[sdiy] low current opamps

[Gergo Palatinszky]

Hi,

Look into the data sheet ... some spec worst compared to 072/082

Br,
	Pala

-----Original Message-----
From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-bounces at dropmix.xs4all.nl] On Behalf Of Dan Snazelle
Sent: 2009. szeptember 9. 0:24
To: sdiy
Subject: RE: [sdiy] low current opamps



ouch

1.50 a piece is steep. so used to 50-75 cents for 72/82's

maybe I WILL go with tlo62's

they didnt seem to work as well but that could have been my error

any fans of the TL06x series here??

thanks







----------------------------------------
> From: dingebre at 3dphysics.net
> To: subjectivity at hotmail.com; lightburnx at yahoo.com; synth-diy at dropmix.xs4all.nl
> Subject: RE: [sdiy] low current opamps
> Date: Tue, 8 Sep 2009 15:24:02 -0600
>
> Re-post with the "good" subject.
>
> Digikey has the LF442 in stock for about $1.50.
>
> ~~ -----Original Message-----
> ~~ From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-
> ~~ bounces at dropmix.xs4all.nl] On Behalf Of Dan Snazelle
> ~~ Sent: Tuesday, September 08, 2009 3:03 PM
> ~~ To: lightburnx at yahoo.com; synth-diy at dropmix.xs4all.nl
> ~~ Subject: RE: [sdiy] low current opamps
> ~~
> ~~
> ~~
> ~~
> ~~
> ~~ sorry...not sure why the NO SUBJECT thing happened...hotmail messed up my
> ~~ email
> ~~
> ~~ anyway...i was referring to low current draw opamps....I am using a DC TO
> DC
> ~~ converter to get +/-15volts
> ~~
> ~~ However, i have found that if i use 8 dual tl072's, a 13700 or two, and a
> ~~ regulator, it starts draining the DC TO DC converter TOO MUCH (the
> voltage
> ~~ meter starts reading +/-8 volts)
> ~~
> ~~ so with lf442 i can do it all and still be at =/-15
> ~~
> ~~ thanks
> ~~
> ~~
> ~~
> ~~ ----------------------------------------
> ~~> Date: Tue, 8 Sep 2009 10:42:39 -0700
> ~~> From: lightburnx at yahoo.com
> ~~> Subject: Re: [sdiy] (no subject)
> ~~> To: synth-diy at dropmix.xs4all.nl
> ~~>
> ~~> Try an LM358 (Mouser has em). Can work on a single supply even, if
> that's
> ~~ what you additionally meant by 9V battery. Though, it has a tenth of the
> slew
> ~~ rate of the LF442.
> ~~>
> ~~> http://www.national.com/mpf/LM/LM358.html
> ~~>
> ~~>
> ~~> _Kyle
> ~~>
> ~~> --- On Tue, 9/8/09, Dan Snazelle wrote:
> ~~>
> ~~>> From: Dan Snazelle
> ~~>> Subject: [sdiy] (no subject)
> ~~>> To: synth-diy at dropmix.xs4all.nl
> ~~>> Date: Tuesday, September 8, 2009, 9:52 AM
> ~~>>
> ~~>> since mouser doesnt carry the LF442 or Lf 444 I am looking
> ~~>> into other low power (good for 9v battery)
> ~~>> opamps in dual or quad
> ~~>>
> ~~>> thanks
> ~~>>
> ~~>> --------------------------------------------
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> ~~>>
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> ~~>>
> ~~>>
> ~~>>
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> ~~>>
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> ~~>>
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> ~~>>
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> ~~>>
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> ~~>>
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> ~~>>
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