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PTH05050W: Full MPN=PTH05050WAZ, why side chips are different on each module

Part Number: PTH05050W
Other Parts Discussed in Thread: TPSM82866A

Hello, I purchased  PTH05050WAZ, but received parts are with different side chips。 Could someone help explain?  Can we use same functions of side chips with different MFG brand on  PTH05050WAZ PCB board? Any documents can be provided/shared to identify the correct side chips which should be installed on the board of PTH05050WAZ?  

Some parts of  PTH05050WAZ,  side chips are 2 chips of AD7716A

Some parts of  PTH05050WAZ, side chips are FDMC7692S  & ISL6526AIRZ