Teensy 3.6 differencial max input voltages

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tremeliques

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Hello.

I'm beginner with teensy boards. Right now I'm doing a school project and I will use teensy3.6 board to measure eletrical power quality.

My main question is to know what are the max input voltage limits if I use ADC differencial ports to acquire signals.

Many thanks.
 
The maximum is 3.3 V, it doesn't matter if you use the differential or single-ended mode, the limit is the same.
 
Differential input voltage range is VREFL to 31/32 * VREFH. (table 31) The voltage limits for each pin are of course -0.3V to Vdd+0.3V.

Note that while the voltage with respect to ground is always positive, the differential voltage can be negative.
 
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