1
EVM Overview
1.1
Features
1.2
Introduction
2
Analog Interface
EVM Overview
www.ti.com
ADS1178EVM/ADS1278EVM Features:
•
Contains all support circuitry needed for the ADS1178/ADS1278
•
+10V and –10V generated from the +5V supply or supplied externally
•
Voltage reference options: external or onboard
•
Clock options: External clock source or 27MHz onboard crystal oscillator
•
GPIO access
•
Compatible with the TI Modular EVM System
ADS1178EVM-PDK/ADS1278EVM-PDK Features:
•
Easy-to-use evaluation software for Microsoft
®
Windows
®
XP
•
Data collection to text files
•
Built-in analysis tools including scope, FFT, and histogram displays
•
Complete control of board settings
•
Easily expandable with new analysis plug-in tools from Texas Instruments
For use with a computer, the ADS1178EVM-PDK or ADS1278EVM-PDK is available. This kit combines
the ADS1178EVM/ADS1278EVM board with the DSP-based MMB0 motherboard, and includes ADCPro™
software for evaluation.
The MMB0 motherboard allows the ADS1178EVM/ADS1278EVM to be connected to the computer via an
available USB port. This manual shows how to use the MMB0 as part of the
ADS1178EVM-PDK/ADS1278EVM-PDK, but does not provide technical details about the MMB0 itself.
ADCPro is a program for collecting, recording, and analyzing data from ADC evaluation boards. It is based
on a number of plug-in programs, so it can be expanded easily with new test and data collection plug-ins.
The ADS1178EVM-PDK/ADS1278EVM-PDK is controlled by a plug-in running in ADCPro. For more
information about ADCPro, see the
ADCPro™ Analog-to-Digital Converter Evalutation Software User's
Guide
http://focus.ti.com/lit/ug/sbau128/sbau128.pdf
), available for download for the TI web site.
This manual covers the operation of both the ADS1178EVM/ADS1278EVM and the
ADS1178EVM-PDK/ADS1278EVM-PDK. Throughout this document, the abbreviation
EVM
and the term
evaluation module
are synonymous with the ADS1178EVM/ADS1278EVM. For clarity of reading, this
manual will refer only to the ADS1278EVM or ADS1278EVM-PDK, but operation of the EVM and kit for
the ADS1178 is identical, unless otherwise noted.
The ADS1278EVM is an evaluation module built to the TI Modular EVM System specification. It can be
connected to any modular EVM system interface card.
The ADS1278EVM is available as a stand-alone printed circuit board (PCB) or as part of the
ADS1278EVM-PDK, which includes an MMB0 motherboard and software. As a stand-alone PCB, the
ADS1278EVM is useful for prototyping designs and firmware.
Note that the ADS1278EVM has no microprocessor and cannot run software. To connect it to a computer,
some type of interface is required.
For maximum flexibility, the ADS1278EVM is designed for easy interfacing to multiple analog sources.
Samtec part numbers SSW-110-22-F-D-VS-K and TSM-110-01-T-DV-P provide a convenient 10-pin,
dual-row, header/socket combination at J9. This header/socket provides access to the analog input pins of
the ADS1278. Consult Samtec at
or call 1-800-SAMTEC-9 for a variety of mating
connector options. These signals can also be connected to the terminal block J7.
4
ADS1178EVM, ADS1278EVM, ADS1178EVM-PDK, and ADS1278EVM-PDK
SBAU129C – November 2007 – Revised July 2008