AD2S1210 resolution setting

Hello

             Customer would like to meet 16000rpm ( 266.6rps). Do you have any suggestion or comments for 12bit or 14 bit resolution that more suitable for this specification?  It looks max rps of 12 bit and 14 bit should meet 266.6 rps. Thank you. 

 

Xtal:8.192Mhz

Pole pair: 4

Speed: 16000rpm (266.6rps)

       

BR

Patrick