ISOW7840FDWE

Common Mode Transient Immunity (Min):	100kV/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 V ~ 5.5 V
Rise / Fall Time (Typ):	4ns, 4ns
Pulse Width Distortion (Max):	4.7ns
Propagation Delay tpLH / tpHL (Max):	17.6ns, 17.6ns
Data Rate:	100Mbps
Series:	--
Voltage - Isolation:	5000Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	4/0
Number of Channels:	4
Isolated Power:	Yes
Type:	General Purpose
Technology:	Capacitive Coupling
Part Status:	Active
Packaging:	Tube

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Digital IsolatorsDigital isolators are a type of device that serves the purpose of isolating a component from its environment to prevent the flow of electricity, data or other signals. For example, electrical power isolators are used to separate a digital signal from the main power grid. Isolators have a wide variety of applications and can be found in sectors such as telecommunications, automotive, medical, and industrial automation. ISOW7840FDWE is a type of digital isolator designed to protect high-speed digital systems in applications such as automotive in-vehicle network, medical, and industrial automation. This isolator is suitable for continuous operation in temperatures between -40°C and +125°C, and offers an extended insulation path that can withstand higher voltage levels in tough environments.The ISOW7840FDWE is designed with an isolation interface that uses transformer coupling to separate two connected circuits, while the isolation barrier between the two circuits can remain unaffected by outside disturbances. This interface provides high-efficiency data transmission, which makes it ideal for eliminating potential crosstalk from digital signals, ensuring signal integrity in high-frequency applications, and protecting against the influence of outside noise. Additionally, this digital isolator has a low power consumption, low jitter, and a wide working frequency range.The basic working principle of any digital isolator is to transfer data signals between two different circuits, while preventing direct electrical connection between them. These devices are typically used when it is necessary to separate two parts of the same circuit with high reliability and at a very low cost. The isolator works by creating a barrier between the two parts of the circuit, which prevents electric current or signals from crossing the barrier and interfering with the other side. This barrier is created by two main components: A signal transformer, and an isolation interface. The signal transformer acts as an electrical resistor, which blocks any signal from passing through the transformer and into the other circuit. The isolation interface in ISOW7840FDWE isolator contains a wide array of galvanic barriers, such as opto-couplers, and capacitors which prevent the communication of electric current between the two parts of the circuit. This isolation interface also ensures that the isolated part of the circuit remains unaffected by the other side.In conclusion, the ISOW7840FDWE is a reliable, cost-effective digital isolator that offers a variety of features to meet the requirements of high-speed digital applications. This device is designed with wide frequency range, low jitter, low power consumption and an extended insulation path, which all make it a suitable choice for various sectors such as automotive, medical and industrial automation. The device works by utilizing a combination of transformers and isolation interface that prevents electric current and signals from traveling between the two different circuits, while allowing for unhindered data transmission in tough environments.

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