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AD9548 - DACOUTP and DACOUTN layout requirments

Question asked by tomphelps on Nov 29, 2011
Latest reply on Dec 8, 2011 by pkern

Hi ,

 

I've taken a look at the layer for the AD9548 DEV board and it seems that the designer has taken some steps to ensure both the DACOUTP and DACOUTN are the same length, for example there are some additional kinks in the track which takes the inside of the corner. I can't see any mention to this in the datasheet but I'm assuming this is a layout requirement?

 

In additon do the tracks need to be 50OHM for best performance?

 

Thanks

 

Tom

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