Texas Instruments

ISOW7840DWE

ISOW7840DWE Description

The ISOW7840DWE from Texas Instruments is a high-performance, quad-channel digital isolator with integrated isolated power, designed for robust signal isolation in demanding industrial and automotive applications. It features 5000Vrms reinforced isolation, compliant with ROHS3 and REACH standards, ensuring reliability in harsh environments. Utilizing capacitive coupling technology, it delivers 100Mbps data rates with low propagation delay (17.6ns max) and minimal pulse width distortion (4.7ns max). The device operates from 3V to 5.5V, supporting bidirectional power transfer with 100kV/µs common-mode transient immunity (CMTI), making it ideal for noise-sensitive systems. Packaged in a 16-SOIC tube, it is suited for surface-mount designs requiring high isolation and compact form factors.

ISOW7840DWE Features

• Integrated Isolated Power: Eliminates the need for external DC-DC converters, reducing BOM and board space.
• High-Speed Performance: 100Mbps data rate with 4ns rise/fall times for real-time signal integrity.
• Robust Isolation: 5000Vrms withstand voltage and 100kV/µs CMTI for EMI resilience.
• Low Power Consumption: Optimized for energy-efficient designs (3V–5.5V supply range).
• Quad Unidirectional Channels: Four isolated channels ensure reliable data transmission in multi-signal systems.
• Industrial Compliance: MSL 3 rated, EAR99 ECCN, and HTSUS 8542.39.0001 classified for global deployment.

ISOW7840DWE Applications

• Industrial Automation: Isolate PLCs, motor drives, and sensors in high-noise environments.
• Medical Equipment: Ensure patient safety in diagnostic devices with reinforced isolation.
• EV/HEV Systems: Isolate CAN/LIN buses and battery management systems (BMS) in automotive applications.
• Renewable Energy: Protect inverters and gate drivers in solar/wind power systems.
• Test & Measurement: Maintain signal accuracy in high-voltage test setups.

Conclusion of ISOW7840DWE

The ISOW7840DWE stands out as a versatile, high-reliability isolator with integrated power, combining speed, noise immunity, and compact design. Its 5000Vrms isolation and 100Mbps performance make it superior to discrete solutions, while its industrial-grade robustness ensures longevity in critical applications. Ideal for engineers seeking to simplify isolation in automotive, medical, or industrial systems, this device delivers unmatched integration and performance.