Go Down

Topic: Default analog reference for DUE (Read 1 time) previous topic - next topic

goncalor

Hey there.

I'm assembling a circuit here and I wondered "what is the default analog reference for DUE?" I looked it up but I couldn't find it. Since due runs at 3.3V I assume its default reference is 3.3V. But it may be 5V as well and I don't want to mess up...

Thank you in advance.

Gericom


Hey there.

I'm assembling a circuit here and I wondered "what is the default analog reference for DUE?" I looked it up but I couldn't find it. Since due runs at 3.3V I assume its default reference is 3.3V. But it may be 5V as well and I don't want to mess up...

Thank you in advance.


It's 3,3v. But it can only read in a range from 1/6 to 5/6 of the reference voltage.
Subscribe my youtube channel: http://www.youtube.com/user/MKDS3

goncalor

Ok, thanks. About that "1/6 to 5/6 range" of the reference voltage: any reason why it only reads in that range?

Graynomad

Quote
But it can only read in a range from 1/6 to 5/6 of the reference voltage.

Do you have a reference for that Gericom, crippling an ADC like that would be quite extraordinary and the data sheet states

Quote
The conversions extend from 0V to ADVREF


______
Rob

Rob Gray aka the GRAYnomad www.robgray.com

goncalor

Quote
crippling an ADC like that would be quite extraordinary


I, too, think that. It would be weird. Reading only from 1/6 to 5/6 would mean putting 1/3 of the values in the trash can...

Gericom


Quote
But it can only read in a range from 1/6 to 5/6 of the reference voltage.

Do you have a reference for that Gericom, crippling an ADC like that would be quite extraordinary and the data sheet states

Quote
The conversions extend from 0V to ADVREF


______
Rob



Oh, sorry. I remember. It was for the dac output. Then I think it can read fron 0-3.3v indeed.
Subscribe my youtube channel: http://www.youtube.com/user/MKDS3

goncalor

Quote

Oh, sorry. I remember. It was for the dac output. Then I think it can read fron 0-3.3v indeed.


Ah, better now haha. Thanks Gericom.

Go Up
 


Please enter a valid email to subscribe

Confirm your email address

We need to confirm your email address.
To complete the subscription, please click the link in the email we just sent you.

Thank you for subscribing!

Arduino
via Egeo 16
Torino, 10131
Italy