I was perusing about today and found a helpful document about OP-Amps. It’s distributed by Texas Instruments and it looks really good even though I haven’t read it for the most part. You can get it here:

http://focus.ti.com/lit/an/slod006b/slod006b.pdf

Or you can download from my site, just in case it got flushed down the digital void somehow.

opamps-for-everyone

Have fun!