ADG1434 power supply

I am thinking of using the ADG1434 with a VDD of +24 and VSS connected to GND.  This appears to be a valid configuration because the data sheet lists VDD to GND as a maximum of 25V, but I am nervous because 24V is pretty close to the maximum.  Also, the only single supply parameters I see are for +12V.  Should I be using something else?  In my application, a couple of the signals I need to switch in are +24V. 

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