ADG904 DC handling

yramgu on Nov 18, 2021

Hi

I know the ADG904 can handle a DC bias of 0.5V, however I'd like to clarify something: can the switch actually pass DC from one port to the common port?

E.g. if I inject 0.1V DC to RF1, will I get 0.1V DC on RFC?

Thank you for your help

Yann

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0 EricC

on Nov 18, 2021 9:53 AM
Hi Yann, yes no problem, you will see the voltage through the part. You can think of the switch when it is on as a series resistor. The On resistance will be somewhere around 12ohms so depending how you are driving your signal you may want to consider an IR drop.

Eric.
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0 yramgu on Nov 18, 2021 10:40 AM in reply to EricC

perfect thank you very much :)
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0 yramgu on Nov 18, 2021 10:40 AM in reply to EricC

perfect thank you very much :)
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