SN65LV1224B-EP: Grounding SN65LV1224B-EP and SN65LV1023A-EP

Hello.

I use SN65LV1224B-EP, SN65LV1023A-EP and DS10CP152Q as SerDes.

This Device consist AGND and DGND.
In PCB Design, Whether it is necessary to separate AGND and DGND?

I use two Ferrite Bead for Isolate its. (Part Number Ferrite-bead BLM21AG471SN1)

Thanks for Attention :)