Description:
The ISO1050 is a galvanically isolated CANtransceiver that meets the specifications of theISO11898-2 standard. The device has the logic inputand output buffers separated by a silicon oxide (SiO2)insulation barrier that provides galvanic isolation ofup to 5000 VRMS for ISO1050DW and 2500 VRMSfor ISO1050DUB. Used in conjunction with isolatedpower supplies, the device prevents noise currents ona data bus or other circuits from entering the localground and interfering with or damaging sensitivecircuitry.As a CAN transceiver, the device provides differentialtransmit capability to the bus and differential receivecapability to a CAN controller at signaling rates up to1 megabit per second (Mbps). The device is designedfor operation in especially harsh environments, and itfeatures cross-wire, overvoltage and loss of groundprotection from –27 V to 40 V and overtemperatureshutdown, as well as –12V to 12V common-moderange.The ISO1050 is characterized for operation over theambient temperature range of –55°C to 105°C.
Features:
• Meets the requirements of ISO11898-2
• 5000-VRMS isolation (ISO1050DW)
• 2500-VRMS isolation (ISO1050DUB)
• Fail-safe outputs
• Low loop delay: 150 ns (typical), 210 ns (maximum)
• 50-kV/μs typical transient immunity
• Bus-fault protection of –27 V to 40 V
• Driver (TXD) dominant time-out function
• I/O voltage range supports 3.3 V and 5 V microprocessors
• Safety-related certifications
– VDE approval per DIN EN IEC 60747-17 (VDE 0884-17)
– UL 1577 approved
– CSA approved for IEC 61010-1, IEC 60601-1
– TUV Reinforced Insulation Approval for EN/UL/CSA 62368-1 (ISO1050DW-Only)
– CQC reinforced insulation per GB4943.1 (ISO1050DW-only)
– Typical 25-year life at rated working voltage (see application report SLLA197 and Life Expectancy vs Working Voltage)
Applications:
• Industrial automation, control, sensors, and drive systems
• Building and climate control (HVAC) automation
• Security systems
• Transportation
• Medical
• Telecom
• CAN bus standards such as CANopen, DeviceNet, NMEA2000, ARINC825, ISO11783, CAN Kingdom, CANaerospace
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