In my application, I want to use VDD/VSS +12V/0V and +3.3V for VL for supplies
the ADG2128 analog crosspoint. In the datasheet it is not clear if VL=3.3V is
VL=3.3V a is valid option. Refer to the evaluation board schematic in figure 37
of the datasheet where a VL=3.3V option is provided.