[sdiy] Happenin' new opamp

[Jarno Verhoeven@ziggo.nl]

Ah yes, and if you need 11 you probably were glad that they are not 10
euro/usd/gbp each :-)

> Op 23 mei 2017 om 23:24 schreef Tim Ressel <timr at circuitabbey.com>:
> 
> 
>  They don't say explicitly as far as I can see, but the internal diagram shows
> FETs.
> 
>  I am doing a design that has 11 dual amps in it and noise became an issue.
> The OPA1678 really helped. I guess that's why I'm liking it.
> 
>  --tim
> 
> 
>  On 5/23/2017 2:14 PM, Jarno Verhoeven at ziggo.nl mailto:Verhoeven at ziggo.nl
> wrote:
> 
>      > >      I don't think I'll ever finish that stick of DIP TL074's I
>      > > bought a while back, do love quad SMT opamps, nice n compact :-)
> >      Looks like a nice opamp indeed, about 1 euro in 10's. Somewhat higher
> > supply current compared to TL074, and a tiny bit slower. But only a third of
> > the noise, nice.
> >      Not exactly a bruiser of an output stage, same as TL074. Interestingly,
> > they don't mention the inputs, but it has to be JFET right?
> >       
> >      Regards,
> >       
> >      Jarno.
> >       
> >       
> > 
> >      > Op 23 mei 2017 om 21:30 schreef Tim Ressel <timr at circuitabbey.com>
> >      > mailto:timr at circuitabbey.com :
> >      >
> >      >
> >      > Hey,
> >      >
> >      > Writing to say the OPA1678 from TI is a pretty nice little amp. Low
> >      > noise, low distortion, low bias current, low cost. Is a dual; OPA1679
> >      > is
> >      > a quad. SMT only, sad to say, but that be the times we live in.
> >      >
> >      > http://www.ti.com/lit/ds/symlink/opa1678.pdf
> >      >
> >      > --
> >      > --Tim Ressel
> >      > Circuit Abbey
> >      > timr at circuitabbey.com mailto:timr at circuitabbey.com
> >      >
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> > 
> > 
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> >  > 
>  -- 
>  --Tim Ressel
>  Circuit Abbey
>  timr at circuitabbey.com mailto:timr at circuitabbey.com
> 

 

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