IL717-3B

Common Mode Transient Immunity (Min):	20kV/µs
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Voltage - Supply:	3 V ~ 5.5 V, 4.5 V ~ 5.5 V
Rise / Fall Time (Typ):	1ns, 1ns
Pulse Width Distortion (Max):	3ns
Propagation Delay tpLH / tpHL (Max):	15ns, 15ns
Data Rate:	110MBd
Series:	IsoLoop®
Voltage - Isolation:	2500Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	3/1
Number of Channels:	4
Isolated Power:	No
Type:	General Purpose
Technology:	GMR (Giant Magnetoresistive)
Part Status:	Obsolete
Packaging:	Tube

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Introduction
Digital isolators are a type of electronic components that are used in applications that require a high level of electrical isolation. Traditionally, digital isolators use optocouplers to provide an electrostatically isolated connection to sensitive electronics. The more recent designs such as the IL717-3B, however, replace the optocoupler with an isolation transformer, increasing performance and reliability, while reducing the cost and complexity. The IL717-3B is a 3-channel digital isolator with 2kV reinforced isolation, making it ideal for a variety of applications ranging from industrial automation to medical device control.

IL717-3B Application Field
The IL717-3B digital isolator is the perfect choice for a variety of industrial automation and medical device applications. The reinforced isolation of 2kV provides the required level of protection for a variety of operating conditions. In addition, it can be used in data acquisition and signal conditioning applications as well as with electromechanical systems. It is also suitable for analog signal isolation, PLC interface, and general-purpose isolated switching.

IL717-3B Working Principle
The IL717-3B digital isolator works on the principle of electromagnetic induction. This type of isolation works by creating an alternating voltage across the primary side of the isolator, which induces a voltage and current in the secondary side. The output signals on both sides are thus isolated from each other, allowing them to be manipulated without affecting each other. The alternating voltage created by the isolator is high frequency, typically 1 MHz, and is much faster than the user’s signal. This allows the isolator to work without introducing any errors or distortions to the user’s signal.

Conclusion
The IL717-3B digital isolator is a versatile and reliable component that can be used in a variety of applications where isolation is needed. It offers reinforced isolation of 2kV and works on the principle of electromagnetic induction, providing a fast and effective method of electrical isolation. Its low cost and simple implementation make it an ideal choice for industrial automation and medical device designs.

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