Common Mode Transient Immunity (Min):	25kV/µs
Base Part Number:	ADUM3151
Supplier Device Package:	20-SSOP
Package / Case:	20-SSOP (0.209", 5.30mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	3 V ~ 5.5 V
Rise / Fall Time (Typ):	2.5ns, 2.5ns
Pulse Width Distortion (Max):	3ns
Propagation Delay tpLH / tpHL (Max):	25ns, 25ns
Data Rate:	2Mbps
Series:	iCoupler®, SPIsolator™
Voltage - Isolation:	3750Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	5/2
Number of Channels:	7
Isolated Power:	No
Type:	SPI
Technology:	Magnetic Coupling
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Digital Isolators​​​​​

Digital isolators are useful electronic components that provide essential isolation between system components and circuits that would otherwise be potentially hazardous. Along with other components, such as galvanic isolation, digital isolators allow for a uniform, safe power transfer between circuits. The ADUM3151ARSZ-RL7 is a type of digital isolator that has become increasingly popular in recent years due to its high performance and versatility.The ADUM3151ARSZ-RL7 was designed specifically for space-restricted environments, such as automotive systems. It is particularly useful for interfacing between high-frequency and high-voltage circuits. The device can provide up to 2.5kV of input isolation, and up to 1.2MΩ of isolation resistance.The most commonly used applications of the ADUM3151ARSZ-RL7 are in systems that require isolation between input and output signals. The isolator can be used to provide reliable insulation between input and output signals, allowing the user to isolate any potential hazards that may exist. Additionally, the device can be used to provide isolation between multiple power sources or between two systems that require a common ground.In order to understand how the ADUM3151ARSZ-RL7 works, it is important to understand the principles behind digital isolation. Digital isolators use optoisolators, which are devices that use light-emitting diodes (LEDs) to send and receive electrical signals without direct physical contact. This is the core of the digital isolator’s operation and allows it to provide isolation between two systems.When an electrical signal passes through the LED in the optoisolator, it creates an optical signal that passes through a receiving device. The receiving device translates the optical signal back into an electrical signal, which can be passed through an isolation capacitor. The capacitor creates a potential barrier between the two systems, which allows high-frequency and high-voltage signals to be safely isolated.In addition to its primary purpose of isolating system components, the ADUM3151ARSZ-RL7 also offers several other advantages. The device has a fast propagation delay, which allows for faster signal transmission. Additionally, it has low power consumption, allowing it to be used in systems where power savings are a priority. Finally, it has low jitter, which allows for clean signal transmission.The ADUM3151ARSZ-RL7 is a digital isolator that offers high performance and versatility in a variety of applications. It uses optoisolators to provide isolation between two systems, and boasts low power consumption and high signal transmission speeds. As more systems begin to require digital isolation, the ADUM3151ARSZ-RL7 will be a powerful component in the arsenal of power engineers and system designers alike.

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