[Fwd: Re: Op Amp pinouts was Re: [sdiy] more LM3900 stuff]

Seb Francis seb at burnit.co.uk
Tue Jan 17 20:55:51 CET 2006


> I find that at low supply voltages the OP275 distorts undesirably.  I 
> find
> that a much better alternative is the OP270.
>
>
>
But at higher supply and signal voltages you might find the opposite is 
true - the slew rate of the OP275 is ~10 times the OP270.  The offset 
voltage and drift is however much smaller for the OP270 which might be 
useful in applications which handle pitch CVs as well as audio.

Seb




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