by "Phil Allison" <philallison@[EMAIL PROTECTED]
>
Jul 5, 2008 at 10:18 AM
<angus.oliver@[EMAIL PROTECTED]
>
>
> Having found dual op amp packages around a fifth the price of
> comparable single packages from online distributors, I think i'll go
> for the double.
> (BTW, I'm using supply of +16, and ground).
>
> I don't want the unused channel drawing current unnecessarily though,
> or bouncing the output around.. - If I tie the non-inverting input to
> +3.3V, and have a high resistance feedback resistor to the inverting
> input (with no other input to that pin), would that be as good as
> anything? I figure the output won't have to 'try' very hard to modify
> the voltage of an input pin with no other voltages on it..
>
> Am I right?
** Use the spare op-amp to do something - like buffer the output of other
one.
No extra current draw involved.
...... Phil
