ISO7242MDWG4

Common Mode Transient Immunity (Min):	25kV/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:	3.15 V ~ 5.5 V
Rise / Fall Time (Typ):	2ns, 2ns
Pulse Width Distortion (Max):	2ns
Propagation Delay tpLH / tpHL (Max):	23ns, 23ns
Data Rate:	150Mbps
Series:	--
Voltage - Isolation:	2500Vrms
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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Introduction to Digital Isolators:Digital isolators are devices used in electronic applications to provide electrical “isolation” between two circuits, and ISO7242MDWG4 is one such device. Digital isolators are primarily used to protect applications from dangerous voltage spikes, electrical noise, and sudden current fluctuations. It is also used to transmit electrical signals and to help guard against short circuits that can lead to dangerous shocks or fires.Working PrincipleDigital isolators are usually based on capacitance or transformer principles. ISO7242MDWG4 is based on the capacitance effect. The capacitance isolator integrates an isolation capacitance within a printed circuit board (PCB). This isolation capacitance is used to create a high-frequency, low-noise connection between two circuits separated by insulation. This helps to protect the system by creating a very small current path in which the voltage can be monitored and controlled.Application Field:One of the most common applications of digital isolators is in the medical industry. For example, the ISO7242MDWG4 can be used to provide isolated telemetry connections between patient monitors and headquarters systems. This allows hospitals to quickly update patient data in real-time without having to worry about interference from high-voltage electrical noise, which can jeopardize patient safety.Another popular use for digital isolators is in high-voltage power systems. The isolator protects components from voltage spikes, as well as block any voltage that is deemed too high, by creating a virtual barrier between the two systems. This helps to ensure that any dangerous conditions don’t damage any components, and can even provide critical protection from electrical fires.In the automotive industry, digital isolators are commonly used to increase the operational safety of components and systems within vehicles. This can involve isolating airbags or controlling the power levels to important systems, while also minimizing noise interference. Digital isolators are also used to control the ignition system, providing the important safety measure of preventing the engine from starting until all safety conditions are met.Finally, digital isolators are also widely used in industrial applications, such as industrial automation processes and the control of critical equipment. The digital isolator can provide an additional safety measure by limiting power output and blocking high currents in the process.ConclusionDigital isolators, such as the ISO7242MDWG4, are essential for any electronic system that needs to be protected from hazardous shocks, electrical noise, and sudden voltage fluctuations. These components are commonly used in medical, high-voltage power, automotive, and industrial applications, providing vital safety measures that safeguard against the potentially devastating consequences of electrical issues.

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