Apptech wrote:

> TERMINATION OF UNUSED OP AMPS:
> 
> Connect unused opamps as a follower and then connect the 
> non-inverting input to a point that is within the common 
> mode range of the amplifier (preferably well within).
> 
> - Where there is a choice
> 
>     - Select a connection point with minimum AC variation.
> 
>     - Select a point where the amplifier will have minimum 
> impact on the original functionality.

One such point is probably the /output/ of the existing op-amp, rather than
paralleling the input. In general, the input range is wider than the output
range, and it's usually a low impedance point.

>     - Consider creating a simple 2 resistor divider where 
> the above conditions cannot be well met.
> 
>     - Not having any spare sections may be the best choice 
> if possible.

Gerhard

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist