Is there an IBIS model for the ADM3260 or a similar device that could be used. This is an Isolated I2C transceiver.
There is not an ADM3260 IBIS model available. For an immediate work around, the ADuM1250 and ADuM5010 IBIS models.
ADUM1250 Datasheet and Product Info | Analog Devices
ADUM5010 Datasheet and Product Info | Analog Devices