 Switch Controls....................................................................................................................................... 12
1.4.3 DEM-PCM1681 Daughtercard Configuration Controls ........................................................................... 13
1.5 Electrostatic Discharge Warning ........................................................................................................................ 13
1.6 Absolute Maximum Ratings ................................................................................................................................ 14
2 Demonstration Software .................................................................................................................. 15
2.1 Overview ............................................................................................................................................................ 16
2.2 Installation .......................................................................................................................................................... 16
2.3 Using the Demonstration Software ..................................................................................................................... 17
2.3.1 HOLD and PASS .................................................................................................................................... 19
2.3.2 Applicable Function Control .................................................................................................................... 19
3 Typical Performance and Measurement Examples ....................................................................... 21
3.1 Typical Device Performance .............................................................................................................................. 22
3.2 Measurement Examples ..................................................................................................................................... 23
4 Schematic, PCB Layout, and Bill of Materials ............................................................................... 27
4.1 DEM-DAI/MDAC Schematics ............................................................................................................................. 28
4.2 DEM-PCM1681 Schematic ................................................................................................................................. 31
4.3 Printed Circuit Board Layout—DEM-DAI/MDAC ................................................................................................ 32
4.4 Printed Circuit Board Layout—DEM-PCM1681 .................................................................................................. 35
4.5 Component Lists ................................................................................................................................................ 37
4.5.1 Bill of Materials for DEM-DAI/MDAC ...................................................................................................... 37
4.5.2 Bill of Materials for DEM-PCM1681 ........................................................................................................ 39
Important Notices ........................................................................................................................................ 40