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Hi team,
A customer doese not have company email so I help him to post this issue.
this issue is ADS7871 suddenly fails to output DOUT while in use.
Occasionally, ADC values could not be sent to MCU.
Phenomenon: 1) Normal progression of all 8CHs in ADS7871
2) All 8CHs output to zero with Random.
Analysis: 1)CLK, DIN appears to be normal.
2) The DOUT also sends a signal, but it does not appear to be a normal signal.
Figure 1. Normal DOUT
Figure 2. Abnormal DOUT
Can you share your suggestion?
Thanks.
Regards,
Frank
Frank,
I hope this is helpful to you.
Best regards,
Art