Software Operation - Analog Devices EVAL-AD5326DBZ User Manual

EVAL-AD5326DBZ User Guide

SOFTWARE OPERATION

The software for the AD5326
to the input and DAC registers of each DAC individually.
Write to Input Register
Click Write to Input Register to load the code of the input data
control to the input register of the selected DAC in the DAC
Selection box.
LDAC Control
Click Pulse LDAC to bring the LDAC pin low and then back to
high. Doing this copies the data from the input registers to the
DAC registers, and the outputs update accordingly. The LDAC
pin can also be set high or low by clicking HIGH or LOW in
the LDAC box.
Power-Down Control
All of the DACs can be powered down simultaneously. A
selection box allows the device to operate in normal mode or
power-down mode. Click the blue progressive disclosure button
in the Power-Down Logic block to access the Powerdown
Configuration window, as shown in Figure 5. Click OK to write
the appropriate values to the AD5326
setting for the DAC is selected.
Figure 4. AD5326
allows the user to program values
when the power-down
Evaluation Board Software Main Window
Figure 5. Powerdown Configuration Window
Gain Control
The gain control of each of the DACs can be set individually.
Click the blue progressive disclosure button in the Gain- Select
Logic block to access the Gain Control window, as shown in
Figure 6. Click X1 to set a full-scale output of 2.5 V or click X2
to set a full-scale output of 5 V.
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Figure 6. Gain Control Window
UG-977