I would like to make sure about connection between PIN4(NC) and a die .
If it is open then the circuit can trace on the PIN4 .
Pin 4 of AD8206 has no internal connection. This pin, I think, is a provision pin for improvements thus AD8207 has Range pin and not anymore NC pin.
Am I correct that you want a PCB trace (connected to your other circuitry) to pass through Pin4? If yes, then you may do this. Just make sure that the lead of pin4 may not add to your parasitic resistances.
Thank you very much for your answer.
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