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Re: Simple D/A converter?

by Byron Jeff-2 :: Rate this Message:

On Wed, Apr 11, 2012 at 07:38:17PM +0200, Wouter van Ooijen wrote:
> On 11/4/2012 7:20 PM, Neil wrote:
> > Hi all,
> >
> > Can any of you recommend a D-to-A converter with a single-wire
> > digital-side interface? As small as possible -- roughly SOT23-5 to
> > SSOP-8 would be good, 5V powered, 0-5V output (I'll actually do 0.5V to
> > 4.5V output with it).
>
> I'd opt for a PIC. UART in, PWM out.

Why not do software PWM on the existing I/O pin then? All that is needed is
a low pass filter.

BAJ

>
> --
>
> Wouter van Ooijen
>
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> Van Ooijen Technische Informatica: www.voti.nl
> consultancy, development, PICmicro products
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> C++ on uC blog: http://www.voti.nl/erblog
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--
Byron A. Jeff
Department Chair: IT/CS/CNET
College of Information and Mathematical Sciences
Clayton State University
http://cims.clayton.edu/bjeff
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