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THVD1520: What's the receiver end status when △VOD reach at 50mV?

Tess Chen
Intellectual 2675 points

Part Number: THVD1520

Hi Team,

THVD1520 datasheet indicate △VOD's range is +/-50mV. What will happen at the receiver side if the VA and VB is approximate to 0 and △VOD exactly equal to 50mV? Thanks.
Best Regards,
Tess Chen
  • 0
    Guru 327040 points

    VA and VB will not be zero.

    The datasheet guarantees that the differential output voltage is at least 1.5 V, i.e., VA is at least 1.5 V above VB, or VA is at least 1.5 V below VB.

    The ΔVOD specification says that the absolute difference between these cases is at most 50 mV. In other words, if in one state, VA is 2.5 V above VB, then in the other state, VA will be somewhere between 2.45 V below VB and 2.55 V below VB.