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Part Number: OPA2322
We used OPA2322 for Scanner application detect paper function.
We get problem about OPA2322 U3A pin 1 output ripple too big. Some OPA2322 is no problem. But some OPA2322 is problematic.
I think maybe is design issues. Please kindly reference on below information and need your help to provide suggestions to us. Thanks~
Daifuku ultrasonic Fail report_053018.xlsx
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In reply to kai klaas69:
Thank you for your reply.
Below is not detect paper and detect paper waveform for you reference.
I think the noise is not from ultra sonic and we used two OPA2322 not OPA4322. Thanks for kindly help~
Good OPA2322 no put paper waveform
Fail OPA2322 no put paper waveform
Good OPA2322 put paper waveform
Fail OPA2322 put paper waveform
In reply to AJ Cheng:
I am currently trying other ways now. Thanks for kindly help~
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