Calibrate the ADC Device on the EVM
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12
SLAU701 – May 2017
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Setup Procedure
3.10 Calibrate the ADC Device on the EVM
Figure 3-3. Configuration GUI ADC Control
1. With the EVM GUI open on the PC, navigate to the
Control
tab.
2. To calibrate the ADC, click
Call Triggered/Running
once, then click it again. This will stop and re-start
the Calibration engine.
NOTE:
This calibrate button executes a calibration sequence that is required for full performance.
This calibration is performed automatically during the
Section 3.9
step but must be
performed again, any time the sampling rate changes, after significant temperature change
of the ADC, or after exiting the power-down mode. See the ADC12DJ3200EVM device data
sheet, (
SLVSD97
) , for details regarding the necessary calibration sequence.
3. To enable background calibration, use the following steps:
•
Navigate to the
JESD204B
tab and click on
JESD Block Enable
to stop the JESD204B block.
•
Navigate back to the
Control
tab and click on
Enable Calibration Block
to disable calibration and
allow setting changes.
•
Click on
Enable Background Cal
.
•
If background offset calibration is desired also, click on
Enable Background Offset Cal
.
•
Click on
Enable Calibration Block
to re-enable the calibration subsystem
•
Navigate to the
JESD204B
tab and click on
JESD Block Enable
to re-start the JESD204B block.
•
Navigate back to the
Control
tab and click the
Cal Triggered/Running
button once, then click it
again. This restarts the Calibration engine.
