[sdiy] low input bias current opamps

Nathan Trites nathan at idmclassics.net
Wed Aug 15 16:05:08 CEST 2018


Usually it's about the same as Mouser but with a worse search. I always
compare prices on pots, encoders, switches, jacks, sockets, etc... I don't
have any specific examples but do remember that one order I made last year
was ~$40 less at Digikey because the price breaks were better.

N

On Wed, Aug 15, 2018 at 5:58 AM, mark verbos <markverbos at gmail.com> wrote:

> Why does anyone like Digikey? Is it a Canadian thing? I also hate their
> search system.
> I use Mouser for almost everything. They usually have the best price and
> the search engine is very usable.
>
>
> Mark
>
>
>
>
>
>
>
> On Aug 15, 2018, at 9:15 AM, David G Dixon <dixon at mail.ubc.ca> wrote:
>
> Um...
>
> I spent an hour on Digikey today.  If you put in "Op amps" and filter for
> 4 units per package in through hole format, you get like 21 hits, none of
> which include any of the opamps I'm already aware of.
>
> I'm just too stupid to use the Digikey thing for finding parts.
>
> The Digikey filter thing makes me want to kill myself.  That's why I come
> here and ask you guys.  Cuz I don't wanna die young.
>
> ------------------------------
> *From:* James Grenert [mailto:grenert at gmail.com <grenert at gmail.com>]
> *Sent:* Tuesday, August 14, 2018 9:54 PM
> *To:* David G Dixon; 'SDIY List'
> *Subject:* Re:[sdiy] low input bias current opamps
>
> TL034?
> The parametric filtering on suppliers like Digikey/Mouser is pretty good
> these days to find products with the desired characteristics.
>
>
> -------- Original Message --------
> Subject: [sdiy] low input bias current opamps
> From: David G Dixon
> To: 'SDIY List'
> CC:
>
>
> 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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