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adg5412 issue

Question asked by benoit.brazey@femto-st.fr on Mar 21, 2018
Latest reply on Apr 10, 2018 by Stephen_Nugent

Hello,

 

I am using switches adg5412 and 5408 and I have some issues with each one.

When powered on and the EN pin set to enabled = 0, I measure an impedance between the input and output which is not infinite, and which depends on the frequency of the signal.

This means the switches are not really disconnected, since I work with 500kHz input signals.

Please find attached an impedance sweep which illustrates this issue.

 

Could you please help me with this ?

 

Thank you in advance.

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