ISO7842FDWWR

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ISO7842FDWWR

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

ISO7842FDWWR is a specific model within the ISO7842 series, a family of digital isolators. These are designed to provide galvanic isolation for the electrical signals between two separate circuits, which is crucial for safety and signal integrity in many applications. The "FDWWR" part of the designation typically refers to the package and specific features of the component, such as its footprint and pin configuration.
Key features of the ISO7842FDWWR include high isolation voltage, low power consumption, and high data rate capabilities. These isolators are often used in industrial automation, medical equipment, and power supply systems to prevent ground loops, protect against high voltage spikes, and ensure stable data transmission across isolated boundaries.
The device typically includes multiple channels, allowing simultaneous isolation for several input/output lines, and is designed to meet stringent standards for electromagnetic compatibility and safety. The "ISO" in the name stands for isolation, the "7842" likely indicates the series or configuration, and "FDWWR" specifies the operational and packaging details. Always refer to the manufacturer's datasheet for precise specifications and application guidance.

Features

The ISO7842FDWWR is a high-performance digital isolator from Texas Instruments, designed for isolating signal paths in industrial and medical applications. Key features include:
1. Isolation Rating: Provides robust isolation with a withstand voltage of 5,700 Vrms, enhancing safety in high-voltage environments.
2. Channel Configuration: It features four channels, configured as two forward and two reverse channels, offering flexibility in signal direction.
3. Data Rate: Supports high-speed data rates up to 100 Mbps, suitable for fast digital communications.
4. Low Propagation Delay: Offers a low propagation delay of approximately 10 ns, ensuring timely data transmission.
5. Temperature Range: Operates efficiently across a wide temperature range from -40°C to 125°C, making it suitable for harsh environments.
6. Supply Voltage: Supports a wide supply voltage range from 3 V to 5.5 V, allowing compatibility with different power systems.
7. Noise Immunity: Provides excellent noise immunity, minimizing data errors in electrically noisy environments.
8. Compact Package: Available in a 16-pin SOIC package, facilitating easy integration into various designs.
These features make the ISO7842FDWWR a reliable solution for applications requiring safe and efficient digital signal isolation.

Package

The ISO7842FDWWR is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package with a wide-body design. This package typically provides enhanced isolation capabilities, which is ideal for applications requiring high levels of noise immunity and safety isolation.

Pinout

The ISO7842FDWWR is a digital isolator that typically comes in a 16-pin Small Outline Integrated Circuit (SOIC) package. It is designed for high-speed, high-noise environments to provide galvanic isolation between different sections of a circuit. This device features four independent isolation channels, which can be used for either unidirectional or bidirectional signal transmission, depending on the application.
The primary function of the ISO7842FDWWR is to provide isolation for digital signals, ensuring signal integrity and protecting the system from high voltages or ground loop issues. It is commonly used in industrial applications, medical equipment, and power electronics, where safety and signal reliability are critical.
The device supports a maximum data rate, typically up to 100 Mbps, and offers a high level of isolation voltage, often around 5,000 VRMS. The ISO7842FDWWR is favored for its low power consumption, robust electromagnetic compatibility, and high common-mode transient immunity, making it suitable for demanding environments.

Manufacturer

The ISO7842FDWWR is manufactured by Texas Instruments. Texas Instruments, commonly known as TI, is a global semiconductor company that designs and manufactures a wide range of electronic components. These components include integrated circuits, processors, and analog electronics, which are essential for various industries such as automotive, industrial, consumer electronics, and communications. TI is well-known for its innovation in the field of electronics and for providing solutions that enhance technology around the world.

Application

The ISO7842FDWWR is a high-performance digital isolator designed for applications requiring robust galvanic isolation between different parts of a system. It is commonly used in industrial automation, power electronics, motor control, renewable energy systems, and medical equipment. Its ability to withstand high voltage surges and provide reliable data transmission makes it ideal for isolated communication interfaces, isolated analog-to-digital conversion systems, and any application where signal integrity and safety are critical.

Equivalent

The ISO7842FDWWR is a digital isolator by Texas Instruments. Equivalent products include:
1. ADuM140E series by Analog Devices
2. Si8642 series by Silicon Labs
3. MAX14434 by Maxim Integrated
These alternatives offer similar channel configurations, data rates, and isolation voltage ratings. Always check the specific specifications to ensure compatibility for your application.

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