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ISO7141CC: replacement for LTC6820HMS#PBF

Part Number: ISO7141CC
Other Parts Discussed in Thread: ISO7741


I'm not to familiar with Isolators. Would the ISO7141CC be a good replacement for the LTC6820? If not, do we have a replacement?



  • Hi David,

    It all depends on your application. ISO7141CC would be a good replacement, but the ISO7741 is probably even better suited for your application. It has higher isolation, stronger CMTI, wider supply range, and better immunity and robustness. I would recommend the ISO7741. If you look in the ISO7741 datasheet, Section 9.2 Typical Application shows an isolated serial peripheral interface (SPI). [This can be found on page 26 of the datasheet.]

    If you also require isolated power, check out the ISOW78xx line of isolators.

    If you have any other questions please let me know!