[sdiy] low current opamps

[Dan Snazelle]

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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