Analog Devices EVAL-AD5341DBZ, User Manual

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EVAL-AD5341DBZ User Guide UG-982
Rev. 0 | Page 5 of 12
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Figure 4. AD5341 Evaluation Board Software Main Window
SOFTWARE OPERATION
The software for the AD5341 allows users to program values to
the input and DAC registers of the DAC.
Write to Input Register
Click Write to Input Register to load the code of the input data
control to the input register of the DAC.
LDAC Control
Click Pulse LDAC to bring the LDAC pin low and then back to
high, which copies the data from the input registers to the DAC
registers, and the outputs update accordingly. Alternatively, set
the LDAC pin high or low by clicking the blue progressive
disclosure button in the
INTERFACE LOGIC block. A window
then opens that allows the user to click the appropriate LDAC
setting, as shown in Figure 5.
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Figure 5. DAC Config Window
GAIN Control
Set the GAIN pin high or low by clicking the blue progressive
disclosure button in the
INTERFACE LOGIC block. A window
then opens that allows the user to click the appropriate GAIN
setting, as shown in Figure 5. Click GAIN X1 to set a full-scale
output of 2.5 V or click GAIN X2 to set a full-scale output of 5 V.
Power-Down Control
Click the blue progressive disclosure button in the POWER-
DOWN LOGIC block to access a selection box that allows the
device to operate in normal mode or power-down mode. A
window then opens that allows the user to click the power-
down setting for the DAC, as shown in Figure 6. Click
OK to
write the appropriate values to the AD5341 when the power-
down settings for the DAC are selected.
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Figure 6. Powerdown Config Window
CLR Control
Set the CLR pin high or low using LK2 as described in the
Daughter Board Link Options section and Table 3. Click the
appropriate
CLR (LK2) setting on the GUI to match the
daughter board setting (see Figure 4).