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4.2 Data Capture
The Data Capture icon selects the available charting options for displaying conversion data. The data options,
as shown in
Figure
4-5, include the Time Domain, Histogram, and FFT displays. However, the FFT plot and
information may have little meaning because the ADS1x48 is primarily a dc measurement device.
A slide-out menu (as shown in
Show Capture Settings slide-out, various configurations and displays are selectable. The drop-down menus
available in the Capture Settings slide-out are:
•
Select data rate for the data output conversion rate
•
Select MUXP channels and Select MUXN channels for choosing the desired input channels to be measured
•
Select PGA for choosing the required input signal amplification
•
SELFOCAL button for performing a device (ADC) offset calibration
To collect data, select the number of Samples to collect in the upper right corner of the capture window. To
capture data, press the Collect Data button next to the Samples setting (shown in
Conversion data collects when the Collect Data button is pressed, after which the button changes to read Stop
Collect. Pressing the Stop Collect button stops the collection of conversion data; otherwise the data are collected
for the chosen number of Samples. The number of Samples can be changed prior to pressing Collect Data
by directly entering the desired number of samples or by clicking on the up and down arrows. The number of
samples cannot be changed while data are being collected.
SBAU378A – SEPTEMBER 2021 – REVISED JANUARY 2022
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Figure 4-5. Data Capture Window
Figure
4-6) is viewable on the right side of the Chart window. By clicking the
Figure 4-6. Capture Settings Slide-Out
Copyright © 2022 Texas Instruments Incorporated
ADS1x48EVM GUI
Figure
4-5).
ADS1x48EVM Evaluation Module
31
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