[sdiy] low input bias current opamps

[David Manley]

On 8/14/18 8:43 PM, David G Dixon wrote:

> Hey Team,
>
> I'm looking for opamps with the following properties:
>
>
> 7) Not LF444 (cuz they all seem to be defective)
>
> So, basically, I'm looking for a suitable alternative for LF444.
>
Hi Dave,

Just wondering if you could expand on #7?

This device has been around forever and is still in production at TI, so 
perhaps it is something about the application not the device?

You could also try this if you don't mind the cost:

http://www.analog.com/media/en/technical-documentation/data-sheets/10578fd.pdf

-Dave