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AD8021 thermal layout

Question asked by bnevins on Mar 11, 2016
Latest reply on Mar 23, 2016 by rvieja

I am working on a circuit where the AD8021 will be driving a 300 ohm load at about 20V p-p .


To dissipate power, I want to make some of the PCB traces very large.


check my reasoning:


+in and -in should not be made large because stray capacitance on the signal inputs is undesirable.

Likewise for the compensation pin.



These traces can safely be made large:


+Vs , -Vs, shutdown, logic reference.


Output pin must have a  long trace, but extra C here is also not desirable, but less problematic than for signal inputs and compensation pins.



What am I missing?