Theta JA(Junction to Ambient Temperature) and Theta JC (Junction to case Temperature)

Q 

Theta JA and Theta JC are not mentioned  which is very much needed for my
Project Please Help me

A 

ADG508F------------16 Pin SOIC this is the package they are using.Theta JA =
55.6
Theta JC = 29.3
Data is for a 4 layer board.