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AMC1301: AMC1301

hailong xu1
Intellectual 260 points
Part Number: AMC1301

1. if I can tie pin 6 to pin 5, I can see some voltage difference between pin 6 and pin 5 if I use a 100 ohm series resistor;

2. I saw one thread about the EMC noise around 1Ghz, can you provide me possible reason and solution for that.

Thanks,

  • 0
    TI__Guru**** 168605 points
    Hi Hailong,

    For Q1) Pin 5 of the AMC1301 is the user side ground reference, while pin 6 is one of the differential outputs. Pin 6 is driven based on whatever voltage is applied to the input side of the device so it's not surprising that you would see some voltage difference. Can you tell me what you were expecting to see?

    For Q2) EMI related issues are usually layout related. I do not remember the specifics of the post you referred to, but we'd be happy to review your schematic and layout as well.
  • 0 in reply to Tom Hendrick
    Intellectual 260 points

    Thanks, I will try.