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OPA2673: NC pin and PowerPad connection

Weiyu Leng
Intellectual 360 points
Part Number: OPA2673

To whom it may concern,

I just want to confirm about the connections of NC pins and PowerPad.

Can NC pins be left unconnected?

Must PowerPad be connected to VS- or can it be left unconnected? (I have this doubt because PowerPad is typically connected to GND instead of VS-.)

Thank you very much.

Weiyu

  • 0
    TI__Expert 7875 points
    Hi Weiyu,

    Yes you can leave the NC pins unconnected. For the OPA2673, the power pad is physically connected to the -VS supply of the part so it must be kept at the same potential on the board if you are connecting it. You can leave the power pad floating but it will reduce the thermal dissipation of the device.

    Regards,