[sdiy] Aaron's updated datasheet and ap note archive

[Ian Fritz]

At 07:51 PM 1/5/06, harrybissell wrote:

>I'd sat the LM324 'is' a single supply opamp (primarily and
>preferredly)...
>
>It does have input common mode range down to 'ground' (thank you PNP
>input
>stage)... and the output can come within 200mV to 700mV of ground...
>pretty damn close in most cases.

Harry, Jim, et al. --

I discovered a trick -- if the output has ~3k to ground, then it will come 
to within ~4mV of ground.  I used the LM324 for all the analog controller 
signals in my MIDI wind controller:
http://home.earthlink.net/~ijfritz/sos_circ.htm

   Ian