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On the output variation of the AD9266

Question asked by Yuya on Apr 2, 2018
Latest reply on May 25, 2018 by DougI

Hi,

My customers are considering using AD9266.

 

So I got some questions.
When the input was short-circuited and internal Ref was used, about 0.1% noise was observed at the output.

(input· · · 2 Vp - p, noise · · · about 2 mVp - p)

 

# 1  Is there data that varies in output noise and output data when internal Ref and external Ref are used?

 

# 2  If the exposed ground pad's GND connection is made with fewer vias, will the output variations become larger?   (Currently 4 vias)

 

# 3 Is there any other reason why the output noise and the variation of the output become bigger?

 

Best Regards,

Yuya

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