[sdiy] TLC272 trouble

[Neil Johnson]

Richie Burnett wrote:
> Just remember to make sure that the op-amp is unity-gain stable before
> doing this. Otherwise, you might find the op-amp oscillating loudly at
> several MHz, and heating up the silicon.

True, true.  Fortunately in this case the TLC272 is unity-gain stable, 
and if you're really chancing it the inputs can go to the GND rail.

> Unity gain follower is okay for most old slow op-amps. But, some modern
> high-performance op-amps are compensated for optimum performance at
> higher signal gains and are borderline stable with full negative feedback.

Don't worry ... according to "analog guru David G. Dixon" we only need 
the TL074!

:-)

Cheers,
Neil
-- 
www.njohnson.co.uk