Is it possible that to apply negative voltage to VREFL pin(MK60DN512VLL) to measure voltage range -v,+v by using ADC
Hi ilgin,
According to the description of K60P100M100SF2V2, it's impossible that to apply negative voltage to VREFL pin(MK60DN512VLL) to measure voltage range -v,+v by using ADC.
You can use the method described by EARL.
Best Regards,
Robin
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No, not any negative voltages. Use a single-to-differential conversion amp, with 'common' set to Vref center, and drive a differential pair of Kinetis pins.
The AD8475, for instance, will take a full bipolar input and shift/attenuate to single-supply-differential converters.