[sdiy] TL072??

[Dan Snazelle]

mark

it was on the tracer city!

Sent from my iPhone

> On Jun 11, 2014, at 12:31 PM, "mark verbos" <mverbos at earthlink.net> wrote:
> 
> I don't remember that ever happening. I use TL082 for most audio path stuff and TL062 for most control path stuff. I don't ever use TL072, but I assume they are pretty much the same as TL082.
> 
> Mark
> 
> 
> 
> 
> 
>> On Jun 11, 2014, at 12:10 PM, Dan Snazelle wrote:
>> 
>> they are not always interchangeable
>> 
>> at least not in terms of certain applications.
>> 
>> i can think of at least one case of my own and im pretty sure others have told me of cases where they needed an 82 vs 72 or vice versa. ( my instance was involving a product of mine and in the BOM there is an 82) where a. 82s (poorer?)
>> performance versus the 72 was more desirable.
>> 
>> (it was in an lfo btw)
>> 
>> however this was NOT based on a noise consideration but, I seem to recall (this was waaaay back in 2009) based on either slew or current.
>> 
>> 
>> maybe verbos can remember ?
>> 
>> 
>> best
>> 
>> 
>> 
>> 
>> Sent from my iPhone
>> 
>>> On Jun 11, 2014, at 12:23 AM, "David G Dixon" <dixon at mail.ubc.ca> wrote:
>>> 
>>> I think they're interchangeable. 
>>> 
>>>> -----Original Message-----
>>>> From: synth-diy-bounces at dropmix.xs4all.nl 
>>>> [mailto:synth-diy-bounces at dropmix.xs4all.nl] On Behalf Of Tim Ressel
>>>> Sent: Tuesday, June 10, 2014 9:04 PM
>>>> To: Synth-Diy
>>>> Subject: [sdiy] TL072??
>>>> 
>>>> Hi,
>>>> 
>>>> Someone please explain to me the difference between the TL072 
>>>> and the TL082. I keep hearing about its low noise, but 
>>>> according to the datasheets the noise is identical, as is the 
>>>> input offset current. The input bias current is actually 
>>>> higher on the TL072.  
>>>> 
>>>> I don't get it.
>>>> 
>>>> 
>>>> 
>>>> Tim Ressel
>>>> Circuit Abbey
>>>> 503-750-9331
>>>> timr at circuitabbey.com
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