Hello,
I've a problem with this device. The sample rate is 42 MHz but the output bit clock is very slow, about 108 KHz:
-the imput clock is LVDS AC coupled 340 mV pk-pk;
-the power up process is correct, like the datasheet;
-the PD pin is shorted to ground;
- the output bit clock (LCLK) has a perfect square shape at 108 KHz
this is the schematic
have you any suggest? thank you 
