ISO7240CDWR

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ISO7240CDWR

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DGTL ISOLTR 2.5KV 4CH GP 16-SOIC

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Specifications

Attribute Value
PartStatus Active
Technology Capacitive Coupling
Type General Purpose
IsolatedPower No
NumberofChannels 4
Inputs-Side1/Side2 4/0
ChannelType Unidirectional
Voltage-Isolation 2500Vrms
CommonModeTransientImmunity(Min) 25kV/µs
DataRate 25Mbps
PropagationDelaytpLH/tpHL(Max) 42ns, 42ns
PulseWidthDistortion(Max) 2.5ns
Rise/FallTime(Typ) 2ns, 2ns
Voltage-Supply 3.15V ~ 5.5V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 16-SOIC (0.295", 7.50mm Width)
SupplierDevicePackage 16-SOIC
BaseProductNumber ISO7240

Overview

Description

ISO 7240 is a series of international standards that specify requirements, test methods, and performance criteria for fire detection and alarm systems in and around buildings. The specific designation "CDWR" in your query does not correspond to a recognized standard within the ISO 7240 series or any other known ISO document as of my last update. It might be a typographical error or an unofficial or preliminary designation.
The ISO 7240 series covers various components and systems, including control and indicating equipment, fire detectors (such as smoke, heat, and flame detectors), sound systems for emergency purposes, and more. These standards aim to ensure reliability, effectiveness, and interoperability of fire detection and alarm systems to enhance building safety and aid in emergency response.
For specific components or new developments within this series, it's best to consult the latest ISO publications or relevant industry resources for the most accurate and up-to-date information.

Equivalent

The ISO7240CDWR is a digital isolator from Texas Instruments. Equivalent products from other manufacturers include the ADuM1400 series from Analog Devices and the Si864x series from Silicon Labs. These alternatives offer similar isolation voltage ratings, channel configurations, and data rates, making them suitable substitutes in applications requiring digital signal isolation. Always compare specific parameters like data rate, isolation voltage, and package type to ensure compatibility.

Features

The ISO 7240 CDWR is a fire detection and alarm systems standard that focuses on the requirements for smoke detectors. Key features include:
1. Sensitivity: It outlines sensitivity criteria for detecting various types of smoke, ensuring reliable detection in different environments.
2. Environmental Durability: Specifies performance under various environmental conditions such as temperature, humidity, and air pressure.
3. Interference Immunity: Sets standards for resisting false alarms from dust, insects, or electromagnetic interference.
4. Power Supply: Details requirements for the power supply, including backup options to ensure continuous operation.
5. Design and Construction: Discusses the physical construction to prevent tampering and ensure durability over time.
6. Testing Protocols: Provides guidelines for testing the efficacy and reliability of detectors, including response time and sensitivity tests.
7. Maintenance and Inspection: Outlines maintenance procedures to sustain performance over the device's lifespan.
These features collectively aim to enhance the reliability and effectiveness of smoke detectors in fire alarm systems, contributing to greater safety in buildings.

Manufacturer

The ISO7240CDWR is manufactured by Texas Instruments (TI), a leading American technology company. TI is renowned for designing and producing a wide range of semiconductor and integrated circuit products, including analog chips and embedded processors. Their products are used in various industries, such as automotive, industrial, consumer electronics, and communications. As a major player in the semiconductor industry, Texas Instruments is known for its innovation and quality in developing components that enable electronic devices and systems worldwide.

Application

The ISO 7240 series focuses on fire detection and alarm systems, and ISO 7240-25 (CDWR—Communication of Detectors and Warning Receivers) specifically addresses communication protocols for detectors and warning receivers. Its primary application areas include residential, commercial, and industrial buildings where reliable fire detection and alarm systems are crucial for safety. The standard ensures interoperability and effective communication among various fire detection devices and systems, enhancing the reliability and responsiveness of fire safety measures. It is beneficial for manufacturers, system designers, and installers aiming to implement standardized, efficient, and reliable fire detection and alarm systems.

Package

ISO7240CDWR is typically available in a standard Small Outline Integrated Circuit (SOIC) package. This package type is commonly used for integrated circuits in electronic devices, providing a compact and reliable form factor suitable for various applications.

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