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ISO7240CDWR

Name: ISO7240CDWR
Rating: 4.7 (12 reviews)

DGTL ISOLTR 2.5KV 4CH GP 16-SOIC

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資料表 ISO7240CDWR DataSheet
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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	4/0
Channel Type	Unidirectional
Voltage - Isolation	2500Vrms
Common Mode Transient Immunity (Min)	25kV/µs
Data Rate	25Mbps
Propagation Delay tpLH / tpHL (Max)	42ns, 42ns
Pulse Width Distortion (Max)	2.5ns
Rise / Fall Time (Typ)	2ns, 2ns
Voltage - Supply	3.15V ~ 5.5V
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	16-SOIC (0.295", 7.50mm Width)
Supplier Device Package	16-SOIC
Base Product Number	ISO7240

概述

Description

ISO 7240-25:2018 is a standard that pertains to the performance and testing of fire detection and alarm systems, specifically focusing on the requirements for control and indicating equipment. This standard outlines the criteria for the design, installation, and ongoing performance of such systems to ensure they operate effectively in providing early detection of fire hazards.
The document specifies the necessary features, testing methods, and compliance criteria for devices that are part of fire alarm systems, including control panels, indicators, and associated equipment. It is essential for ensuring that fire safety systems meet regulatory requirements and function reliably to protect life and property.
Organizations and manufacturers involved in fire safety systems must adhere to ISO 7240-25 to guarantee their products meet international safety standards. Compliance can enhance product credibility, improve marketability, and ensure the safety of building occupants.

Features

The ISO 7240- CDWR standard pertains to the design and performance requirements for fire detection and alarm systems, specifically focusing on the characteristics of fire alarm control panels. Key features include:
1. Compatibility: Ensures integration with various fire detection devices and systems.
2. Reliability: Emphasizes consistent performance under different environmental conditions.
3. User Interface: Provides a user-friendly interface for monitoring and control.
4. Alarm Indication: Delivers clear visual and audible alarms for efficient emergency response.
5. Testing and Maintenance: Outlines guidelines for regular testing and maintenance to ensure operational readiness.
6. Documentation: Requires thorough documentation for system operation and maintenance procedures.
7. Regulatory Compliance: Aligns with international safety standards to enhance building safety.
This standard is essential for ensuring that fire alarm systems are effective, reliable, and compliant with safety regulations.

Package

The ISO7240CDWR is a dual in-line package (DIP) with a 16-pin configuration. It is designed for integrated circuit applications and is characterized by its rectangular shape with two rows of pins for soldering onto a circuit board.

Pinout

The ISO7240CDWR is a quad-channel digital isolator from Texas Instruments. It features a pin count of 16 pins.
Functionally, it provides galvanic isolation between its input and output channels, making it suitable for applications that require signal isolation while minimizing common-mode voltage differences. Each of the four isolated channels operates independently, allowing for data transfer across isolation barriers, which is essential in various industrial and medical applications. The device is designed to maintain high data rates and low power consumption, enhancing system reliability and performance.

Manufacturer

The ISO7240CDWR is manufactured by Texas Instruments, a well-known American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, which are essential components in electronic devices. The company is recognized for its innovations in analog and embedded processing technologies, catering to a wide range of industries, including automotive, industrial, communications, and consumer electronics. Texas Instruments is also a significant player in the development of digital signal processors (DSPs) and microcontrollers, contributing to advancements in modern electronics.

Application

ISO 7240-20 (often referenced as ISO 7240 CDW) pertains to fire detection and alarm systems. Its application areas include designing and installing fire detection systems in buildings, ensuring compliance with safety standards, and facilitating effective emergency response. It covers aspects such as system performance, testing, and maintenance, ensuring reliable operation in commercial, industrial, and residential environments.

Equivalent

The ISO7240CDWR is an isolated digital isolator. Equivalent products include the ADuM1201/1202 series from Analog Devices, the Si864x series from Silicon Labs, and the ISO7741/ISO7742 series from Texas Instruments. These alternatives provide similar isolation functionality and digital signal transmission capabilities. Always verify specifications for compatibility with your specific application.