The ISO1042 device is a galvanically-isolated controller area network (CAN) transceiver
that meets the specifications of the ISO11898-2 (2016) standard. The ISO1042 device offers ±70-V DC
bus fault protection and ±30-V common-mode voltage range. The device supports up to 5-Mbps data
rate in CAN FD mode allowing much faster transfer of payload compared to classic CAN. This device
uses a silicon dioxide (SiO2) insulation barrier with a withstand voltage of
5000 VRMS. Used in conjunction with isolated power supplies, the device
prevents noise currents on a data bus or other circuits from entering the local ground and
interfering with or damaging sensitive circuitry. The ISO1042 device is available for both basic
and reinforced isolation (see Reinforced and Basic Isolation Options).
The ISO1042 device supports a wide ambient temperature range of –40°C to +125°C. The
device is available in the SOIC-16 (DW) package and a smaller SOIC-8 (DWV) package.
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