Texas Instruments

ISO7741FDBQ  

Digital Isolators

The ISO7741FDBQ is a high-speed, low-power, 8-bit isolated parallel bus transceiver manufactured by Texas Instruments. It is designed to provide reliable communication between microcontrollers and other digital systems in applications where isolation is required, such as in industrial and medical equipment.

Description:

The ISO7741FDBQ is a monolithic integrated circuit that combines a high-speed parallel bus transceiver with an isolation barrier. It consists of a transmitter and a receiver, each with four channels, providing a total of eight channels for data transmission. The device uses a capacitive isolation technique to provide electrical isolation between the transmitter and receiver, ensuring reliable communication even in the presence of noise and interference.

Features:

1. High-speed data transmission: The ISO7741FDBQ can operate at data rates up to 20 Mbps, making it suitable for high-speed communication applications.
2. Low power consumption: The device has a low power consumption of typically 100mW, making it ideal for battery-powered applications.
3. Isolation: The capacitive isolation technique provides a high level of isolation between the transmitter and receiver, ensuring reliable communication and protection against electrical noise and interference.
4. Small package: The ISO7741FDBQ is available in a compact 20-pin QFN package, making it easy to integrate into a wide range of applications.
5. Wide operating temperature range: The device can operate over a wide temperature range of -40°C to +85°C, making it suitable for use in harsh environments.

Applications:

The ISO7741FDBQ is suitable for a wide range of applications where reliable, high-speed, isolated communication is required. Some of the key applications include:

1. Industrial control systems: The ISO7741FDBQ can be used to provide isolated communication between microcontrollers and other digital systems in industrial control applications, ensuring reliable operation in the presence of electrical noise and interference.
2. Medical equipment: The device can be used in medical equipment to provide isolated communication between different subsystems, ensuring patient safety and reliable operation.
3. Data acquisition systems: The ISO7741FDBQ can be used in data acquisition systems to provide high-speed, isolated communication between sensors and microcontrollers.
4. Telecommunications equipment: The device can be used in telecommunications equipment to provide isolated communication between different modules, ensuring reliable operation and protection against electrical noise and interference.
5. Automotive applications: The ISO7741FDBQ can be used in automotive applications to provide isolated communication between different electronic control units (ECUs), ensuring reliable operation and protection against electrical noise and interference.

ISO7741FDBQ Documents

Download datasheets and manufacturer documentation for ISO7741FDBQ

EOL :

Product Discontinuance Notification 2024-05-31 (PDF)      

Images :

Mechanical Outline Drawing      

PCN :

Process Change Notification (PDF)       Product Change Notification (PDF)      

Application Notes :

Digitally-isolated ADS8689 circuit design (Rev. A)       What is EMC? 4 Questions About EMI Radiated Emissions ESD and EFT in Isolated       How to use isolation to improve ESD EFT and surge immunity in industrial system       Topology Selection for Isolated Power Supplies in Patient Monitor and Ultrasound       Industrial data-acquisition interfaces with digital isolators (Rev. A)       Converting SPI to GPIO Through Digital Isolators       Designing High Voltage Power Supply for Ultrasound Smart Probes       Topology Selection for Isolated Power Supplies in Patient Monitor (Rev. A)