I can ADUM2201 pin14 (VDD) and pin 15 (NC) are shorted together to to vcc it?
This way it will damage the IC?
Pin 15 has no internal connection - it does not connect to any internal circuitry. Therefore this pin can be connected to any convenient supply or ground. This is true of all pins marked NC: 2, 6, 8, 10, 11, 15.
Please note that a newer product family (ADuM220N/ADuM221N/ADuM225N/ADuM226N) is available which offers the same withstand voltage rating, higher working voltage and improved performance (lower propagation delay). This family is available in the 16-SOIC with the same pinout as the ADuM2200/01, or a smaller 8-SOIC.
I understand, and thank you for your support, we will consider new products ADUM221N for new design.
(1) Also ask, if a long time short PIN-14 and pin-15 , there will be risk?
(2) Is there a NC pin internal circuit diagram? I need to assess its risk.
There is also no risk for long-term connection for the ADuM221N0. Pin 15 is not connected to internal circuitry at all - it is an open circuit (same situation as the ADuM2201).
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