ISO7741DBQR

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ISO7741DBQR

+Nomenclature

DGTL ISOLTR 3KV 4CH GP 16-SSOP

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Spécifications

Attribut Valeur
Part Status Active
Technology Capacitive Coupling
Type General Purpose
Isolated Power No
Number of Channels 4
Inputs - Side 1/Side 2 3/1
Channel Type Unidirectional
Voltage - Isolation 3000Vrms
Common Mode Transient Immunity (Min) 85kV/µs
Data Rate 100Mbps
Propagation Delay tpLH / tpHL (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 -55°C ~ 125°C
Mounting Type Surface Mount
Package / Case 16-SSOP (0.154", 3.90mm Width)
Supplier Device Package 16-SSOP
Base Product Number ISO7741

Présentation

Description

The ISO7741DBQR is a part of the ISO7741 series, which encompasses high-performance, quadruple-channel digital isolators. These devices are used to ensure electrical isolation and signal integrity across different parts of a system, commonly in environments with significant electrical noise or potential high-voltage differences. The "DBQR" part of the name refers to a specific package or configuration, with Texas Instruments often being a manufacturer of such components.
The ISO7741 series is designed to offer reinforced isolation, supporting data rates up to several Mbps. It provides robust performance with high electromagnetic immunity, low electromagnetic interference, and a wide operating temperature range. These features make the ISO7741DBQR suitable for applications in industrial automation, medical equipment, and power electronics, where reliable isolation is crucial for both safety and signal fidelity.
Overall, the ISO7741DBQR serves as a critical component in maintaining system reliability and performance in environments where electrical isolation is necessary to protect sensitive components and ensure proper operation.

Equivalent

The ISO7741DBQR is a digital isolator from Texas Instruments. Equivalent products are available from other manufacturers and include chips like the ADuM141E from Analog Devices, the Si8641 from Silicon Labs, and the MAX14431 from Maxim Integrated. These alternatives typically offer similar isolation capabilities, channel configurations, and data transmission rates, but differences may exist in parameters such as isolation voltage ratings, power supply requirements, and package types, so it's important to review the specifications for compatibility with your application.

Features

The ISO7741DBQR is a digital isolator from Texas Instruments. Key features include:
1. Isolation Voltage: It provides a high isolation voltage of up to 5,000 Vrms, ensuring safe data transmission across different voltage levels.
2. Channels: This device includes four channels, which can be configured for bidirectional data communication.
3. Data Rate: It supports a high data rate of up to 100 Mbps, making it suitable for fast digital communication.
4. Low Propagation Delay: It has a low propagation delay, typically around 10-12 ns, ensuring timely signal transmission.
5. Wide Supply Range: Operates over a wide supply voltage range from 2.25 V to 5.5 V, providing flexibility for various applications.
6. Temperature Range: It is designed to operate over an extended temperature range of -40°C to 125°C, suitable for harsh environments.
7. Safety Certifications: The isolator is compliant with various safety standards, including VDE, UL, and CSA, enhancing its reliability in critical applications.
8. Package: Comes in a 16-pin SOIC package, facilitating easy integration into circuits.
These features make the ISO7741DBQR ideal for industrial, automotive, and communication applications requiring robust isolation.

Pinout

The ISO7741DBQR is a digital isolator from Texas Instruments. It has a 16-pin package. The ISO7741 provides high-performance, galvanic isolation of digital signals, with a maximum data rate of 100 Mbps. It is designed to protect against high voltages and is used in applications where signal integrity and reliability are critical.
The ISO7741 includes four channels with a forward direction and one channel in the reverse direction, typically designated as 3/1 (three forward channels and one reverse channel). It features reinforced isolation to meet safety standards and is often used in industrial, automotive, and medical applications.
The device operates with supply voltages ranging from 2.25 V to 5.5 V and provides a typical isolation voltage of 5 kVrms. The ISO7741 is capable of withstanding high voltages and harsh environments, making it suitable for isolating sensitive microcontroller interfaces from high-voltage systems.

Manufacturer

The ISO7741DBQR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. The company is known for its innovation in the fields of analog technology, embedded processing, and digital signal processing. TI’s products are used in a wide range of applications, including industrial, automotive, personal electronics, and communications equipment. The ISO7741DBQR itself is a digital isolator, which is used in applications requiring isolation between different parts of a circuit to protect against high voltage and prevent noise.

Application

The ISO7741DBQR is a digital isolator commonly used in applications requiring signal isolation for safety and reliability. Key areas include:
1. Industrial Automation and Control: Protects processors and control systems from high voltages and noise.

2. Power Supply Systems: Ensures isolation in switched-mode power supplies and converters.
3. Medical Devices: Provides patient safety by isolating low voltage circuits from high voltage circuits.
4. Communication Systems: Used in isolated data interfaces like RS-485 and CAN.
5. Renewable Energy Systems: Isolates monitoring and data acquisition systems in solar inverters and wind turbines.
Its high data rate, noise immunity, and safety certifications make it suitable for these areas.

Package

The ISO7741DBQR is a digital isolator from Texas Instruments. The package type is SSOP (Shrink Small Outline Package), which is a space-efficient surface-mount package with gull-wing leads. Specifically, it features a 16-pin SSOP with a body width of approximately 3.9 mm.

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