[sdiy] looking for a quad opamp

[Czech Martin]

Unfortunately the 4136 has some odd pinout.
I have seen quad 741 ICs, perhaps they still exist.

m.c.

> -----Original Message-----
> From: jhaible at debitel.net [mailto:jhaible at debitel.net]
> Sent: Mittwoch, 27. August 2003 16:44
> To: synth-diy at dropmix.xs4all.nl
> Subject: [sdiy] looking for a quad opamp
> 
> 
> I'm looking for a quad opamp to replace the LM324's in the PolyKorg
> Envelopes.
> 
> Requirements:
> =============
> 
> Unexpensive (need 25 of these)
> 
> Considerably faster than LM324 ( 10V/us slew rate would be fine)
> 
> Pin compatible with LM324 / TL084 etc.
> 
> Low input current (as 324, or better)
> 
> Single supply opertaion 15V with input common mode range including 0V
>   and output swing down to ca. 0.5V without load
> 
> 
> The last requirement will not allow classic BiFet opamps
> like TL084 or LF347.
> 
> So I guess I have to look for a rail-to-rail quad opamp.
> Any recommendations? 
> 
> Thanks,
> 
> JH.
> 
> 
> 
> 
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