TI中文支持网Part Number:ISO7721-Q1Other Parts Discussed in Thread:ISO7721
Will direct grounding of pin8(NC) of ISO7721 – Q1 affect insulation performance?
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Kailyn Chen：
Hello，the NC pins are not connected to anything internally hence it is best to left unconnected. But if your application requires this pin to be connected to GND then that shouldn't be an issue to the device.
