Datasheet

User's Guide
SLAU126A – December 2003 – Revised September 2004
ADS8402/ADS8406/ADS8412 EVM User's Guide
This user's guide describes the characteristics, operation, and use of the
ADS8402/ADS8406/ADS8412 16-bit, high-speed, parallel interface, analog-to-digital converter
evaluation board. A complete circuit description, schematic diagram, and bill of materials are
included.
Contents
1 EVM Overview .............................................................................................. 2
2 Analog Interface ............................................................................................ 2
3 Digital Interface ............................................................................................. 4
4 Power Supplies ............................................................................................. 6
5 Using the EVM .............................................................................................. 7
6 ADS8402/ADS8406/ADS8412EVM BOM ................................................................ 8
7 ADS8402/ADS8406/ADS8412EVM Layouts .......................................................... 10
8 ADS8402/ADS8406/ADS8412EVM Schematic ....................................................... 13
List of Figures
1 Input Buffer Circuit ........................................................................................ 3
2 Top - Layer 1 ............................................................................................... 10
3 Ground Plane - Layer 2 .................................................................................. 11
4 Power Plane - Layer 3 ................................................................................... 12
5 Bottom - Layer 4 .......................................................................................... 13
List of Tables
1 Analog Input Connector .................................................................................. 2
2 Solder Short Jumper Setting ............................................................................ 4
3 Pinout for Parallel Control Connector P2 ............................................................. 4
4 Jumper Settings for Decoder Outputs ................................................................. 5
5 Data Bus Connector P3 ................................................................................... 5
6 Pinout for Converter Control Connector J3 .......................................................... 6
7 Power Supply Test Points ................................................................................ 6
8 Power Connector, J1, Pinout ............................................................................ 6
9 Bill of Materials ............................................................................................. 8
TMS320C5000, TMS320C6000 are trademarks of Texas Instruments.
ADS8402/ADS8406/ADS8412 EVM User's GuideSLAU126A – December 2003 – Revised September 2004 1