My experience with the 324 is that it will swing to within a few mV of gnd, as specified. Have you had trouble with this? At 08:50 AM 4/17/2002, Tony Clark wrote: > Most likely a LM324 is only going to put out something >like 1.2V-10.8V and an TL08x is more like 0.9V to 9.1V (or something >close to that).