ISO7742FQDBQQ1

Common Mode Transient Immunity (Min):	85kV/µs
Supplier Device Package:	16-SSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	2.25 V ~ 5.5 V
Rise / Fall Time (Typ):	2.4ns, 2.4ns
Pulse Width Distortion (Max):	4.9ns
Propagation Delay tpLH / tpHL (Max):	16ns, 16ns
Data Rate:	100Mbps
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

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Digital Isolators: ISO7742FQDBQQ1 Application Field and Working Principle

Digital Isolators are used to isolate elements in electronic circuits so as to facilitate transmission of data between components of a circuit. It provides an isolated and regulated power from utility or other sources to allow safe transmission of data. The ISO7742FQDBQQ1 is an insulated-gate bipolar transistor (IGBT) that provides digital isolation from the power supply to the different circuit elements, helping to protect against electrical noise and helping to ensure that the power supply is regulated.The ISO7742FQDBQQ1 application field can range from industrial to home applications. It is widely used in power supplies, computers and communication systems, medical, aerospace, and automotive applications. It can be used to provide optical isolation between the input and output, as well as for signal conditioning, and voltage and current sensing.The main principle behind the ISO7742FQDBQQ1 is to isolate the input side from the output side. This is done by using an insulated gate bipolar transistor (IGBT). In a nutshell, the IGBT is essentially a switch that can be controlled by applying a voltage or current to the gate. When the gate voltage or current is applied, it allows electrons to flow from the source to the drain and vice versa. The ISO7742FQDBQQ1 provides features like wide input voltage range capability, high temperature operation and fast response time. It also provides ultra-low on-state voltage, low power loss and high isolation voltage capability. The device utilizes optocoupler technology to ensure isolation between primary and secondary sides. By using an optocoupler, the device prevents noise from the primary side from reaching the secondary side. Moreover, the device features an over-current protection function and a low-noise operation. The over-current protection function allows the device to detect current overload and trips/shuts off the device in case it exceeds the rated current. This feature is very useful for applications like solar module circuits, which helps to protect the module from damaging. Additionally, the low-noise operation ensures data transmission over long distances with low levels of distortion and interference. In addition, the ISO7742FQDBQQ1 also feature built-in ESD protection which eliminates the need for an ESD diode or other components. The ESD protection function guards against surge of voltage and current during electrostatic discharge which can otherwise cause damage to the device. The device also comes with pre-programmed clock synchronization which helps eliminate the need for external components for clock synchronization. To sum up, the ISO7742FQDBQQ1 is an ideal solution for many applications due its wide range of features that provide protection from electrical noise and ensure the power supply is regulated. It is used in a number of applications ranging from industrial to home applications, and provides a reliable and safe data transmission between primary and secondary sides of an electronic circuit. It helps to protect the device from electrical noise and ESD and provides clock synchronization to ensure reliable data transmission.

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