[sdiy] low input bias current opamps

David G Dixon dixon at mail.ubc.ca
Wed Aug 15 09:17:37 CEST 2018


Preferably, I guess.  I'm using them for S&H buffers.  Is internal
compensation important in that application? 

> -----Original Message-----
> From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On 
> Behalf Of David Moylan
> Sent: Tuesday, August 14, 2018 10:39 PM
> To: synth-diy at synth-diy.org
> Subject: Re: [sdiy] low input bias current opamps
> 
> Internally compensated?
> 
> On 08/14/2018 10:31 PM, p. hendricks wrote:
> > Will this be used in a commercial product?
> > You may want to clarify the use further, so it doesn't 
> sound like an 
> > unpaid consulting job. Are you getting paid for this? If 
> so, what is 
> > the compensation for this?
> >
> > On 8/14/18 8:43 PM, David G Dixon wrote:
> >> Hey Team,
> >>
> >> I'm looking for opamps with the following properties:
> >>
> >> 1) Through-hole
> >> 2) Quad opamp
> >> 3) 14-DIP package
> >> 4) High power range (+/-18V, say)
> >> 5) Low input bias current (10 pA or less typical)
> >> 6) Pin-compatible with TL074, etc.
> >> 7) Not LF444 (cuz they all seem to be defective)
> >>
> >> So, basically, I'm looking for a suitable alternative for LF444.
> >>
> >> So, here are my questions:
> >>
> >> A) Do you know of such a thing
> >> B) How does one go about finding such a thing, generally?
> >>
> >> Thanks in advance!
> >> Dave (Floating VCA) Dixon
> >>
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> >
> >
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> 
> 
> --
> David Moylan
> Expedition Electronics
> sonic adventures!
> 
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