ISO7741FDWR

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ISO7741FDWR

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DGTL ISOLTR 5KV 4CH GP 16-SOIC

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規格

屬性 價值
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 5000Vrms
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) 2.4ns, 2.4ns
Voltage - Supply 2.25V ~ 5.5V
Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount
Package / Case 16-SOIC (0.295", 7.50mm Width)
Supplier Device Package 16-SOIC
Base Product Number ISO7741

概述

Description

The ISO7741FDWR is a digital isolator manufactured by Texas Instruments. It is part of the ISO77xx series, designed to provide high-performance galvanic isolation for digital signals. This isolator features a robust isolation barrier, capable of withstanding up to 5,700 V RMS, which helps protect sensitive electronics from high voltage differences. The ISO7741FDWR is a quad-channel device, meaning it can isolate four independent digital signals.
Key features include a maximum data rate of 100 Mbps, low propagation delay, and high noise immunity, making it suitable for a variety of applications, including industrial automation, motor control, and power supply designs. The device operates over a wide temperature range, ensuring reliability in harsh environments. Additionally, it is available in a 16-pin SOIC (Small Outline Integrated Circuit) package, making it easy to integrate into various circuit designs.
Overall, the ISO7741FDWR offers a reliable solution for applications requiring robust signal isolation, ensuring data integrity and system protection.

Equivalent

The ISO7741FDWR is a digital isolator from Texas Instruments. Equivalent products from other manufacturers include:
1. ADuM141E from Analog Devices
2. SI8641 from Silicon Labs
3. MAX14434 from Maxim Integrated
These alternatives offer similar features like channel configuration, isolation voltage, and data rate. Always check detailed specifications to ensure compatibility with your specific application requirements.

Features

The ISO7741FDWR is a high-performance, dual-channel digital isolator from Texas Instruments. Key features include:
1. Isolation Voltage: It offers robust isolation with a working voltage of up to 1000 Vrms, ensuring reliable performance in high-voltage applications.

2. Data Rate: Supports high data rates up to 100 Mbps, making it suitable for fast digital communication.
3. Propagation Delay: Offers low propagation delay of approximately 10.7 ns, ensuring minimal signal distortion and high-speed operation.
4. Noise Immunity: High common-mode transient immunity (CMTI) of 100 kV/µs helps maintain signal integrity in noisy environments.
5. Supply Voltage: Operates over a wide supply voltage range, from 2.25V to 5.5V, providing flexibility for different system requirements.
6. Low Power Consumption: Designed for efficient power usage, making it suitable for power-sensitive applications.
7. Temperature Range: Operates over an extended temperature range from -40°C to +125°C, allowing for use in industrial environments.
8. Package: Available in a 16-pin SOIC package, facilitating easy integration into various designs.
These features make the ISO7741FDWR ideal for applications requiring reliable digital isolation, such as industrial automation, power electronics, and medical equipment.

Pinout

The ISO7741FDWR is a digital isolator manufactured by Texas Instruments. It features a total of 16 pins. This device is designed to provide high-performance, galvanic isolation for digital signals.
The functions of the pins are as follows:
1. VCC1 (Pin 1): Power supply for side 1.
2. GND1 (Pin 2): Ground for side 1.
3. INA (Pin 3): Input channel A for side 1.
4. INB (Pin 4): Input channel B for side 1.
5. INC (Pin 5): Input channel C for side 1.
6. IND (Pin 6): Input channel D for side 1.
7. NC (Pins 7, 8, 9, 10, 11): No internal connection (can be used for mechanical support or thermal relief).
8. OUTD (Pin 12): Output channel D for side 2.
9. OUTC (Pin 13): Output channel C for side 2.
10. OUTB (Pin 14): Output channel B for side 2.
11. OUTA (Pin 15): Output channel A for side 2.
12. VCC2 (Pin 16): Power supply for side 2.
13. GND2: Ground for side 2.
The device is used in applications requiring isolation between different sections of circuitry for safety and signal integrity.

Manufacturer

The ISO7741FDWR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is a major player in the electronics industry, providing essential components for a wide range of applications, including consumer electronics, automotive systems, industrial equipment, and communications. TI is known for its innovation in analog and embedded processing technologies, making it a crucial supplier for many electronic systems worldwide.

Application

The ISO7741FDWR is a digital isolator commonly used in various applications that require electrical isolation and robust data transmission. Key areas include:
1. Industrial Automation: Enhances safety and signal integrity in PLCs and motor drives.
2. Medical Devices: Provides patient safety by isolating high voltages.
3. Power Supply Systems: Ensures isolation in switched-mode power supplies.
4. Renewable Energy: Used in solar inverters to maintain isolation between high and low voltage sides.
5. Automotive Systems: Supports isolated communication in electric vehicles and battery management systems.
6. Telecommunications: Ensures signal integrity in data communication systems.
These applications benefit from the device's high-speed data rates, noise immunity, and robust isolation capabilities.

Package

The ISO7741FDWR is a digital isolator from Texas Instruments, packaged in a 16-pin SOIC (Small Outline Integrated Circuit) Wide package. This package type provides enhanced isolation and is suitable for applications requiring robust performance in environments with high noise or electrical stress.