From: Ryan O'Connor <rocifier@gmail.com>
To: Microcontroller discussion list - Public. <piclist@mit.edu>
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Date: Sat, 4 Sep 2021 07:06:13 -0700
Subject: Re: [EE] Looking for op-amp recommendations
Thread-Topic: [EE] Looking for op-amp recommendations
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Why not just plug your requirements into a parametric search? If you're
doing high-end audio then here is an example search at TI which results in
2 possible candidates, neither quad channel though:
https://www.ti.com/amplifier-circuit/op-amps/audio/products.html#p1261max=
=3D5.5;32.8&p23typ=3D5;180&p22typ=3D5;2000&~p78=3DIn;Out

Ryan

On Sat, 4 Sept 2021 at 23:30, John Lawton <piclist@jle.co.uk> wrote:

> I'm a fam of the OPA4191 which offers rail to rail I/O and wide supply
> range.
> They are a mite expensive though.
>
> John
>
> On 03/09/2021 21:06, David VanHorn wrote:
> > And the crossover distortion is horrible on the 1/2/324 amps.  A pullup
> on
> > the output will help, essentially making it class A.
> >
> >
> > On Fri, Sep 3, 2021 at 1:50 PM Neil <picdude3@narwani.org> wrote:
> >
> >> I've looked for the same thing a couple years ago and had found some
> >> decent youtube videos by TI and others.
> >> Unless it's for some specific instrumentation use, I usually just go d=
ig
> >> through my samples/jellybean bin and check the datasheets of those.
> >> Usually end up with some MCP6xxx or INA part.
> >> FWIW, I'm always disappointed with the 741/324 for my purposes as it c=
an
> >> be very far from rail-to-rail.
> >>
> >> Cheers,
> >> -Neil.
> >>
> >>
> >>
> >> On 9/3/2021 2:29 PM, Dwayne Reid 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 i=
n
> >> 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
> >>>
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