SI8661EC-B-IS1

Common Mode Transient Immunity (Min):	35kV/µs
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	2.5 V ~ 5.5 V
Rise / Fall Time (Typ):	2.5ns, 2.5ns
Pulse Width Distortion (Max):	4.5ns
Propagation Delay tpLH / tpHL (Max):	13ns, 13ns
Data Rate:	150Mbps
Series:	Automotive, AEC-Q100
Voltage - Isolation:	3750Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	5/1
Number of Channels:	6
Isolated Power:	No
Type:	General Purpose
Technology:	Capacitive Coupling
Part Status:	Active
Packaging:	Tube

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Digital Isolators

Computers have become a key part of our lives, and their use is ever-increasing. Much of the technology today relies on digital isolators (also known as isolation barriers) to protect users and systems from the hazards and destructive effects of electrical interference. The SI8661EC-B-IS1 is a prime example of such an isolator, and its wide range of applications and easy implementation make it a preferred digital isolator choice for many devices.

Working Principle

The SI8661EC-B-IS1 digital isolator works by keeping signals and devices electrically isolated from one another. It features a high isolation barrier implemented to allow signals to pass while blocking interference from entering the system.The device is powered through two voltage inputs, which pass through its own isolated power supply. The power supplyis ready to accept a wide range of input voltages, allowing it to be used in a multitude of applications. The digital isolator is also highly configurable, allowing users to adjust or switch its features with ease. Its isolation barrier also prevents the device from creating short circuits or malfunctioning.

High Isolation Requirements

The SI8661EC-B-IS1 digital isolator’s ability to provide high-grade isolation and protection makes it suitable for a wide range of applications. These include data and signal isolation in medical instruments used for patient monitoring, data protection for telecommunications systems, and general industrial automation requirements.

Applications

The SI8661EC-B-IS1 is exceptionally versatile and can be implemented in any application that requires high-level isolation. As mentioned before, it is extensively used in medical instruments such as ECG and EEG systems and is often used as a signal isolator in line isolators, signal transmitters, protective relays, and much more.Another common use of the SI8661EC-B-IS1 is to protect signals and systems from interference in critical networks, computers, or communications systems. By providing isolation barriers and demanding protection levels of up to 4.2kV, the device can effectively combat interference, noise, and susceptibility problems in these areas.The SI8661EC-B-IS1 is also used in hazardous areas for safety applications, as it can prevent the spread of hazardous materials and electromagnetic energy from leaking out.

Conclusion

The SI8661EC-B-IS1 digital isolator is widely recognized as a reliable isolation device for a wide variety of applications. Its high isolation capability, configurability, and wide voltage input range are some of its most appealing features. It is an especially popular choice in medical instruments, hazardous areas, and systems requiring high levels of protection. In essence, the SI8661EC-B-IS1 digital isolator is truly a reliable and must-have device for any application requiring electronic isolation.

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