EVAL-AD7765EBZ_15 Datasheet, PDF (9/23 Pages) Analog Devices – Evaluation Board for AD7764/AD7765 using

Preliminary Technical Data
EVAL-AD7764/AD7765EDZ
SOFTWARE INSTRUCTIONS FOR NORMAL USE
Once the initial software installation has been completed, follow
these instructions for the general setup of the evaluation software
each subsequent time the system is used.
Note that the hardware must be powered up as per the
Hardware connections section before attempting the following
steps.
1. The download default location for the EVAL-AD7760/
AD7762/AD7763EDZ evaluation software can be found by
clicking Start > All Programs > Analog Devices >
AD7764_5 > AD7764_5. If a location other than the
default was used, follow the path that was entered during
setup.
2. The evaluation software GUI appears.
3. Select the correct AD776x device from the drop down
menu in the top left hand corner of the GUI. i.e. AD7764
for AD7764 evaluation, click AD7765 for AD7765
evaluation.
Mode drop down menu, and select either ‘Low Power’ or
‘Normal Power’. This will automatically prompt the EVAL-
CED1Z to write to the AD7764/AD7765 registers and set
the power as per your preference for the AD7764/5 device.
5. Note that the external voltage supply connected to the
EVAL-AD7764/AD7765EDZ board will show the current
dropping when you switch between ‘Normal Power’ mode,
‘Low Power mode and “Power Down” mode. Seeing these
current draw levels change, when switching between the
power modes also verifies that the communication
between the EVAL-AD7764/5EDZ and EVAL-CED1Z
boards.
6. The user can specify the power mode, decimation rate, and
number of samples to be acquired (typically 65536
samples) by using the drop-down menus on the software
front panel circled in red in Figure 11. The software allows
the number of samples specified by the user samples to be
viewed as a waveform, histogram, or FFT. The Front panel is
shown in Figure 11.
4. The AD7764/5device under evaluation should power up
automatically when the software is run. Click the Power
Figure 11. EVAL-AD7764/AD7765EDZ Evaluation Software
Front Panel Features
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