ADUM1246ARZ

Common Mode Transient Immunity (Min):	25kV/µs
Base Part Number:	ADUM1246
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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ADUM1246ARZ: Digital Isolators

Digital isolators, also known as digital signal isolators, are a type of data-signal transfer device used to isolate an electrical signal from an offboard source while still allowing it to be transmitted with minimal losses. The ADUM1246ARZ is one such device that provides high galvanic isolation up to 1000 volts between input and output signals, and is often used to transfer data between two systems. This article will discuss the application field and working principle of ADUM1246ARZ digital isolators.

Applications

ADUM1246ARZ digital isolators are typically used in industrial applications requiring galvanic isolation and fast data transmission, such as transferring signals from a data acquisition system to a microcontroller, driving a motor, controlling an actuator or dimming a LED display. They can also be found in automotive and medical fields, providing reliable data communication between different electrical systems. ADUM1246ARZ isolators are widely used for safety critical systems, providing a secure barrier between two systems isolated from each other.

Working Principle

The ADUM1246ARZ uses state-of-the-art, opto-coupled isolation technologies to provide reliable, low-noise signal transmission over 1000 volts of isolation barrier. The isolator works by converting electrical signals from the input side into light signals, which are then transmitted across a high-voltage barrier to the output side where they are converted back into electrical signals. This process ensures that all signals are transmitted with minimal losses, while providing a high level of galvanic isolation between two systems.The ADUM1246ARZ also features a Built-in Intelligent Transmitter technology, which is used to ensure reliable signal communication. This technology works by detecting any noise or interference on both ends of the signal using advanced signal analysis algorithms, and compensates for it by automatically adjusting the transmission frequency. This ensures fast, reliable signal transmission with reduced data loss. The ADUM1246ARZ digital isolator is also capable of data rate speeds up to 1MBit/s. This high data rate supports fast, reliable data transmission over large distances, enabling faster data acquisition, processing, and control.

Conclusion

The ADUM1246ARZ digital isolator is an ideal device for applications that require fast, reliable signal transmission over large distance under harsh environments. It is capable of providing up to 1000 volts of isolation barrier between input and output signals, and features a data rate of 1MBit/s which ensures fast, reliable communication without data loss. It is widely used in industrial, automotive and medical fields, and provides a secure barrier between two systems.

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