Re: Simple D/A converter?

What exactly do you mean by "clamping the output"?  I actually need 0.5V
to 4.5V output, and Vdd will be 5V.  But I was looking for the A/D
feedback,etc for accuracy, since the PWM voltage output will be subject
to variations in Vdd.

Cheers,
-Neil.



On 4/12/2012 4:41 AM, Richard Prosser wrote:
> How about clamping the output PWM at a level a bit below the supply
> voltage? That would reduce the dependency. Just watch out for
> temperature variation! RP

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