Texas Instruments

ISO1042DW

ISO1042DW Description

The ISO1042DW from Texas Instruments is a high-performance, galvanically isolated CANbus transceiver designed for robust communication in harsh industrial environments. Housed in a 16-SOIC package, this full-duplex transceiver integrates a single driver and receiver, supporting data rates up to 5Mbps. It operates across a wide supply voltage range (1.71V–1.89V for VCC1 and 2.25V–5.5V for VCC2), making it versatile for mixed-voltage systems. Compliant with ROHS3 and REACH standards, it features 120mV receiver hysteresis for enhanced noise immunity, ensuring reliable signal integrity in electrically noisy conditions.

ISO1042DW Features

• Galvanic Isolation: Provides 5kVRMS isolation, protecting sensitive electronics from high-voltage transients and ground loops.
• Wide Voltage Range: Dual-supply operation accommodates low-power microcontrollers and higher-voltage CAN buses.
• High Noise Immunity: 120mV hysteresis minimizes false triggering in noisy industrial environments.
• Robust Protocol Support: Fully compliant with ISO 11898-2 CAN standards, ensuring interoperability.
• Extended Temperature Range: Suitable for industrial applications (-40°C to +125°C).
• Low Power Consumption: Optimized for energy-efficient designs.
• Moisture Sensitivity Level (MSL 3): Requires careful handling but offers reliable performance post-reflow.

ISO1042DW Applications

• Industrial Automation: Isolated CAN communication in PLCs, motor drives, and robotics.
• Automotive Systems: Gateway modules, battery management systems (BMS), and in-vehicle networks.
• Medical Equipment: Patient monitoring devices requiring noise-resistant data links.
• Renewable Energy: Solar inverters and wind turbine control systems.
• HVAC and Building Automation: Reliable long-distance communication in distributed control systems.

Conclusion of ISO1042DW

The ISO1042DW stands out as a high-reliability, isolated CAN transceiver for demanding applications. Its dual-supply operation, robust noise immunity, and compliance with industrial standards make it superior to non-isolated alternatives. Ideal for systems requiring long-term durability and signal integrity, it is a top choice for engineers designing industrial, automotive, and medical electronics. Texas Instruments' reputation for quality further ensures its suitability for mission-critical deployments.