SI8642BT-IS

Common Mode Transient Immunity (Min):	60kV/µs
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm 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:	5000Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	2/2
Number of Channels:	4
Isolated Power:	No
Type:	General Purpose
Technology:	Capacitive Coupling
Part Status:	Active
Packaging:	Tube

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Si8642BT-IS is one type of digital isolators, which are extensively used in far-reaching electronics and computer systems. Due to their ability to safeguarded signals and carrying out precise transfer between two points of a system, digital isolators are embraced to solve a variety of challenges that arise in signal processing and raw data acquisition. The SI8642BT-IS is particularly useful for providing galvanic isolation in home automation applications and industrial automation. The SI8642BT-IS integrates two channels into one isolated solution, supporting both digitalInput and output signals.The isolated digital interfacing authority is ensured through a couple of bidirectional field effect transistors(FETs). The advantage of this device is that it provides target innovation in digital isolators, and its robust status assures acomprehensive safety protection and reliability. Moreover, signal conversion and cross-talkmanagement can be achieved by efficiently controlling the FETs and with updated current-limit sensing.In its most general form, SI8642BT-IS is composed of two sections including an input side and an output side. The input side utilizes CMOS transmitters with high open-circuit transfer efficiency, while the output section utilizes optically coupled silicon photovoltaic detectors. The isolation between these two sides is provided by an insulator made of a dielectric material. This helps to ensure that no extra power is required to transfer signals between the two sides. The two stages used in the SI8642BT-IS are interconnected by a balanced magnetic circuit, allowing digital signal transfer between the two sides. On the input side, a DC amplifier is used to amplify the input signal before transmitting it to the output side. On the output side, a modulation stage is deployed that is usually a CMOS switch whose output is connected to a transformer to reduce the signal current and step-down the voltage. This helps to ensure that there is no direct electrical connection between the input and output stages.Further, the SI8642BT-IS has inbuilt microarray-level process dynamics pressure, which helps to minimize switching jitter and improves stability for high-speed switching.The device also offers improved noise immunity due to the tightly coupled optical coupling technology, which helps in improving signal-to-noise ratios.The wide applications of SI8642BT-ISs include home and industrial automation, telecommunications, railway systems, medical systems, and automotive applications. In home automation, for example, isolators are used to connect several home appliances to a single home automation network, providing secure inter-device communication. In industrial automation, isolators are used to connect sensors and systems in a distributed network, enabling reliable and safe communication. In summary, the SI8642BT-IS is a powerful digital isolator that offers reliable performance in a range of home and industrial automation applications. Its two-channel design with CMOS transmitters and optically coupled detectors make it an ideal solution for secure and high-speed inter-device connectivity. Its inbuilt noise immunity capabilities enhance signal-to-noise ratios while its pressure process dynamics reduces switching jitter.

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