Difference between ADuM2401 v ADuM4401

Document created by analog-archivist Employee on Feb 23, 2016
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I would like to know what the difference between the ADUM2401 and the ADUM4401
isolators. Both devices are 5 kV RMS Quad-Channel Digital Isolators?

 

Yes, both ADuM2401 and ADuM4401 are 5 kV RMS Quad-Channel Digital Isolators.
The
ADuM440x family of parts (including ADuM4401) have enhanced system-level ESD
performance compared to the ADuM2401. The ADuM440x parts contain circuit and
layout enhancements to help achieve system-level IEC 61000-4-x compliance
(ESD/burst/surge).

For more information on IEC 61000-4-x and ESD hardened iCouplers, please refer
to the application note:
AN-793: ESD/Latch-Up Considerations with iCoupler Isolation Products.

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