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ADG408 and 409 multiplexer

Hello, i want to replace the multiplexers in audio devices with these types. The old ones are CD4051 and 4052 CMOS. Yes, i know they are not pin compatible, but this won´t be a problem. The ADG type should have some advantages as low noise and the cut-off before switching. 

Now, i want to know if i have to change the design for the following buffer stage or could it be used like for the CD types? I have not found any sample circuits or plans for audio usage...

I would be glad if anyone has some tips or informations for me

Thanks 

Tom