ISO7421EDR

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ISO7421EDR

+物料清單

DGTL ISOLTR 2.5KV 2CH GP 8-SOIC

  • 製造商德州儀器

  • 製造商部分 #ISO7421EDR

  • 有存貨5147

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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 2
Inputs - Side 1 / Side 2 1/1
Channel Type Unidirectional
Voltage - Isolation 2500Vrms
Common Mode Transient Immunity (Min) 25kV/µs
Data Rate 50Mbps
Propagation Delay tp LH / tp HL (Max) 11ns, 11ns
Pulse Width Distortion (Max) 3.7ns
Rise / Fall Time (Typ) 1.8ns, 1.7ns
Voltage - Supply 3V ~ 5.5V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number ISO7421

概述

Description

The ISO7421EDR is a digital isolator product from Texas Instruments. It is designed to offer galvanic isolation for digital signals, providing an essential safety barrier in electronic systems by preventing unwanted current flow between its input and output. The device typically finds applications in industrial automation, medical equipment, power systems, and communication interfaces where isolation is critical for protecting sensitive components and ensuring reliable operation.
Key features of the ISO7421EDR include a robust isolation rating, typically around 2500 Vrms, which protects against high voltages. It supports data rates up to several Mbps, making it suitable for high-speed signal transmission while maintaining signal integrity. The device is also designed for low power consumption, contributing to more efficient system operation.
The ISO7421EDR comes in a small, standardized SOIC package, easing integration into existing designs. Its performance characteristics, including low propagation delay and high noise immunity, make it a reliable choice for various applications requiring digital isolation.

Equivalent

The ISO7421EDR is a digital isolator by Texas Instruments. Equivalent products include:
1. ADuM1201 by Analog Devices: A dual-channel digital isolator with similar isolation voltage and data rate.
2. SI8621 by Silicon Labs: Offers comparable isolation and data transmission capabilities.
3. MAX12931 by Maxim Integrated: Provides similar functionality with dual channels and isolation features.
These alternatives vary in package options and additional specifications, so it's essential to compare them based on specific application needs.

Features

The ISO7421EDR is a dual-channel digital isolator with the following key features:
1. Isolation: Provides galvanic isolation of up to 2500 Vrms, enhancing safety and noise immunity between input and output.

2. Data Rate: Supports high data rates up to 25 Mbps, suitable for fast communication applications.
3. Low Power Consumption: Designed for low power operation, making it energy-efficient in various applications.
4. Supply Voltage Range: Operates over a supply voltage range of 3.0 V to 5.5 V, allowing flexibility in different circuit designs.
5. Temperature Range: Functions effectively over an extended temperature range from -40°C to 125°C, suitable for harsh environments.
6. Propagation Delay: Offers low propagation delay, ensuring minimal signal distortion during transmission.
7. Electromagnetic Compatibility (EMC): Designed to minimize electromagnetic interference, enhancing performance in sensitive equipment.
8. Safety and Certifications: Meets industry safety standards for isolation, providing reliability in critical applications.
These features make the ISO7421EDR ideal for industrial, automotive, and medical applications where high-speed, isolated data transmission is essential.

Pinout

The ISO7421EDR is a digital isolator manufactured by Texas Instruments. It features an 8-pin SOIC (Small Outline Integrated Circuit) package. The device provides dual-channel isolation for digital signals and is designed to protect data interfaces and sensitive components from high voltage transients.
Key functions include:
- Two isolated channels: One forward channel and one reverse channel.
- Provides signal isolation between different ground potentials.
- Suitable for applications requiring data transmission across an isolation barrier.
This device is commonly used in industrial automation, medical equipment, and communications systems to ensure reliable signal transmission while maintaining isolation for safety and noise immunity purposes.

Manufacturer

The ISO7421EDR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and integrated circuits. TI is well-known for its analog and embedded processing products, which are used in various applications, including industrial, automotive, personal electronics, and communications equipment. The company is headquartered in Dallas, Texas, and is considered one of the leading players in the semiconductor industry.

Application

The ISO7421EDR is a dual-channel digital isolator designed for applications requiring electrical isolation and signal integrity. It is commonly used in:
1. Industrial Automation: Isolating control signals in PLCs and motor drives to enhance system reliability.
2. Power Electronics: Providing isolation in inverter and converter circuits to protect low-voltage control systems.
3. Medical Equipment: Ensuring patient safety by isolating communication paths in medical devices.
4. Telecommunications: Isolating data interfaces to reduce noise and prevent ground loops.
5. Consumer Electronics: Enhancing signal integrity and safety in high-speed data transmission systems.
Its high-speed data transmission and robust isolation make it suitable for environments requiring noise immunity and safety compliance.

Package

The ISO7421EDR is a digital isolator from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, which is designed for surface mounting on printed circuit boards. This package type is compact and suitable for applications requiring isolation between systems operating at different voltage levels.

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