Am 21.11.2014 um 19:56 schrieb Jerry Scharf:
> Hi,
>
> I am looking at using the MAX31850 chip for my test setup. It is a 3.3V
> only device (will not take 5V on power.) Are there any bus masters
> and/or switches that support 3.3V for the power and data lines?
>
I'd say, don't use parasite power, run the bus on 5 volts and just put a
kiloohms voltage divider right before the DQ pin of the slave. The
slaves are open-drain on their DQ output, so this should be sufficient.
Kind regards
Jan
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