Posting this for a customer, they are experiencing high 550MHz emissions from an ADuM5541. Do we have any application hints to improve this?
The ADuM524x is the first generation isoPower device and has the lowest efficiency and high emissions.
The ADuM521x is a newer generation isoPower and is a little better efficiency and may have lower emissions.
I recommend they use the app note AN-1349, which has the newest PCB techniques like stitching capacitance and the use of ferrites to reduce emissions.
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