Datasheet
UG-080 Evaluation Board User Guide
Rev. 0 | Page 6 of 12
MAIN WINDOW
Menu Bar
File
This allows the user to read previously stored data for display or
analysis, write the current set of data to a file for later use, and
exit the program.
About
This provides revision information about the application.
Buttons
Reset
This allows the user to reset the AD7170 software.
Exit
This allows the user to exit the software. It serves the same
purpose as Quit in the File pull-down menu.
Sample
This allows the user to read a number of samples from the
AD7170. Noise analysis is then performed on the samples.
These samples can be stored for further analysis. The sample
size is entered in the Num Samples text box.
Continuous
This allows the user to read a number of samples continuously.
The software gathers a number of samples as specified by the
Num Samples text box, performs noise analysis on the samples,
and gathers the next group of samples.
Reference
The value of the external reference should be displayed in the
Reference (V) text box.
Status Bits
This box displays the contents of the status register.
Wav e for m
The gathered conversions are displayed in graph form.
Codes/Volts
The gathered samples can be displayed in codes or in voltage
format. When the CODES option is selected, the values are
displayed as code. To display the information in volts, select the
VOLTS option.
Histogram
The gathered samples are used to generate a histogram.
Waveform Analysis (Volts)
The gathered samples are processed, and the minimum
conversion, maximum conversion, average conversion, p-p
noise and rms noise are displayed in volts.
Waveform Analysis (Codes)
The gathered samples are processed, and the minimum
conversion, maximum conversion, average conversion, p-p
noise and rms noise are displayed in codes.