ISO7720DWR

Common Mode Transient Immunity (Min):	85kV/µs
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Voltage - Supply:	2.25 V ~ 5.5 V
Rise / Fall Time (Typ):	1.8ns, 1.9ns
Pulse Width Distortion (Max):	4.9ns
Propagation Delay tpLH / tpHL (Max):	16ns, 16ns
Data Rate:	100Mbps
Series:	--
Voltage - Isolation:	5000Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	2/0
Number of Channels:	2
Isolated Power:	No
Type:	General Purpose
Technology:	Capacitive Coupling
Part Status:	Active
Packaging:	Cut Tape (CT)

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<p>Digital isolators are essential components of systems that require electrically isolated signals from a source. This is achieved by maintaining a physical separation between the two channel signals, meaning that there is no contact between the two signals, and maintaining an electrical isolation quality through highly effective optical barriers. In system designs, the most popularly used digital isolator is the ISO7720DWR. It combines unprecedented level of safety, performance and reliability.</p><p>The ISO7720DWR is an optically isolated, three-channel digital isolator that provides electrical isolation, signal transmission and level shifting between system ground, logic ground, and an isolated ground. This device is comprised of an LED-based optical receiver, uniform threshold voltage, integrated Schottky diode, and a photodiode. When interconnected, these components offer extraordinary levels of noise immunity, so that errors due to noise induced and static data corruption are minimized.</p><p>The ISO7720DWR utilizes a highly efficient optical technique to separate the two signal channels, preventing any direct electrical contact between the two channels. The LED-based optical receiver, Schottky diode, and the photodiode create an efficient, light-based transmission system. When the LEDs emit their light, the photodiode receives the light signal, and a voltage signal is created. This voltage signal is then sent to the logic ground through a series of Schottky diodes, which are designed to maintain a uniform threshold voltage. This uniform threshold voltage ensures that the voltage signal, upon reception, is safely transmitted from the logic ground to the system ground through a series of diodes. This design ensures that a low noise transfer is achieved, and the signal is maintained without any distortion. </p><p>In terms of its application field, the ISO7720DWR is suitable for all types of electronic systems and medical electronics applications. It is especially suitable for those that require high-grade and easily implemented solutions for signal conditioning and electrical isolation. This device is also suitable for system designs that require level shifting for signal transmission, and those that require signal transmission between multiple logical grounds.</p><p>The ISO7720DWR is an excellent choice for system designs that require high levels of performance and reliability. It is a cost-effective device that provides reliable isolation between signal channels, as well as excellent signal transmission performance. Furthermore, its optical receiver, uniform threshold voltage, and integrated Schottky diodes all work together to ensure a low noise transfer, which minimizes the risk of errors due to noise induced and static data corruption. This device is an invaluable component for any electronic system and medical device application.</p>

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