AMIS-42671 Datasheet | AMI SEMICONDUCTOR

Description The AMIS-42671 CAN transceiver with autobaud is the interface between a controller area network (CAN) protocol controller and the physical bus. It may be used in both 12V and 24V systems. The transceiver provides differential transmit capability to the bus and differential receive capability to the CAN controller. Due to the wide mon-mode voltage range of the receiver inputs, the AMIS42671 is able to reach outstanding levels of electromagnetic susceptibility (EMS). Similarly, extremely low electromagnetic emission (EME) is achieved by the excellent matching of the output signals. The AMIS-42671 is primarily intended for industrial network applications where long network lengths are mandatory. Examples are elevators, in-building networks, process control and trains. To cope with the long bus delay the munication speed needs to be low. AMIS-42671 allows low transmit data rates down 10 Kbit/s or lower. The autobaud function allows the CAN controller to determine the ining baud rate without influencing the CAN munication on the bus. 2.0 Key Features - - - - - - - - - - - - - - Fully patible with the ISO 11898-2 standard Autobaud function Wide range of bus munication speed (0 up to 1 Mbit/s) Allows low transmit data rate in networks exceeding 1 km Ideally suited for 12V and 24V industrial and automotive applications Low electromagnetic emission (EME) mon-mode choke is no longer required Differential receiver with wide mon-mode range (+/- 35V) for high EMS No disturbance of the bus lines with an un-powered node Thermal protection Bus pins protected against transients Silent mode in which the transmitter is disabled Short circuit proof to supply voltage and ground Logic level inputs patible with 3.3V devices ESD protection for CAN bus at ± 8 k V .. 3.0 Technical Characteristics Table 1: Technical Characteristics Symbol Parameter VCANH DC voltage at pin CANH VCANL DC voltage at pin CANL Vi(dif)(bus_dom) Differential bus output voltage in dominant state...