> What Im contemplating is using 90 of these arranged in a matrix with 9  
> columns and 10 rows per column.  Each column would share an output pin  
> from the PIC which I shall refer to as "column select" This would be  
> wired in parallel to the COM pin of the MAX4626.  The IN pin would go  
> to the wire I want to sample which has a voltage divider on it to drop  
> it to 5v.
> Does that sound reasonable

IMHO a bunch of analog muxers (4051 or the like) would be much easier.

Most analog switches require their in/out voltages to be within the 
gnd-power range. Is that the case in your design?

-- 

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
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