On 4/22/05, Mauricio Jancic <info@janso.com.ar> wrote:
> Try taking a look at this:
> 
> http://www.piclist.com/techref/microchip/aout.htm
> http://www.piclist.com/techref/microchip/d2a.htm
> 
> The first link is GREAT!

   With the objection that will never meet the industrial
specifications for 4-20mA, which is minimum 1K load. With other words,
the operational amplifier supplied at  12-15V will never be able to
generate 4-20mA on 1K load. Else might be ok, even the liniarity of
this DA converter near 0V is very pour.

Vasile
http://surducan.netfirms.com

> 
> Mauricio Jancic
> Janso Desarrollos - Microchip Consultants Program Member
> info@janso.com.ar
> www.janso.com.ar
> (54) 11 - 4542 - 3519
> 
> 
> > -----Original Message-----
> > From: piclist-bounces@mit.edu
> > [mailto:piclist-bounces@mit.edu] On Behalf Of Antonis Iliopoulos
> > Sent: Friday, April 22, 2005 11:32 AM
> > To: Microcontroller discussion list - Public.
> > Subject: Digital to ANALOG
> >
> >
> > Dear all,
> >
> > I know about analog to digital but how could you do DIGITAL
> > to ANALOG?  Is there an internal function?
> >
> > I would like to supply form the PIC another device with up to
> > 3 volts with a resolution of 50mV is that possible?
> >
> >
> >
> > Regards
> >
> > Antonis
> >
> >
> >
> >
> >
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