TJA1050 is the interface between CAN protocol controller and physical bus. The device provides differential transmission capability to the bus and differential receiving capability to the CAN controller. TJA1050 is the successor of PCA82C250 high-speed CAN transceiver. The most important improvement is: due to the best matching of CANH and CANL output signals, electromagnetic emissions (EME) are greatly reduced. And improve behavior in the absence of power nodes.