I need a bit more information to retrieve the correct documents. Can you confirm that you're talking about the RFPhy ICS and IXIT data for the nRF52833 and the nRF5430?
The RF-PHY qualification was not done for each separate chip in the nRF52 series. They share a common QDID. It's therefore the same. Attached are the RF-PHY ICS and IXIT for both devices: