Texas Instruments

ISO7842DWWR  

Digital Isolators

ISO7842DWWR Description

The ISO7842DWWR 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 in various electronic systems. With a data rate of 100Mbps and a total of 4 channels, it is an ideal choice for applications requiring high-speed data transfer across isolated interfaces.

ISO7842DWWR Features

• Technology: Capacitive Coupling - This technology ensures reliable and efficient data transfer while maintaining isolation.
• Voltage - Supply: 2.25V to 5.5V - A wide supply voltage range allows for compatibility with various power sources.
• Propagation Delay: Maximum 16ns for both tpLH and tpHL - This ensures fast data transfer with minimal delay.
• Rise / Fall Time: 1.7ns and 1.9ns respectively - Fast switching times contribute to the high-speed performance of the isolator.
• Pulse Width Distortion: Maximum 4.1ns - This ensures accurate signal transmission without significant distortion.
• Common Mode Transient Immunity: Minimum 100kV/µs - This high level of immunity protects the device from external electrical noise.
• Voltage - Isolation: 5700Vrms - Provides a high level of isolation for safe and secure data transmission.
• Mounting Type: Surface Mount - Facilitates easy integration into surface mount technology (SMT) processes.
• Package: Tape & Reel (TR) - Suitable for automated assembly and high-volume production.
• REACH Status: REACH Unaffected - Compliant with the European Union's Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulations.
• RoHS Status: ROHS3 Compliant - Adheres to the Restriction of Hazardous Substances Directive, making it suitable for environmentally conscious applications.

ISO7842DWWR Applications

The ISO7842DWWR is ideal for a variety of applications where high-speed, reliable data transfer is required across isolated interfaces. Some specific use cases include:

• Industrial Control Systems: For ensuring safe and efficient operation in environments with high electrical noise.
• Automotive Applications: In the transmission of data between high-voltage and low-voltage systems within vehicles.
• Medical Equipment: For isolated data communication to protect sensitive electronic components and ensure patient safety.
• Smart Grids: For reliable communication in power distribution systems with varying voltage levels.

Conclusion of ISO7842DWWR

The ISO7842DWWR from Texas Instruments stands out due to its high-speed data transfer capabilities, robust isolation, and compliance with environmental regulations. Its unique features make it an excellent choice for applications requiring reliable and secure data communication across isolated interfaces. With its wide supply voltage range and fast switching times, the ISO7842DWWR is a versatile solution for various industries, including industrial control, automotive, medical, and smart grid technologies.

ISO7842DWWR Documents

Download datasheets and manufacturer documentation for ISO7842DWWR

Datasheets :

Industrial Automation Solutions Guide       ISO7842(F) Datasheet      

Design Resources :

Digital Isolator Design Guide      

Other Related Documents :

Isolation Glossary