AD261BND-2

Common Mode Transient Immunity (Min):	10kV/µs
Base Part Number:	AD261
Supplier Device Package:	22-PDIP
Package / Case:	22-DIP Module
Mounting Type:	Through Hole
Operating Temperature:	-25°C ~ 85°C
Voltage - Supply:	4 V ~ 5.75 V
Rise / Fall Time (Typ):	--
Pulse Width Distortion (Max):	--
Propagation Delay tpLH / tpHL (Max):	25ns, 25ns
Data Rate:	--
Series:	IsoLogic™
Voltage - Isolation:	3500Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	2/3
Number of Channels:	5
Isolated Power:	No
Type:	General Purpose
Technology:	Magnetic Coupling
Part Status:	Last Time Buy
Packaging:	Tube

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Digital Isolators

AD261BND-2 is a digital isolator, which is designed for isolation applications in an electronic system. The device can provide power supply and signal isolation for embedded systems, lighting, industrial automation, and power transmission applications. The AD261BND-2 isolator serves as a bridge from one logic domain to another, providing galvanic isolation at high data rates. It provides isolation where other means, such as opto-couplers, are unable to meet the more stringent requirements of modern electronic designs, such as small size, power efficiency, and high performance.

Application Field

The AD261BND-2 digital isolator is used in a wide variety of applications. It can provide isolation for system signals, power supply, load monitoring, and system protection. It is suitable for use in a wide range of applications, from automotive to medical, industrial, logistic, and consumer electronics. The isolator allows two separate systems to communicate across a barrier, offering data and power isolation between the two systems.

Working Principle

The AD261BND-2 digital isolator works by transferring data and power across two electrical domains in a controlled and isolated manner. It uses capacitive coupling, forming an AC link between the two domains. The capacitance provides a buffer between the two domains, and data is transferred across the two domains in a stable and predictable manner. The isolator provides galvanic isolation for power and signal transmission, enabling digital interfaces to be isolated from each other.The isolated data signal is passed through a capacitor in the device, and the data is transferred across the gap created by the capacitor. The isolator works by creating an AC voltage, which is a small AC voltage, proportional to the input signal. The resulting AC voltage is then used to modify the voltage across the capacitor, which results in the signal being transferred to the other side.

Conclusion

In conclusion, the AD261BND-2 digital isolator provides a highly reliable and efficient solution for signal isolation across two electrical domains. It provides increased data transfer rates, high power efficiency, and small size, making it ideal for use in a wide range of commercial and industrial applications. With its low power profile and high isolation levels, the isolator is a versatile and cost-effective solution for providing transfer of data and power between two electronic domains.

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