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DAC8554: Absolute Max specification for "Digital input voltage to GND"

Chuck Reisdorf
Prodigy 70 points
Part Number: DAC8554

The datasheet specifies that for "Digital input voltage to GND" the absolute maximum is "–0.3 V to AVDD + 0.3V." Should this actually be "–0.3 V to IOVDD + 0.3V"?

  • 0
    TI__Guru 53173 points

    Hi Chuck,

    I dug into the design.  I would think of it this way: a digital input must be ≤ IOVDD + 0.3V and IOVDD must be ≤ AVDD.  I think the abs. max table is missing this explanation.  I will ask my system's team to update the PDS.

    Thanks,

    Paul