I found the UG-084.pdf of an evaluate board. And I haven't see any figure of
the bottom and power layer, Do you have any more details about it?
Here is the two layers that were missing.
A00973c(2) is the ground layer with the cutout.
A00973c(3) is the +Vs, -Vs and ground plane. I marked the +Vs, -Vs and grd as