Hello,
I want to connect a voltage reference chip to the Teensy 3.6 to get accurate measurements from the ADC.
Can the Aref pin take more than 3.3V or is it also limited to 3.3V like all other pins?
For setting the Aref to internal reference, it is written in the ADC library to use ADC_REFERENCE::REF_3V3 or ADC_REFERENCE::REF_1V2. Does this apply to the Teens 3.6 as well?
So for setting to external reference, I just use ADC_REFERENCE::REF_EXT, right?
In the schematics, it is shown that Aref is already connected to 3.3V, so does that mean I have to remove the 470Ohm resistor if I want to use an external reference chip?
Thanks in advance.
I want to connect a voltage reference chip to the Teensy 3.6 to get accurate measurements from the ADC.
Can the Aref pin take more than 3.3V or is it also limited to 3.3V like all other pins?
For setting the Aref to internal reference, it is written in the ADC library to use ADC_REFERENCE::REF_3V3 or ADC_REFERENCE::REF_1V2. Does this apply to the Teens 3.6 as well?
So for setting to external reference, I just use ADC_REFERENCE::REF_EXT, right?
In the schematics, it is shown that Aref is already connected to 3.3V, so does that mean I have to remove the 470Ohm resistor if I want to use an external reference chip?
Thanks in advance.