[sdiy] Adding CA3140 to archive...

[Roy J. Tellason]

On Wednesday 04 January 2006 11:33 am, Harry Bissell Jr wrote:
> The 3140 is useful for applications where you want a really, really
>   high input impedance... mainly S/H  or inregrator applications..
>
>   Its offset voltage is not great, in many cases the TL071 would be
>   a competitor in input impedance.
>
>   H^) harry
>
> Aaron Lanterman <lanterma at ece.gatech.edu> wrote:
> As you may have seen I like to put little notes so the students (or
> whoever) can have sense of when to use what part... someone suggested I
> add the CA3140 (which I have seen in many designs) - when would I want to
> use it vs. some other op amp?
>
> (As I'm adding notes, I'm going to try to appropriately credit who came up
> with them...)
>
> - Aaron

Doesn't the 3140 also do better with extremely low supply voltages?

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