[sdiy] Older, more complete, uA726 datasheet?

[Colin Hinz]

FWIW the long version is not in the 1970 databook.

- Colin

On Fri, 2 Dec 2022, Oren Leavitt via Synth-diy wrote:

> I have a 1972 IC databook with the uA726 datasheet. I can make a scan of it 
> when I get home Sunday.
>
> - Oren
>
> On 12/2/22 3:49 PM, Tim Stinchcombe wrote:
>> Hi list,
>> I have been looking at the Fairchild uA726 datasheet that is widely
>> available on the net, and it struck me that there isn't really much info on
>> it about how to select the value of the resistor to use on pin 6 to set the
>> temperature. Looking at the archives it is clear that this has been noticed
>> before, but then I came across this message which indicates that there *is*
>> likely an older datasheet with extra charts which are not to be found on 
>> the
>> usual one:
>> http://search.retrosynth.com/synth-diy/search/lookit.cgi?-v9902.413
>> 
>> This reply to that post specifically mentions charts which apparently don't
>> correspond to any on the usual datasheet found online:
>> http://search.retrosynth.com/synth-diy/search/lookit.cgi?-v9902.419
>> (Is Terry Michaels still around?)
>> 
>> I found a large collection of old Fairchild databooks here:
>> https://www.rsp-italy.it/Electronics/Databooks/Fairchild/index.htm
>> 
>> and searching through those only turns up the usual 'cut-down' version, the
>> oldest being from 1973. Frustratingly the 1969 databook, which lists the
>> uA726 in the contents as being in chapter *6*, only goes up to chapter 5, 
>> so
>> this _might_ be a candidate for containing the older data..?
>> 
>> Does anyone here have a really old databook with the uA726 in it which
>> contains the 'missing data', or an older copy of the actual datasheet, 
>> which
>> could be scanned and made available to the masses? (Or indeed is there one
>> already out there that I have missed?) After a lot of searching around this
>> afternoon and evening, it would be nice to 'plug' this apparent hole our
>> collective uA726 knowledge.
>> 
>> Thanks,
>> 	Tim
>> __________________________________________________________
>> Tim Stinchcombe
>> 
>> Cheltenham, Glos, UK
>> email: tim102 at timstinchcombe.co.uk
>> www.timstinchcombe.co.uk
>> 
>> 
>> 
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