Datasheet

www.ti.com
Contents
1 EVM Overview ............................................................................................................... 3
2 Analog Interface ............................................................................................................. 4
3 Digital Interface .............................................................................................................. 4
4 Power Supplies .............................................................................................................. 5
5 Voltage Reference .......................................................................................................... 6
6 Clock Source ................................................................................................................ 7
7 EVM Operation .............................................................................................................. 7
8 ADS1246EVM-PDK Kit Operation ........................................................................................ 8
9 Evaluating Performance with the ADCPro Software .................................................................. 17
10 Schematics and Layout ................................................................................................... 24
List of Figures
1 Reference Select Switch S1............................................................................................... 6
2 Jumper J2.................................................................................................................... 7
3 ADS1246EVM Default Jumper Locations................................................................................ 8
4 Virtual COM Port Installer.................................................................................................. 9
5 Virtual COM Port Setup .................................................................................................... 9
6 MMB3 Switch Locations ................................................................................................. 10
7 Connecting ADS1246EVM to MMB3 ................................................................................... 11
8 MMB3 Block Diagram..................................................................................................... 12
9 ADCPro Software Start-Up Display Window........................................................................... 13
10 ADS1246EVM-PDK Plug-In Display Window.......................................................................... 14
11 Connection Timeout ...................................................................................................... 15
12 Firmware Download Message Box ..................................................................................... 15
13 Firmware Download Progress Indicator ................................................................................ 16
14 Firmware Download Complete Message Box ......................................................................... 16
15 I/O Config Tab ............................................................................................................ 18
16 Enabling VBIAS on a Channel .......................................................................................... 19
17 Cal Tab ..................................................................................................................... 21
18 About Tab .................................................................................................................. 22
19 Progress Bar While Collecting Data .................................................................................... 23
List of Tables
1 J8/J4: Analog Interface Pinout ............................................................................................ 4
2 J7: Serial Interface Pins.................................................................................................... 4
3 J3 Configuration: Power-Supply Input.................................................................................... 5
4 J10 Configuration: Power Options ........................................................................................ 6
5 Reference Voltage Options................................................................................................ 6
6 List of Switches.............................................................................................................. 8
7 ADS1146EVM/ADS1246EVM Bill of Materials ....................................................................... 24
2
ADS1146EVM, ADS1246EVM, ADS1146EVM-PDK, ADS1246EVM-PDK SBAU149BJune 2009Revised May 2011
Submit Documentation Feedback
Copyright © 20092011, Texas Instruments Incorporated