ISOW7721FDFMR - Digital Isolator from Texas Instruments

The ISOW7721FDFMR is a high-performance, robust digital isolator designed by Texas Instruments to provide signal isolation with integrated power. This component is part of TI's Isowatt portfolio, which is renowned for its ability to combine data isolation and power delivery over a single isolation barrier, thereby reducing board space and simplifying power supply design.

Key Features

• Integrated Isolated Power: The ISOW7721FDFMR features an integrated DC-DC converter, providing up to 150mW of isolated power. This eliminates the need for a separate isolated power supply, saving on both cost and space.
• High Isolation Rating: With an isolation rating of 5000 Vrms for 1 minute, this device ensures safety and reliability in high-voltage applications, making it suitable for industrial, medical, and other environments that demand stringent isolation requirements.
• Data Rate: It supports a data rate of up to 100 Mbps, ensuring fast and reliable data communication across the isolation barrier.
• Low Propagation Delay: The device boasts a low propagation delay, typically around 10 ns, which allows for high-speed digital signals to be transmitted with minimal time lag.
• Robust Electromagnetic Compatibility (EMC): Designed for harsh industrial environments, the ISOW7721FDFMR exhibits excellent EMC performance, which helps to reduce design complexity and enhance system reliability.

Applications

The ISOW7721FDFMR is ideal for a wide range of applications where isolation is critical. These include:

• Industrial automation and control systems
• Medical equipment with stringent safety requirements
• Isolated sensor interfaces and data acquisition systems
• Motor control circuits
• Power supplies where isolation is necessary

Package and Quality

The device is available in a compact 16-pin SOIC package that is characterized for an extended temperature range of -40°C to +125°C. Texas Instruments ensures that the ISOW7721FDFMR meets high-quality standards, with certifications and testing that comply with industry requirements for safety and performance.