Texas Instruments

ISO7741DBQR  

Digital Isolators

The ISO7741DBQR is a high-performance, digital isolator manufactured by Texas Instruments. This device is designed to provide reliable and accurate isolation between digital circuits in various applications, such as industrial control systems, medical equipment, and automotive systems.

Description:

The ISO7741DBQR is a monolithic digital isolator that uses a capacitive coupling technique to provide isolation between the input and output sides of the device. It features a small, compact QFN package, making it suitable for use in space-constrained applications.

Features:

1. High isolation voltage: The ISO7741DBQR provides a high isolation voltage of up to 5000Vrms, ensuring reliable performance in noisy environments.
2. Low power consumption: The device operates with a low power consumption of typically 2.5mA, making it suitable for battery-powered applications.
3. Fast propagation delay: The ISO7741DBQR has a fast propagation delay of 60ns (typical), ensuring quick communication between the input and output sides.
4. Wide operating temperature range: The device can operate over a wide temperature range of -40°C to +125°C, making it suitable for use in harsh environments.
5. Small package size: The QFN package is compact, allowing for easy integration into space-constrained applications.

Applications:

1. Industrial control systems: The ISO7741DBQR can be used to provide isolation between digital circuits in industrial control systems, such as motor controllers and sensor interfaces.
2. Medical equipment: The device can be used in medical equipment, such as patient monitoring systems and diagnostic equipment, to provide isolation between sensitive circuits.
3. Automotive systems: The ISO7741DBQR can be used in automotive systems, such as battery management systems and infotainment systems, to provide isolation between digital circuits.
4. Power supply applications: The device can be used in power supply applications, such as isolated gate drivers for power transistors, to provide isolation between control circuits and high-voltage circuits.
5. Data communication: The ISO7741DBQR can be used in data communication applications, such as RS-485 and CAN bus interfaces, to provide isolation between digital circuits and protect against voltage surges.

In summary, the ISO7741DBQR is a high-performance digital isolator that offers reliable isolation between digital circuits, low power consumption, and a compact package size. It is suitable for use in a wide range of applications, including industrial control systems, medical equipment, automotive systems, power supply applications, and data communication.

ISO7741DBQR Documents

Download datasheets and manufacturer documentation for ISO7741DBQR

PCN Assembly/Origin :

ISO7YYY 15/May/2018      

Datasheets :

ISO7740, 41, 42 Datasheet      

Design Resources :

Digital Isolator Design Guide      

Other Related Documents :

Isolation Glossary      

HTML Datasheet :

ISO7740, 41, 42 Datasheet      

PCN Design/Specification :

ISO774x 04/Apr/2023       ISO7740/ISO7741/ISO7742 06/Aug/2019