Texas Instruments

ISO7763DBQ

ISO7763DBQ Description

The ISO7763DBQ is a high-performance digital isolator designed and manufactured by Texas Instruments. This device is part of the ISO776x series and is specifically designed for general-purpose applications. It features a capacitive coupling technology, offering robust isolation and excellent performance in various digital communication scenarios.

ISO7763DBQ Features

• Technical Specifications:

  • Inputs/Outputs: The ISO7763DBQ boasts 3 inputs on Side 1 and 3 inputs on Side 2, providing a total of 6 channels for data transmission.
  • Data Rate: It supports a data rate of 100 Mbps, ensuring fast and efficient data transfer.
  • Propagation Delay: The maximum propagation delay for tpLH and tpHL is 16ns, which is crucial for maintaining signal integrity in high-speed applications.
  • Rise/Fall Time: With a typical rise/fall time of 1.1ns and 1.4ns respectively, the ISO7763DBQ ensures fast signal transitions.
  • Isolation Voltage: It offers a high isolation voltage of 3000Vrms, providing robust protection against electrical noise and faults.
  • Pulse Width Distortion: The maximum pulse width distortion is 4.9ns, which is essential for maintaining signal fidelity.
  • Common Mode Transient Immunity: The minimum immunity is 85kV/µs, ensuring reliable operation in the presence of electromagnetic interference.
  • Power Supply Voltage: The device operates within a wide voltage range of 2.25V to 5.5V, making it suitable for various power supply configurations.

• Performance Benefits:

  • Unidirectional Channels: The ISO7763DBQ features unidirectional channels, simplifying the design and reducing complexity in applications where bidirectional communication is not required.
  • Surface Mount Technology: It is designed for surface mount, which is ideal for space-constrained applications and allows for high-density packaging.

• Compliance and Packaging:

  • RoHS Compliance: The ISO7763DBQ is compliant with ROHS3 standards, making it suitable for environmentally conscious designs.
  • REACH Status: It is classified as REACH Unaffected, indicating that it does not contain any substances of very high concern.
  • Moisture Sensitivity Level (MSL): The device has an MSL of 2, which means it can be stored for up to one year without additional moisture protection.

ISO7763DBQ Applications

The ISO7763DBQ is ideal for a wide range of applications where high-speed, reliable digital communication is required. Some specific use cases include:

• Industrial Automation: The device's high isolation voltage and immunity to common mode transients make it suitable for use in harsh industrial environments.
• Power Electronics: It can be used in power electronics applications where isolation is necessary to protect sensitive control circuits from high voltages.
• Automotive Applications: The ISO7763DBQ can be used in automotive applications for communication between high-voltage and low-voltage systems, such as battery management systems and infotainment systems.

Conclusion of ISO7763DBQ

The ISO7763DBQ from Texas Instruments is a versatile and high-performance digital isolator that offers robust isolation, fast data rates, and excellent signal integrity. Its unique features, such as unidirectional channels and surface mount technology, make it an ideal choice for a wide range of applications in industrial automation, power electronics, and automotive systems. With its compliance with environmental standards and its wide operating voltage range, the ISO7763DBQ is a reliable and efficient solution for high-speed digital communication in demanding environments.