ADUM1241ARZ

Common Mode Transient Immunity (Min):	25kV/µs
Base Part Number:	ADUM1241
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	2.25 V ~ 3.6 V
Rise / Fall Time (Typ):	2ns, 2ns
Pulse Width Distortion (Max):	8ns
Propagation Delay tpLH / tpHL (Max):	180ns, 180ns
Data Rate:	2Mbps
Series:	iCoupler®
Voltage - Isolation:	3000Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	1/1
Number of Channels:	2
Isolated Power:	No
Type:	General Purpose
Technology:	Magnetic Coupling
Part Status:	Active
Packaging:	Tube

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Digital Isolators

Digital isolators are electronic components used to electrically isolate two circuits, with the goal of eliminating interference between them and improving system safety. The ADUM1241ARZ digital isolator is a type of digital isolator which incorporates state-of-the-art silicon monolithic technology, high-speed data transmission, and a very high level of electromagnetic interference (EMI) robustness.

Application Field

The ADUM1241ARZ digital isolator is an ideal choice for data isolation applications. One of its most common uses is providing galvanic isolation for digital signals, which helps to reduce ground loops, minimize signal distortion, and eliminate the effects of common-mode voltage transients. The ADUM1241ARZ can be used in a wide range of applications including motor control, industrial measure and control, communication systems, and power supplies. It is also designed to offer improved performance in a broad range of switching loads.

Working Principle

The working principle of the ADUM1241ARZ digital isolator is based on the use of magnetically coupled integrated circuits (ICs). The circuit includes two separate ICs with the primary IC, the transmission IC, integrated onto the same substrate as the secondary IC, the receiver IC. These ICs are sealed in a common package, and their internal electrical connections are isolated by non-conductive glass seal material. The magnetically coupled ICs are used to directly transfer energy through a magnetic field between them, without the need for any direct electrical connections. This ensures that the digital signals travelling between the two circuits remain isolated and free of any interferences. The high speed data transmission between the two ICs allows for a signal transmission rate of up to 5 Mbps, while the high level of magnetic interference (EMI) robustness ensures error-free data transmission. The ADUM1241ARZ digital isolator also features an integrated power switch, which allows it to be easily linked to an external source of power. This allows the ICs to remain powered-on even when the device is in a stand-by or low-power state, increasing its lifetime and enhancing system reliability. Overall, the digital isolator is a highly reliable and efficient device that can be used in a wide variety of applications. With its high-speed data transmission, power switch, and high level of EMI robustness, the ADUM1241ARZ digital isolator is the ideal choice for data isolation applications.

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