roland 4558 op amp data.

harry harrybissell at prodigy.net
Mon Jan 15 05:29:56 CET 2001


The 4558 is actually a pretty quiet chip... It was common as a preamp
chip in its day. I made the mistake of thinking I could do better and ripped
tham out of a circuit... then read the data sheet and put them back in !!!

H^) harry

Richard Ford wrote:

> In message <3A61827C.9839831A at terra.com.br>, Edu Silva
> <bahi0387 at terra.com.br> writes
> >
> >Richard Ford wrote:
> >>
> >> Surely a TLo72 would be better. Very low noise at a low price.
> >
> >
> >Beware. It can oscilate, under certain conditions. The 4558 (espaecially
> >the old RC type) is far more stable.
> >
> That's interesting. The problem with the 4558 is the high noise
> level/low bandwidth. How about an LM353?
> --
> Richard Ford




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