ISO7842DWWR

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ISO7842DWWR

DGTL ISOLTR 5.7KV 4CH GP 16-SOIC

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規格

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

概述

Description

The ISO7842DWWR is a digital isolator component from Texas Instruments, designed to provide electrical isolation and safety in electronic systems. It is part of the ISO7842 family, known for high isolation voltage capabilities, which are crucial in protecting against high voltage transients and ensuring user safety. The "DWWR" in its name refers to its specific packaging and pin configuration.
Key features include:
1. Isolation: Offers reinforced isolation, capable of withstanding high-voltage transients, typically used in industrial and automotive applications.
2. Data Rate: Supports high data rates, making it suitable for high-speed communication protocols.
3. Low Power Consumption: Optimized for low power usage, which enhances efficiency and reduces thermal stress.
4. Reliability: High reliability and long operational life are ensured through robust design and testing standards.
5. Wide Temperature Range: Operates effectively across a wide temperature range, making it adaptable to harsh environments.
Applications include use in power supply circuits, motor control systems, and any application requiring secure data transmission across high voltage barriers. Its design and capabilities make it a versatile and essential component in modern electronic systems.

Features

The ISO7842DWWR is a high-performance digital isolator designed by Texas Instruments. It features a robust isolation barrier providing a high level of noise immunity and safety. Key features include:
1. Channel Configuration: A quad-channel isolator with two forward and two reverse channels.
2. Isolation Voltage: Provides high isolation voltage capabilities, typically up to 5,700 Vrms.
3. Data Rate: Supports high data rates up to 100 Mbps, making it suitable for high-speed applications.
4. Low Propagation Delay: Offers low propagation delay and pulse-width distortion, which is crucial for timing-critical applications.
5. Robust EMC: Designed to withstand harsh electromagnetic conditions, enhancing reliability in industrial environments.
6. Wide Temperature Range: Operates over a wide temperature range, suitable for industrial applications (-40°C to 125°C).
7. Certification: Complies with relevant safety standards, including UL, CSA, VDE, and CQC, ensuring it meets global safety requirements.
8. Package: Available in a wide-body SOIC-16 package, which facilitates easy integration into various designs.
These features make the ISO7842DWWR ideal for applications requiring reliable isolation, such as industrial automation, power electronics, and communications systems.

Package

The ISO7842DWWR is a digital isolator from Texas Instruments, packaged in a 16-pin wide-body SOIC (Small Outline Integrated Circuit) format. The "WW" in the part number indicates the wide-body version, providing increased creepage for enhanced isolation, and the "R" denotes that it comes in a tape-and-reel package for automated assembly.

Pinout

The ISO7842DWWR is a digital isolator from Texas Instruments. It is part of the ISO7842 series, which provides galvanic isolation for high-speed digital signals. The device is typically used to isolate data lines in industrial applications, providing protection from high voltages and noise.
- Pin Count: The ISO7842DWWR comes in a 16-pin SOIC (Small Outline Integrated Circuit) package.
- Function: This device provides four channels of isolation, specifically two forward and two reverse channels. It is designed to protect low-voltage circuitry in communication interfaces by isolating the logic-level signals across a safety isolation barrier, allowing for safe data transfer between different parts of a system that operate at different voltage levels. The device supports high-speed operation and is often used in applications like motor control, power inverters, and data acquisition systems.
The ISO7842DWWR ensures reliable signal integrity and robust noise immunity, making it suitable for demanding environments that require high-performance isolation.

Manufacturer

The ISO7842DWWR is manufactured by Texas Instruments (TI). Texas Instruments is a technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies globally and provides products for a broad range of industries, including consumer electronics, automotive, communications, and industrial applications. TI is known for its innovation in analog and embedded processing technologies, which are crucial components in electronic devices and systems.

Application

The ISO7842DWWR is a high-performance, quad-channel digital isolator used primarily in applications requiring robust galvanic isolation. Its key application areas include industrial automation systems, motor control, power supplies, renewable energy systems, data acquisition systems, and communication interfaces. It protects low-voltage systems from high-voltage circuits, ensuring signal integrity and enhancing safety by isolating different parts of a system.

Equivalent

The ISO7842DWWR is a quad-channel digital isolator from Texas Instruments. Equivalent products might include the ADuM140D series from Analog Devices, the Si864x series from Silicon Labs, and the MAX14934 series from Maxim Integrated. These alternatives should be evaluated for specific electrical and performance parameters to ensure compatibility with your application.

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