ADS1675REF Plug-in Operation
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7
ADS1675REF Plug-in Operation
This section provides information on using the ADS1675REF Plug-in, including setup, program installation,
and program usage. The board is factory-configured for the analog input driver THS4503 with +9V and
–4V supplies and the shared analog, digital, and XEM3010 board with a +5VA supply on the ADS1675.
lists the default jumper setup.
Table 2. Factory Jumper Defaults
Shunt Jumpers
Position
Description
ADS1675REF Jumpers
U3 Negative Supply (JP1)
1-2; use 2mm shunt jumper
-V is supplied by J4
OK3.3V (JP2)
Closed; use 2mm shunt jumper 3.3V
DC
is supplied to ADS1675REF
from the Opal Kelly Board
OK5V (JP4)
Closed; use 2mm shunt jumper 5.0V
DC
is supplied to the Opal Kelly
board from the user's external 5V
supply
CAPT (JP3)
Open
Strobe for data capture card used in
debug
XEM3010 Jumpers
J1
Closed
J2
Open
JP1
Open
To prepare to evaluate the ADS1675 with the ADS1675REF Plug-in, complete the following steps:
Step 1.
Verify all jumper settings against the settings described in
Step 2.
Download the latestversion of the ADCPro software from
Step 3.
Install the ADCPro application. Once the application is installed, run the
ADS1675REF-plug-in file located on the CD-ROM (included with the ADS1675REF package)
under the Plug-in Installer directory. Please note that while installing the ADS1675 plug-in, a
separate installer for the Opal Kelly board will also be launched. Accept all default settings
and choose the Continue anyway option if you see a warning regarding driver authenticity.
Step 4.
Complete the Microsoft Windows USB driver installation process.
Step 5.
Ensure the XEM3010 board is firmly seated onto the mating connectors found on the
ADS1675REF board.
Step 6.
Apply power to the ADS1675REF board as described in
; note that best
performance is achieved by using clean linear supplies. Set the current limits and voltages
first, then connect power leads to the board before enabling the supply outputs.
Step 7.
Apply +9V and –4V to the screw terminals marked J4. +V
CC
, GND, and –V
CC
are labeled
below the entry point to the screw terminal.
Step 8.
Apply +5 VDC to the screw terminal marked J5. +5VA and GND are marked at the terminal
entry points. R
39
is a short circuit that supplies both the digital 5V to the ADS1675 and 5V to
the XEM3010 board. The XEM3010 generates a 3.3V supply that is fed back to the
ADS1675.
7.1
Installing the ADCPro Software
The latest version of the ADCPro software is available from Texas Instruments' website at
. The CD-ROM shipped with the ADS1675REF may not contain the latest
software, but the ADCPro installer will check for updates when executed (if connected to the Internet), and
then give you the option of downloading and installing the latest version. Refer to the
Analog-to-Digital Converter Evaluation Software User's Guide
for instructions on installing and using
ADCPro.
To install the ADS1675REF plug-in, run the file: ads1675ref-plug-in-1.0.0.exe (1.0.0 is the version
number, and increments with software version releases; you may have a different version on your CD).
Double-click the file to run it; then follow the instructions shown. After installation, you can use the ADCPro
Update Check feature to check for newer versions of the ADS1675REF plug-in.
8
ADS1675REF
SBAU162A – December 2009 – Revised September 2010
Copyright © 2009–2010, Texas Instruments Incorporated