Datasheet

1 Related Documentation from Texas Instruments
User's Guide
SLAU086A – July 2002 – Revised December 2004
ADS8322EVM
This user's guide describes the characteristics, operation, and use of the ADS8322
16-bit, 500-kHz, parallel analog-to-digital converter evaluation board. A complete circuit
description, a schematic diagram, and a bill of materials are included.
Contents
1 Related Documentation from Texas Instruments ............................................... 1
2 EVM Overview ...................................................................................... 2
3 Introduction .......................................................................................... 2
4 Analog Interface .................................................................................... 2
5 Digital Interface ..................................................................................... 4
6 Power Supplies ..................................................................................... 5
7 Using the EVM ...................................................................................... 6
Appendix A ADS8322EVM Bill of Materials .......................................................... 7
Appendix B ADS8322EVM Layout .................................................................... 9
Appendix C ADS8322EVM Schematic .............................................................. 13
List of Figures
1 ADS8322 Input Buffer Circuit ..................................................................... 3
B-1 Top Layer – Layer 1 ................................................................................ 9
B-2 Ground Plane – Layer 2 .......................................................................... 10
B-3 Power Plane – Layer 3 ........................................................................... 11
B-4 Bottom Layer – Layer 4 .......................................................................... 12
List of Tables
1 Analog Input Connector ............................................................................ 2
1 Analog Input Connector ............................................................................ 3
2 Jumper Setting ...................................................................................... 3
3 Pinout for Parallel Control Connector J2 ........................................................ 4
4 Data Bus Connector J3 ............................................................................ 4
5 Pinout for Converter Control Connector J4 ..................................................... 5
6 Power Supply Test Points ......................................................................... 5
7 Power Connector Pinout ........................................................................... 6
A-1 Bill of Materials ...................................................................................... 7
To obtain a copy of any of the following TI documents, call the Texas Instruments Literature Response
Center at [phone] or the Product Information Center (PIC) at [phone]. When ordering,
identify this document by its title and literature number. Updated documents can also be obtained through
the TI Web site at http://www.ti.com.
SLAU086A – July 2002 – Revised December 2004 1ADS8322EVM