ADUM241D0BRWZ

Common Mode Transient Immunity (Min):	75kV/µs
Base Part Number:	ADUM241
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:	1.7 V ~ 5.5 V
Rise / Fall Time (Typ):	2.5ns, 2.5ns
Pulse Width Distortion (Max):	3ns
Propagation Delay tpLH / tpHL (Max):	13ns, 13ns
Data Rate:	150Mbps
Series:	iCoupler®
Voltage - Isolation:	5000Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	3/1
Number of Channels:	4
Isolated Power:	No
Type:	General Purpose
Technology:	Magnetic Coupling
Part Status:	Active
Packaging:	Tube

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ADUM241D0BRWZ Digital Isolator – Application Field and Working Principle

Digital isolators are integrated circuits used to provide electrical isolation between two circuits. ADUM241D0BRWZ digital isolator, specifically, is a semiconductor device comprising four channels, offering up to 2500Vrms of electrical isolation. It is based on Analog Devices Inc.’s iCoupler digital isolation technology, which relies on a special insulated micro transformer.

Application Field

ADUM241D0BRWZ digital isolator is perfect for applications that require both electrical and data isolation. Its applications mainly depend on the type of end equipment and the nature of the power or signal to be transmitted. Accurate and reliable data transmission between different parts of an electronics system is important for applications such as motor control, medical diagnostic equipment, industrial automation, factory floor systems, and others. The ADUM241D0BRWZ digital isolator is particularly suitable for safety-critical application or where operation is in hostile environment, providing an ideal digital communication link across isolation barriers.

Working Principle

ADUM241D0BRWZ digital isolator operates on the practical application of the transformer principle and iCoupler technology. A transformer works by freely sending magnetic energy over an observable distance between two or more coils. In traditional inductors, however, a transformer relies on a physical core to provide coupling between two coils. In contrast, iCoupler technology uses no physical component for energy transfer but relies on a special insulated micro transformer to achieve isolation. The device operates by transferring electrical energy between two inductors through an isolator magnetically. It utilizes galvanic isolation to maintain electrical isolation between the isolation barrier and digital circuits on the input and output side. Its semiconductor isolation technology further provides reliable data transfer over its specified range. Moreover, the device provides excellent common-mode and discontinuous-mode EMI performance, compliant to the IEC 61000-4-2 standard as well as to industrial common-mode noise performance.

Benefits

The main benefits of ADUM241D0BRWZ digital isolator is that it simplifies and speeds up design, ensures safety, and increases reliability. Its iCoupler technology provides fast data transmission and is capable of running at speeds up to 25Mbps. The device also offers a guaranteed two-way isolation for data line up to 1500Vrms. Additionally, it has a supply voltage range of 3.3V-20V with an operating temperature range of -55C to +105C.

Conclusion

ADUM241D0BRWZ digital isolator is an ideal and cost effective device for many industrial and high-end applications requiring electrical and data isolation. Its iCoupler technology and galvanic isolation provide reliable, fast, and safe data transmission, at the same time meeting the industrial requirements of common-mode and discontinuous-mode noise performance. ADUM241D0BRWZ digital isolator offers the right combination of performance and features ensuring reliable operation even in the harshest environmental conditions.

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