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ISO7820: PWM signal isolator

Lidong Yu
Intellectual 1756 points
Part Number: ISO7820
Other Parts Discussed in Thread: ISO7720, ISO6720

50kHz, 5V PWM signal input and  3.3V, 50kHz signal output, VCCi is 5v and VCCo is 3.3V, can this part support that? or can you suggest some part support that.

Thx

  • +1
    TI__Mastermind 49445 points

    Hi Lidong,

    Yes, this is supported by ISO7820. Since the stated PWM signal is a digital signal switching between two distinct states aligning with standard digital voltage signal levels, it can be passed through all digital isolators. ISO7820 works perfectly fine and is high performance part. If such high performance is not a requirement then you could also look at our latest optimized parts - ISO7720 or ISO6720. Thanks.


    Regards,
    Koteshwar Rao