SI8442-C-IS

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Technology:	Capacitive Coupling
Type:	General Purpose
Isolated Power:	No
Number of Channels:	4
Inputs - Side 1/Side 2:	2/2
Channel Type:	Unidirectional
Voltage - Isolation:	2500Vrms
Common Mode Transient Immunity (Min):	25kV/µs
Data Rate:	150Mbps
Propagation Delay tpLH / tpHL (Max):	9.5ns, 9.5ns
Pulse Width Distortion (Max):	3ns
Rise / Fall Time (Typ):	2ns, 2ns
Voltage - Supply:	2.375 V ~ 5.5 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	16-SOIC

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Digital Isolators

Digital isolators have become increasingly popular in the electronic industry thanks to their ability to provide electrical isolation while transferring digital signals. The SI8442-C-IS digital isolator is a recent entrant into the family of digital isolators and is gaining popularity among designers due to its superior performance in a variety of applications.

Application Fields

The SI8442-C-IS digital isolator offers a wide range of application possibilities, including industrial digital input/output, communications networks, controllers, inverters, power electronics circuits, and power supply control, among others. More specifically, the isolator can be used in a variety of digital control systems, including automotive electronics, sensors, and metering systems.One of the most common applications for digital isolators is in industrial automation systems that require the safety of isolated signal paths. The SI8442-C-IS digital isolator is particularly suited for this type of system and can be used to transfer signals from different systems over a single channel. This isolator provides isolation of AC and DC signals and data across the entire operating range up to 20V.The SI8442-C-IS isolator is also ideal for redundant data path architectures, such as safety systems, since it ensures compliance with data safety standards. Additionally, it helps reduce the risk of transmission errors, and it provides an effective means of suppressing electrical noise.

Working Principle

The SI8442-C-IS digital isolator is designed with an isolation barrier that offers a high degree of electrical resistance between input and output channels. This resistance helps to prevent interference from external noise and crosstalk.In addition to its high resistance, the isolator also features a voltage suppression structure that helps to reduce losses during transmission and maintains signal accuracy and integrity. The isolator’s two-stage internal circuit design also helps to improve data protection and signal reliability.The SI8442-C-IS digital isolator is designed such that it can maintain optimal performance in a wide range of operating temperatures and operating conditions. The isolator can operate over a wide temperature range (−40°C to +125°C) and features a low voltage drop out rate of 0.25V.The SI8442-C-IS digital isolator also features a variety of safety features. These include a reverse current protection circuit, a surge protection circuit, and a built-in protection circuit for short-circuit current.

Conclusion

The SI8442-C-IS digital isolator is a highly versatile device that provides unparalleled isolation between input and output signals. It is ideal for industrial automation systems, redundant data pathways, and a variety of other applications. With its low voltage dropout rate and other safety features, the SI8442-C-IS provides reliable isolation performance in a wide range of conditions.

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