[sdiy] Buffer question

[blacet at blacet.com]

The only output protection I have ever used is a 1K resistor. Zero blown
CMOS in the last umpteen years. I'm sure this was arrived at by careful
consideration of the CMOS output structure. Most likey from info from the
manufacturer or Don Lancaster (" CMOS Cookbook").


> Ingo Debus wrote:
>
>> So the opamp would be killed instead of the CMOS chip, no? Is there
>> anything gained?
>
> Op-amps are more robust that CMOS logic gates.  Go look up "SCR Latchup".
>
> Cheers,
> Neil
> --
> Modules and more: http://www.cesyg.com
> Homepage: http://www.njohnson.co.uk
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