Datasheet

Contents
1 ADS1x9xECG-FE ................................................................................................................. 5
1.1 Important Disclaimer Notice ............................................................................................ 5
2 Overview ............................................................................................................................ 6
2.1 Introduction ............................................................................................................... 6
2.2 Features Supported in this Version ................................................................................... 6
3 Software Installation ............................................................................................................ 7
3.1 Minimum Requirements ................................................................................................ 7
3.2 Installing the Software (PC application) .............................................................................. 7
3.3 Installing the USB Drivers ............................................................................................ 12
4 Running the Software ........................................................................................................ 16
4.1 Overview of the Features ............................................................................................. 17
5 ADS1x9xECG-FE Hardware Introduction .............................................................................. 27
5.1 Power Supply ........................................................................................................... 27
5.2 Clock ..................................................................................................................... 28
5.3 Memory .................................................................................................................. 28
5.4 Accessing ADS1x9x Digital Signals ................................................................................. 28
5.5 GPIO Test Points ...................................................................................................... 28
5.6 Analog Inputs ........................................................................................................... 28
5.7 USB Interface ........................................................................................................... 29
5.8 Onboard Key Interface ................................................................................................ 29
5.9 Visual Indication ........................................................................................................ 30
6 Evaluation of ECG and Respiration Specific Functions .......................................................... 30
6.1 Evaluation Mode (Analysis Mode) ................................................................................... 31
6.2 Live Data Streaming Mode ........................................................................................... 32
7 USB-Based Firmware Upgrade ............................................................................................ 37
8 Connector Interface ........................................................................................................... 38
8.1 DB9 ECG Electrode Connector ...................................................................................... 39
8.2 USB Mini Connector ................................................................................................... 39
Appendix A ECG Cable Details .................................................................................................... 40
Appendix B ADS1x9x EVM Bill of Materials (BOM) ........................................................................ 41
Appendix C PCB Layout and Schematics ..................................................................................... 46
C.1 PCB Layout ............................................................................................................ 46
C.2 Schematics ............................................................................................................ 49
2
Table of Contents SLAU384A–December 2011–Revised April 2012
Submit Documentation Feedback
Copyright © 2011–2012, Texas Instruments Incorporated