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A New Friend of My Pickit2

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mikeselectricstuff:

--- Quote from: EEVblog link=topic=933.msg11817#msg11817
A couple of the more obscure AVR's have programmable gain diff amps which is nice.
Dave.
[/quote ---
..well it would be if the diff-amp performance didn't suck ass - I used a Tiny26 a few years ago for a PT100 app & found the opamp reduced the overall performance to below 8 useable bits. A cheap external opamp had way less noise and offset error. I can see why they didn't bother putting it in other devices.
--- End quote ---

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