Texas Instruments ISO7740DBQR Digital Isolator - Product Overview

By Industry News


The Texas Instruments ISO7740DBQR is a high-performance digital isolator designed for general-purpose applications requiring reliable signal isolation. With a voltage isolation of 3000Vrms and a data rate of 100Mbps, this device ensures secure and efficient communication between different circuits while maintaining signal integrity. The ISO7740DBQR is a lead-free component and is RoHS compliant, making it an environmentally friendly choice for electronic designs.


1. High Voltage Isolation: The ISO7740DBQR provides a robust 3000Vrms of isolation, ensuring safe and reliable communication between different voltage domains.
2. High-Speed Data Transfer: With a data rate of 100Mbps, this digital isolator enables fast and efficient transmission of digital signals across isolated channels.
3. Capacitive Coupling Technology: The capacitive coupling technology used in the ISO7740DBQR ensures high noise immunity and excellent common mode transient immunity, making it suitable for demanding industrial environments.
4. Four Channels: This digital isolator features four channels, allowing for the isolation of multiple signals within a single component.
5. Wide Operating Temperature Range: The ISO7740DBQR is designed to operate in a wide temperature range from -55°C to 125°C, making it suitable for use in extreme environmental conditions.
6. Low Power Consumption: With a voltage supply range of 2.25V to 5.5V, this digital isolator offers low power consumption, making it ideal for battery-powered applications.
7. Compact and Easy to Mount: The 16-SSOP surface mount package with a width of 3.90mm makes the ISO7740DBQR easy to integrate into compact electronic designs.

In conclusion, the Texas Instruments ISO7740DBQR digital isolator is a versatile and reliable component suitable for a wide range of applications, including industrial automation, motor control, and power delivery systems. Its high voltage isolation, high-speed data transfer, and robust design make it an excellent choice for engineers seeking to ensure the safety and integrity of their digital communication systems.