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AMIS-42671 Datasheet(PDF) 1 Page - ON Semiconductor |
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AMIS-42671 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 13 page © Semiconductor Components Industries, LLC, 2009 January, 2009 − Rev. 3 1 Publication Order Number: AMIS−42671/D AMIS-42671 High Speed Autobaud CAN Transceiver General 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 12 V and 24 V systems. The transceiver provides differential transmit capability to the bus and differential receive capability to the CAN controller. Due to the wide common−mode voltage range of the receiver inputs, the AMIS−42671 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 communication 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 incoming baud rate without influencing the CAN communication on the bus. Features • Fully compatible with the ISO 11898−2 standard • Autobaud function • Wide range of bus communication speed (0 up to 1 Mbit/s) • Allows low transmit data rate in networks exceeding 1 km • Ideally suited for 12 V and 24 V industrial and automotive applications • Low electromagnetic emission (EME), common−mode choke is no longer required • Differential receiver with wide common−mode range ($35 V) 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 compatible with 3.3 V devices • ESD protection for CAN bus at $8 kV • These are Pb−Free Devices* *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. http://onsemi.com PIN ASSIGNMENT (Top View) 5 6 7 8 1 2 3 4 TxD RxD AUTB GND CANL PC20070929.1 See detailed ordering and shipping information in the package dimensions section on page 12 of this data sheet. ORDERING INFORMATION VCC CANH VREF |
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