Well, the accelerometer I'm looking at is, in fact, not the KOP one, so I'm going to provide that datasheet instead:
http://www.analog.com/en/sensors/ine...s/product.html
(can be purchased here:
http://www.sparkfun.com/commerce/pro...roducts_id=849)
It says the output is ratiometric; the output scaling is proportional to the voltage input. Does that imply it's a true analog device, without a DA converter?