On Sun, 7 Mar 2010 21:46:23 +1300, "Russell McMahon"
<apptechnz@gmail.com> said:
> > I'm looking for a single supply voltage to frequency converter.
> > I don't need great specs.
> 
> What sort of frequency range is required?
> How important is cost and total footprint?
> Only square wave out OK.?

10KHz is fine.
US$ 5 for all the parts including an optoisolator.
Size isn't a problem but fewer parts is always better.
Square wave is what I need.
3% accuracy 0 to 50 C.


This is an isolated voltage measurement application.

Thanks,

Bob

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