SIT1051AQ is an interface chip used between the CAN protocol controller and the physical bus. It can be used for in-vehicle, industrial control and other fields. It supports 5Mbps (CAN FD), and has ability to perform differential signal transmission between bus and the CAN protocol controller. SIT1051AQ is an upgraded version of SIT1051Q with improved bus signal symmetry and lower electromagnetic radiation performance. In addition, the SIT1051AQ is fully compatible with SIT1051Q.