[sdiy] low input bias current opamps

[Tim Ressel]

I looked at this:
http://www.ti.com/lit/ds/symlink/tle2064.pdf
For room temperature it shows 4pA typical, but full temp range it shows 
1-3nA max.

See what I mean about getting punked?

--tr


On 8/15/2018 10:26 AM, David Moylan wrote:
> http://www.ti.com/product/TLE2064#parametrics
>
> shows 60pA max
>
> On 08/15/2018 10:22 AM, Tim Ressel wrote:
>> Yo,
>>
>> Searching all the manufacturers websites can be a pain. What I do is 
>> use the distributors website as a search engine for parts.
>>
>> A cursory search on Digikey yielded 2 parts:
>> OPA404
>> TLE2064
>>
>> Actually it yielded more, but when I looked at the datasheets I saw 
>> the Ib for most of them was <10pA typical but much higher max. The 
>> two above are <10pA max. Make sure you look at the datasheet to make 
>> sure you aren't being punked.
>>
>> --timmers
>>
>>
>>
>> On 8/14/2018 8:43 PM, David G Dixon wrote:
>>> Hey Team,
>>>
>>> I'm looking for opamps with the following properties:
>>>
>>> 1) Through-hole
>>> 2) Quad opamp
>>> 3) 14-DIP package
>>> 4) High power range (+/-18V, say)
>>> 5) Low input bias current (10 pA or less typical)
>>> 6) Pin-compatible with TL074, etc.
>>> 7) Not LF444 (cuz they all seem to be defective)
>>>
>>> So, basically, I'm looking for a suitable alternative for LF444.
>>>
>>> So, here are my questions:
>>>
>>> A) Do you know of such a thing
>>> B) How does one go about finding such a thing, generally?
>>>
>>> Thanks in advance!
>>> Dave (Floating VCA) Dixon
>>>
>>> _______________________________________________
>>> Synth-diy mailing list
>>> Synth-diy at synth-diy.org
>>> http://synth-diy.org/mailman/listinfo/synth-diy
>>>
>>
>

-- 
--Tim Ressel
Circuit Abbey
timr at circuitabbey.com