ISO7721FQDQ1

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ISO7721FQDQ1

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DGTL ISOLTR 3KV 2CH GP 8-SOIC

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規格

屬性 價值
Part Status Obsolete
Technology Capacitive Coupling
Type General Purpose
Isolated Power No
Number of Channels 2
Inputs - Side 1 / Side 2 1/1
Channel Type Unidirectional
Voltage - Isolation 3000Vrms
Common Mode Transient Immunity (Min) 85kV/µs
Data Rate 100Mbps
Propagation Delay tp LH / tp HL (Max) 16ns, 16ns
Pulse Width Distortion (Max) 4.9ns
Rise / Fall Time (Typ) 3.9ns, 3.9ns
Voltage - Supply 2.25V ~ 5.5V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number ISO7721
Grade Automotive
Qualification AEC-Q100

概述

Description

The ISO7721FQDQ1 is a digital isolator manufactured by Texas Instruments. It is part of the ISO77xx series, known for providing high-performance galvanic isolation in electronic circuits. This specific model offers a dual-channel configuration, enabling the isolation of two separate digital signals. The key benefits of using the ISO7721FQDQ1 include enhanced noise immunity, reduced electromagnetic interference, and protection against high voltage surges, which are critical for maintaining signal integrity in complex systems.
The device operates with a wide supply voltage range and provides robust performance across various temperatures, making it suitable for a broad range of applications like industrial control, medical equipment, and power electronics. It uses capacitive isolation technology, which ensures low power consumption and high-speed operation, supporting data rates up to 100 Mbps. With a compact package and standard pin configuration, it allows for easy integration into existing designs. Additionally, the ISO7721FQDQ1 is compliant with international safety standards, ensuring reliability and safety in sensitive applications.

Equivalent

The ISO7721FQDQ1 is a dual-channel digital isolator from Texas Instruments. Equivalent products would typically include similar isolators from other manufacturers, such as:
1. ADuM1201 from Analog Devices
2. SI8621 from Silicon Labs
3. MAX14930 from Maxim Integrated
These alternatives provide similar isolation capabilities and channel configurations, but it's crucial to compare specific specifications like isolation voltage, data rate, and package type for compatibility.

Features

The ISO7721FQDQ1 is a digital isolator from Texas Instruments, designed for automotive and industrial applications. Key features include:
1. Isolation Voltage: Provides a high isolation voltage, typically around 3000 Vrms, which ensures safety and signal integrity between different ground potentials.
2. Channels and Speed: It offers dual-channel isolation with a data rate of up to 100 Mbps, suitable for high-speed communication.
3. Wide Supply Range: Operates over a wide supply voltage range, typically from 2.25 V to 5.5 V, making it versatile for various power supply conditions.
4. Temperature Range: Supports an extended temperature range of -40°C to 125°C, suitable for harsh environments.
5. Low Power Consumption: Designed for low power operation, optimizing efficiency and thermal performance.
6. Robust Performance: Features high common-mode transient immunity (CMTI) and low electromagnetic interference (EMI), ensuring reliability in noisy environments.
7. Automotive Grade: AEC-Q100 qualified, meeting the stringent requirements for automotive applications.
These features make the ISO7721FQDQ1 suitable for applications requiring reliable isolation and high-speed data transmission across isolated domains.

Pinout

The ISO7721FQDQ1 is a digital isolator from Texas Instruments, designed for automotive applications. It features a two-channel isolation with a pin count of 8. The primary function of the ISO7721FQDQ1 is to provide electrical isolation between different sections of a system, facilitating communication while preventing ground loops and protecting against high voltages. The device offers a high level of noise immunity and robust performance in harsh environments, which is essential for automotive applications. It typically supports data rates up to 100 Mbps and provides isolation ratings suitable for various automotive standards. The package is compact, making it suitable for space-constrained designs.

Manufacturer

The ISO7721FQDQ1 is manufactured by Texas Instruments. Texas Instruments, commonly known as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world and focuses on developing analog chips and embedded processors, which are used in a wide variety of electronic devices and applications. TI's products are integral in sectors like consumer electronics, automotive, industrial, and communications. The company is also known for its innovation in the electronics industry, providing solutions that help drive advancements in technology and improve power efficiency and performance.

Application

The ISO7721FQDQ1 is a high-speed, differential line driver and receiver typically used in industrial applications. Its primary application areas include:
1. Automotive Systems: Used in Controller Area Network (CAN) and FlexRay interfaces for vehicle communication.
2. Industrial Automation: Facilitates robust data transmission in factory automation systems and industrial communication protocols.
3. Isolated Power Supply Systems: Ensures safe and efficient data communication across isolation barriers.
4. Motor Control: Provides reliable signal isolation in motor drive systems.
5. Renewable Energy: Used in solar inverters and wind turbine control for isolated communication.
6. Consumer Electronics: Offers signal integrity in complex electronic devices requiring isolation.
Its features like low propagation delay, high data rates, and isolation make it suitable for these applications.

Package

The ISO7721FQDQ1 is typically offered in a small outline package (SOIC) with 8 pins. This type of packaging is used for integrated circuits and provides a compact, reliable form factor for mounting onto printed circuit boards.

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