We use ADI's AD5522 Evaluation Board and GUI and measure MEASOUT in FOH0 shorted DUTGND.
If FOH0 DAC sweep from 2V to 18V , MEASOUT(from AGND) increase from DAC=7V and MEASOUT is up to 8.2V in linear.(MEASOUT mean (MEASOUT_result×5-1.25))
Actual MEASSVE voltage is about 0V .
The Result image is below.
Which condition is bad?
Are there any improvement?
|FOH０||Connect to DUTGND(pin8)|
This format is GUI's write column.
AD5522 foot room in datasheet
We have below information.
But foot room is enough.
Thank you very much.