SI8441BB-D-IS1R

Common Mode Transient Immunity (Min):	25kV/µs (Typ)
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:	2.7 V ~ 5.5 V
Rise / Fall Time (Typ):	3.8ns, 2.8ns
Pulse Width Distortion (Max):	2.5ns
Propagation Delay tpLH / tpHL (Max):	9.5ns, 9.5ns
Data Rate:	150Mbps
Series:	Automotive, AEC-Q100
Voltage - Isolation:	2500Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	3/1
Number of Channels:	4
Isolated Power:	No
Type:	General Purpose
Technology:	Capacitive Coupling
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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<p>Digital isolators, by their very nature, are designed to insulate electrical components from each other electrically. The SI8441BB-D-IS1R is one such isolator, designed to provide isolation and interface capability between electrical circuits carrying digital signals.</p><p>In its most basic sense, this particular isolator is used to transfer digital signals from one system to another, while completely isolating the two from each other. The device achieves this by means of an electrical transformer, consisting of two copper wires arranged in coils, known as the primary and secondary windings. The primary winding is connected to the ‘input’ system, and the secondary winding is connected to the ‘output’ system. There is also a third wire that connects the primary and secondary windings. This third wire is known as the center-tap.</p><p>In the SI8441BB-D-IS1R, the transformer works in combination with two separate integrated circuits. The first IC is a bridge circuit, which is used to convert the input signal into a higher voltage signal that can then be sent to the transformer. The second IC is an operational amplifier (op amp) that converts the output from the transformer back into the original input signal, ensuring that the two systems are isolated from each other. This process of isolation is known as galvanic isolation, where electrical signals are passed through an isolator so that they do not cross paths and remain electrically isolated.</p><p>The SI8441BB-D-IS1R is typically used in applications where multiple systems need to be electrically isolated. It is ideally suited for embedded systems, industrial machinery, and medical equipment, among other things.</p><p>For industrial applications, the SI8441BB-D-IS1R is used to protect sensitive equipment from electrical interference and to prevent accidental operation of machinery due to failed isolation. This isolator can also prevent electromagnetic interference from disrupting normal operations. In medical applications, the device is used to protect sensitive medical equipment from electrical interference, as well as to ensure patient safety.</p><p>The SI8441BB-D-IS1R is also used in communications systems, providing relay and motor control. This isolator can switch signals on and off at high speeds without interference, allowing for accurate transmission of data without any cross-talk.</p><p>The SI8441BB-D-IS1R is a robust and reliable isolator, designed to enable digital signal transmission between two systems with complete electrical isolation. Its wide range of applications, from industrial machinery to medical devices, make it an invaluable asset in many modern systems.</p>

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