下载
User's Guide
SLAU148 – January 2005
DAC7631EVM
This user’s guide describes the DAC7631 evaluation module. It covers the operating
procedures and characteristics of the EVM board along with the device that it supports.
The physical PCB layout, schematic diagram, and circuit descriptions are included.
Contents
1 Information about Cautions and Warnings ...................................................... 2
2 Related Documentation from Texas Instruments ............................................... 2
3 Questions about this or other Data Converter EVM's? ........................................ 2
4 EVM Overview ...................................................................................... 3
5 EVM Basic Functions .............................................................................. 4
6 PCB Design and Performance .................................................................... 5
7 EVM Operation ...................................................................................... 9
List of Figures
1 DAC7631 EVM Block Diagram ................................................................... 4
2 Top Silkscreen ...................................................................................... 5
3 Layer 1 (Top Signal Plane) ........................................................................ 6
4 Layer 2 (Ground Plane) ............................................................................ 6
5 Layer 3 (Power Plane) ............................................................................. 7
6 Layer 4 (Bottom Signal Plane) .................................................................... 7
7 Bottom Silkscreen .................................................................................. 7
8 Drill Drawing ......................................................................................... 8
9 DAC7631EVM Default Jumper Setting ......................................................... 10
10 Digitally Programmable Current Source ....................................................... 13
List of Tables
1 Parts List ............................................................................................. 9
2 DAC7631EVM Factory Default Jumper Setting ............................................... 10
3 DAC7631 Output Channel Mapping ............................................................ 11
4 Unity Gain Output Jumper Settings ............................................................. 12
5 Gain of Two Output Jumper Settings ........................................................... 12
6 Jumper Settings for a Gain of Five With Inverted Output .................................... 12
7 Digitally Programmable Current Source Configuration ....................................... 13
8 Jumper Setting Function ......................................................................... 14
DAC7631EVMSLAU148 – January 2005 1
