ISO7841DWR

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ISO7841DWR

+БОМ

DGTL ISOLTR 5.7KV 4CH GP 16-SOIC

  • ПроизводительТехасские инструменты

  • Мфр. Часть #ISO7841DWR

  • Лист данных ISO7841DWR DataSheet

  • В наличии6667

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Спецификации

Атрибут Ценность
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 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 (0.295", 7.50mm Width)
Supplier Device Package 16-SOIC
Base Product Number ISO7841

Обзор

Description

The ISO7841DWR refers to a specific model within the ISO7841 series, which is a family of digital isolators produced by Texas Instruments. These devices are designed to provide galvanic isolation between different parts of an electronic system, ensuring that high-voltage circuits are electrically separated from low-voltage circuits, which enhances safety and reduces noise. The "DWR" suffix typically indicates the package type and reel packaging for the device.
Key features of the ISO7841 series include:
1. High Isolation Voltage: They offer robust isolation, often in the range of several thousand volts.
2. Data Rate: Capable of supporting high-speed data transmission, making them suitable for applications like industrial automation and communication systems.
3. Low Power Consumption: Designed to operate efficiently, minimizing power usage.
4. Multiple Channels: Provides multiple channels of isolation, which can be individually configured.
The ISO7841 series is widely used in applications requiring reliable isolation, such as power supplies, motor drives, and data acquisition systems.

Equivalent

The ISO7841DWR is a quad-channel digital isolator by Texas Instruments. Equivalent products include:
1. ADuM3401 by Analog Devices
2. SI8641 by Silicon Labs
3. MAX14934 by Maxim Integrated
4. IL7641 by NVE Corporation
These alternatives offer similar isolation capabilities and can be considered depending on the specific application's requirements for channel count, data rate, and isolation voltage. Always verify the technical specifications to ensure compatibility with your design needs.

Features

The ISO7841DWR is a digital isolator designed to provide galvanic isolation. Key features include:
1. Isolation Voltage: It offers a high isolation voltage, typically around 5,000 Vrms, which ensures protection against high voltages and prevents ground loop issues.
2. Channel Configuration: This device is a quad-channel isolator with a unidirectional configuration, meaning it can isolate four digital signals simultaneously.
3. Data Rate: It supports high data rates up to 100 Mbps, making it suitable for high-speed digital communication.
4. Noise Immunity: The ISO7841DWR exhibits excellent noise immunity, including a common-mode transient immunity (CMTI) greater than 50 kV/μs, which enhances performance in noisy environments.
5. Low Power Consumption: It is designed for low power operation, which is beneficial for power-sensitive applications.
6. Wide Temperature Range: The device operates over a wide temperature range, typically from -40°C to +125°C, allowing it to be used in various industrial settings.
7. Package: It is available in a 16-pin SOIC package, facilitating easy integration into circuit designs.
The ISO7841DWR is ideal for applications requiring robust isolation and high-speed data transfer, such as industrial automation and communication systems.

Pinout

The ISO7841DWR is a digital isolator from Texas Instruments. It comes in a 16-pin SOIC (Small Outline Integrated Circuit) package. The primary function of the ISO7841DWR is to provide high-speed digital signal isolation with galvanic isolation between different parts of a system, which enhances signal integrity and noise immunity.
Key features of the ISO7841 include:
1. Isolation Channels: It has four channels with 8000 VPK isolation voltage.
2. Data Rate: Supports a maximum data rate of up to 100 Mbps.
3. Propagation Delay: Offers low channel-to-channel propagation delay.
4. Supply Voltage: Operates on a wide supply voltage range.
The pin configuration typically includes pins for power supply, ground, and input/output signals for each channel. It's primarily used in applications requiring signal isolation, such as in industrial automation, medical devices, and power systems, to ensure safe and reliable data communications across isolated domains.

Manufacturer

The ISO7841DWR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. TI is known for its innovation and development in areas such as analog and embedded processing semiconductors. The company serves a variety of markets, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. TI is headquartered in Dallas, Texas, USA, and is widely recognized for its contributions to the electronics industry through its extensive product range, technical support, and development tools.

Application

The ISO7841DWR is a digital isolator used primarily in industrial and automation applications. It serves to protect and enhance the reliability of systems by providing electrical isolation while enabling data transfer across different voltage domains. Common application areas include motor control systems, power supply units, renewable energy systems, and communication interfaces in harsh environments. It is also used in medical equipment, where isolation is crucial for patient safety, and in automotive applications for robust communication across different electronic control units. Its ability to handle high data rates while ensuring safety and signal integrity makes it ideal for these demanding applications.

Package

The ISO7841DWR is an electronic component that comes in a standard 16-pin SOIC (Small Outline Integrated Circuit) package. The "DWR" suffix indicates that it is packaged in a wide-body SOIC, which provides enhanced isolation capabilities typically necessary for high-voltage applications.

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