ISO7842FDWWR

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ISO7842FDWWR

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DGTL ISOLTR 5.7KV 4CH GP 16-SOIC

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Especificações

Atributo Valor
Part Status Active
Technology Capacitive Coupling
Type General Purpose
Isolated Power No
Number of Channels 4
Inputs - Side 1/Side 2 2/2
Channel Type Unidirectional
Voltage - Isolation 5700Vrms
Common Mode Transient Immunity (Min) 100kV/µs
Data Rate 100Mbps
Propagation Delay tpLH / tpHL (Max) 16ns, 16ns
Pulse Width Distortion (Max) 4.1ns
Rise / Fall Time (Typ) 1.7ns, 1.9ns
Voltage - Supply 2.25V ~ 5.5V
Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount
Package / Case 16-SOIC (0.551", 14.00mm Width)
Supplier Device Package 16-SOIC
Base Product Number ISO7842

Visão Geral

Description

The ISO7842FDWWR is a part of the ISO7842 series, which are high-performance, quad-channel digital isolators developed by Texas Instruments. These isolators are designed to protect data and signals in industrial applications by providing galvanic isolation between different parts of a system. The "FDWWR" in the part number refers to specific package and performance options: "F" indicates a functional safety feature, and "DWW" refers to the package type, typically meaning a wide-body SOIC (Small Outline Integrated Circuit) package that enhances isolation capability.
The device features a robust isolation rating, typically around 5 kVrms, that helps in preventing electrical noise and transients from affecting the signal integrity. It is commonly used in applications like motor control, power inverters, and industrial automation, where signal integrity and safety are critical. The ISO7842FDWWR offers a high data rate, low power consumption, and enhanced fail-safe features, making it suitable for environments requiring reliable and efficient communication across isolation barriers.

Equivalent

The ISO7842FDWWR is a digital isolator from Texas Instruments. Equivalent products include:
1. ADuM3482 from Analog Devices
2. Si8642 from Skyworks Solutions (formerly Silicon Labs)
3. MAX14436 from Maxim Integrated
4. IL717 from NVE Corporation
These alternatives have similar isolation, channel count, and data rate specifications, but always verify specific requirements such as temperature range and package type before selection.

Features

The ISO7842FDWWR is a high-performance digital isolator designed to provide robust isolation in various applications. Key features include:
1. Isolation Voltage: It offers a high isolation voltage, typically up to 5,000 VRMS, ensuring safety and reliability in high-voltage environments.

2. Channel Configuration: It is a quad-channel device with two forward and two reverse channels (2/2 configuration), making it versatile for different data transmission needs.
3. Data Rate: The device supports high data rates of up to 100 Mbps, suitable for fast digital communication.
4. Low Propagation Delay: It features low propagation delay, which is critical for timing-sensitive applications.
5. CMTI: High common-mode transient immunity (CMTI) of greater than 100 kV/µs, providing resilience against electrical noise.
6. Wide Supply Range: The device operates over a wide supply voltage range, typically from 3 V to 5.5 V.
7. Temperature Range: It is designed to work reliably over an extended temperature range, from –40°C to +125°C.
These features make the ISO7842FDWWR ideal for industrial automation, power systems, and other applications requiring robust digital isolation.

Pinout

The ISO7842FDWWR is a digital isolator manufactured by Texas Instruments. It features a 16-pin configuration and is designed to provide high-speed, robust isolation for digital signals. The main function of the ISO7842 is to electrically isolate different sections of a circuit to prevent noise and voltage spikes from affecting sensitive components, while allowing digital communication between isolated sections.
The device includes four channels, two in each direction, and it is often used in applications such as industrial automation, power electronics, and data acquisition systems. Its isolation capabilities help protect against high voltages and ensure reliable data transmission across its isolation barrier. The ISO7842FDWWR offers a high level of noise immunity and a wide temperature range, making it suitable for use in harsh environments.

Manufacturer

The ISO7842FDWWR is manufactured by Texas Instruments (TI). Texas Instruments 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 serves a wide range of industries, including automotive, industrial, electronics, and telecommunications. TI is well-known for its development of analog chips and embedded processors, which are used in various applications and devices.

Application

The ISO7842FDWWR is a high-performance quad-channel digital isolator designed for applications requiring electrical isolation and noise immunity. Key application areas include:
1. Industrial Automation: Ensures reliable signal isolation in PLCs and factory automation systems.
2. Medical Equipment: Provides safe and isolated data transmission in medical devices.
3. Power Electronics: Used in inverter and motor drive systems for signal isolation and noise reduction.
4. Telecommunications: Ensures signal integrity in communication systems amidst electrical noise.
5. Renewable Energy: Used in solar inverters and wind turbine control systems for reliable data communication.
These applications benefit from its high-speed operation, robust isolation, and ability to withstand harsh environments.

Package

The ISO7842FDWWR is in a 16-pin SOIC (Small Outline Integrated Circuit) package with a wide body. The "WR" in the part number indicates that it is supplied on a tape and reel for automated placement.

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