From: Dwayne Reid <dwayner@planet.eon.net>
To: Microcontroller discussion list - Public. <piclist@mit.edu>
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Date: Fri, 3 Sep 2021 13:04:14 -0700
Subject: Re: [EE] Looking for op-amp recommendations
Thread-Topic: [EE] Looking for op-amp recommendations
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Hi there, David.

I should have been a bit more explicit.  Single-supply operation=20
(implied when I said 12 Vdc), outputs go to Ground (or thereabouts),=20
inputs work down to 0 Vdc.  The TL0xx family does not include Vee /=20
Vss within their operating range.  Although the desired voltage range=20
goes down to the negative rail, it is entirely okay if the max I/P or=20
O/P voltage is a volt or two below the positive rail.

GBW 1 MHz or greater.
Slew rate 5V/us or better

Operating frequency range is DC to audio frequencies (20 KHz or less).

I mentioned the LM324 because it is "Good Enough" for so many of my=20
projects.  It's a good baseline to start from.  One of my favorite=20
better chips is the LT1013 - something similar or better.

Many thanks!

dwayne


At 01:37 PM 9/3/2021, David VanHorn wrote:
>You're still pretty broad.  The TL074 opamps are nice.
>
>How much GBP do you need, and at what frequency?
>
>
>Bob Pease of national semiconductor once said: "National makes lots of goo=
d
>opamps.  The 324 is not one of them".
>He could get away with stuff like that.
>
>
>On Fri, Sep 3, 2021 at 12:31 PM Dwayne Reid <dwayner@planet.eon.net> wrote=
:
>
> > Good day to all.
> >
> > I'm starting a new project and am looking for an upgraded
> > LM324.  That is: quad op-amp available in both DIP as well as SOIC
> > package, better input offset specs than the LM324, higher GBW than
> > the LM324.  This will be operating from a 12 Vdc supply.
> >
> > There are tens of thousands of candidates available and I am asking
> > for help in narrowing that down to a few choices that I can examine in
> > detail.
> >
> > I can also use dual or even single op-amps but the quad fits the
> > project perfectly.
> >
> > I would ask on Electronics.Stack Exchange but I think that requests
> > for product recommendations are strictly verboten.
> >
> > Many thanks!
> >
> > dwayne
> >
> > --
> > Dwayne Reid   <dwayner@planet.eon.net>
> > Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
> > 780-489-3199 voice   780-487-6397 fax   888-489-3199 Toll Free
> > www.trinity-electronics.com
> > Custom Electronics Design and Manufacturing
> >
> > --
> > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
> > View/change your membership options at
> > http://mailman.mit.edu/mailman/listinfo/piclist
> >
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--=20
Dwayne Reid   <dwayner@planet.eon.net>
Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
780-489-3199 voice   780-487-6397 fax   888-489-3199 Toll Free
www.trinity-electronics.com
Custom Electronics Design and Manufacturing
--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
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