Texas Instruments

ISO7421ED

ISO7421ED Description

The ISO7421ED is a high-performance digital isolator designed and manufactured by Texas Instruments. This device is part of the Digital Isolators category and is known for its robust performance and reliability. With a data rate of 50Mbps and two unidirectional channels, the ISO7421ED is equipped to handle high-speed digital communication tasks. The device operates within a voltage supply range of 3V to 5.5V and offers a high level of isolation with 2500Vrms.

ISO7421ED Features

• Technology: Utilizing Capacitive Coupling technology, the ISO7421ED ensures reliable signal transmission while maintaining electrical isolation.
• Propagation Delay: With a maximum propagation delay of 11ns for both tpLH and tpHL, the ISO7421ED provides fast signal transmission.
• Rise/Fall Time: The typical rise and fall times are 1.8ns and 1.7ns, respectively, which are crucial for high-speed applications.
• Pulse Width Distortion: The maximum pulse width distortion is 3.7ns, ensuring signal integrity.
• Common Mode Transient Immunity: The ISO7421ED boasts a minimum immunity of 25kV/µs, which is essential for applications with high noise environments.
• Mounting Type: The device is designed for Surface Mount, which is suitable for compact and space-constrained applications.
• Package: Available in Bulk packaging, which is cost-effective for high-volume production.
• REACH and RoHS Compliance: The ISO7421ED is REACH Unaffected and ROHS3 Compliant, ensuring environmental safety and regulatory compliance.

ISO7421ED Applications

The ISO7421ED is ideal for a variety of applications where high-speed digital communication and electrical isolation are required. Some specific use cases include:

• Industrial Automation: The device's high data rate and robust immunity make it suitable for control systems in industrial environments.
• Power Management: Its isolation capabilities are beneficial in power conversion and management systems to protect against electrical noise.
• Automotive Applications: The ISO7421ED can be used in automotive systems for high-speed communication between different electronic control units (ECUs) while maintaining safety standards.
• Medical Equipment: In medical devices, the ISO7421ED can provide isolation to ensure patient safety and data integrity.

Conclusion of ISO7421ED

The ISO7421ED from Texas Instruments stands out for its high-speed data rate, robust isolation, and compliance with environmental regulations. Its unique features, such as low propagation delay and high common mode transient immunity, make it a preferred choice for applications demanding high reliability and performance. The ISO7421ED is a versatile solution for a wide range of industries, offering a competitive edge over similar models with its advanced specifications and performance benefits.