Re: rp2040 a2d?

Am 13.03.25 um 01:52 schrieb john larkin:

An ADC inside a uP is tricky. There's too much noise, and the silicon
process is optimized for digital, not analog.

Some 20 years ago, I used an ADUC842 by Analog Devices
( 8051 + ADC + DAC + temp ). There was an ARM version, too.
Nothing for severe complaints.
< http://www.hoffmann-hochfrequenz.de/project_gallery/project_gallery.html     >
2nd picture from bottom. Maybe I should update the web site in
the next years.  ;-)
Cheers, Gerhard