Hi,
The V-in has to be less than V-ref at least by a little (dynamic range of v-in), so
use 5 Volt ref or use 50 ohm dropping R ( gives 1 volt at 20 ma)
Don
|
Re: ADC missing steps using 1 volt Vref
Hi,
The V-in has to be less than V-ref at least by a little (dynamic range of v-in), so
use 5 Volt ref or use 50 ohm dropping R ( gives 1 volt at 20 ma)
Don
|
Re: ADC missing steps using 1 volt Vref
Alain,
I found in TABLE 26-24: - A/D Converter Characteristics, that (VREFH - VREFL) is 3v min.
Thanks for pointing me in the right direction.
Marv
Members who have read this thread : 0You do not have permission to view the list of names.
Posting Permissions
Bookmarks