[sdiy] tl ic question

[mailing gigaspeeds]

Thank you all for the info ! Much appreciated.
And why don't we give Paul a medal for using over 31,844 tl's ? ;-)

thx
Benjamin

Tim Parkhurst wrote:
> On Sat, Jul 11, 2009 at 12:47 AM, mailing
> gigaspeeds<mailing at gigaspeeds.be> wrote:
>   
>> *
>> Hi,
>>
>> Just starting out and have a couple of questions concerning parts (again :p
>> ).
>>
>> the TL series... there's TL072CP/CN/IP/BCN etc... a bit confusing for a
>> beginner :p
>>
>> For the mankato filter I need for instance tl074BCN but the store where I
>> order stuff only has the : TL074CP ... Is it ok to substitute it ?
>> Where lies the difference, or what is the most important value I have to
>> compare in a datasheet to see the difference ?
>> The low noise model (IP), does it really make a difference ?
>>
>> I also can't seem to find the : tempco (or temco) 2K +3500ppm/C°, do they
>> have alternate names maybe ?
>>
>> as usual, thx for the help !
>>
>> Benjamin
>> *
>>     
>
> Hey Ben,
>
> Lotsa good responses here, and they're all correct. By the way, if you
> ever get advice from Paul Schreiber, take it and count yourself lucky.
> Mr. Paul knows his stuff!
>
> The main difference between the TL074Axx, Bxx, and Cxx grades is the
> voltage offset. I spec'd the B grade as it was only a few cents more
> at Mouser, and it had the lowest offset. It probably won't make much
> of a difference (the 074s in the Mankato are in the audio section),
> but I thought it would help keep the all of the sections matched a
> little better. Feel free to sub an A or even a C grade for the
> Mankato.
>
> And yes, we do have the 2k tempcos for $3.50 at Magic Smoke (less if
> you buy two or more).
>
>
> Tim (lower grade, but cheaper) Servo
>