Sure, multiplexing is not a problem. Fortunately temperature variation is
slow.
But if I'll go to simultaneous sampling with an external ADC ?

On Thu, Oct 15, 2015 at 7:23 PM, Mike Hord <mike.hord@gmail.com> wrote:

> Everything looks like a PSOC to me, lately. :-)
>
> Multiplexing a PSoC5LP ADC to 25 channels at a 10Hz refresh rate is
> trivial.
> Sending that data back across USB is only slightly less so, depending on
> what the other end looks like.
>
> Mike
>
> On Thu, Oct 15, 2015 at 10:06 AM, embedded systems <piclist9@gmail.com>
> wrote:
>
> > Hi all,
> > I need a microcontroller with a lot of A2D and USB interface. I want to
> > read 25 RTDs with a refresh rate of about one/100mS. Maybe PIC18LF45K50=
?
> > Any better choice? Maybe Atmel?
> >
> > How would you approach this?
> >
> > thx,
> > Vasile
> > --
> > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
> > View/change your membership options at
> > http://mailman.mit.edu/mailman/listinfo/piclist
> >
> --
> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist
>
--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.