Texas Instruments 2-Channel Digital Isolator 1 Mbps 3 kVrms 5.5V 8-Pin SOIC ISO7421D

Texas Instruments ISO7421D is a high-performance 2-Channel Digital Isolator designed for industrial and electronic applications requiring galvanic isolation and fast digital signal transmission. It supports a maximum data rate of 1 Mbps with an isolation voltage rating of 3 kVrms, making it highly suitable for noise-sensitive environments.

The digital isolator uses capacitive coupling technology to provide forward and reverse channel communication with high electromagnetic immunity. Operating at a supply voltage of 5.5V, it dissipates a maximum power of 220mW, ensuring energy efficiency in embedded systems.

With a propagation delay of only 42ns and a rise time of 2ns, the ISO7421D supports rapid data communication, ideal for industrial automation, signal conditioning, and control systems that require reliable isolation and data integrity.

The compact 8-pin SOIC surface mount package measures 5 mm in length, 4 mm in width, and 1.5 mm in depth, facilitating integration in dense circuit designs. The device operates reliably across a wide temperature range from -40°C to 125°C, catering to rugged industrial environments.

Certified to UL and CSA standards, the ISO7421D assures safety and compliance in critical applications including industrial machinery, measurement instruments, and telecommunications equipment. The isolator's low input current (10μA max) further enhances its suitability for sensitive electronic circuits.

Overall, Texas Instruments ISO7421D digital isolator is an efficient, reliable component for applications demanding robust isolation with minimal impact on signal speed. This digital isolator provides capacitive-based galvanic isolation ensuring high electromagnetic immunity.

It has a supply voltage of 5.5V and a power dissipation rating of 220mW. Propagation delay time is 42ns with a fast rise time of 2ns, suitable for high-speed digital communication. The device supports a maximum input current of 10μA and operates within a temperature range of -40°C to 125°C.

Its compact dimensions are 5mm length, 4mm width, and 1.5mm depth, perfect for surface mounting on PCBs. This isolator complies with UL and CSA standards, guaranteeing robust industrial performance. The package style is SOIC for easy insertion and soldering on standard circuit boards.

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