ADUM1447ARQZ

Common Mode Transient Immunity (Min):	25kV/µs
Base Part Number:	ADUM1447
Supplier Device Package:	16-QSOP
Package / Case:	16-SSOP (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:	2500Vrms
Channel Type:	Unidirectional
Inputs - Side 1/Side 2:	2/2
Number of Channels:	4
Isolated Power:	No
Type:	General Purpose
Technology:	Magnetic Coupling
Part Status:	Active
Packaging:	Tube

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Digital Isolators

Digital Isolators provide an isolation barrier between two circuits. This level of isolation can be used to reduce signal distortion and interference from external sources. The ADUM1447ARQZ is a digital isolator that provides galvanic isolation between two signals, allowing signals to be transmitted safely and reliably. This isolator provides superior data transmission performance and is designed for a wide range of industrial, automotive, medical, and instrumentation applications.

Applications of ADUM1447ARQZ

The ADUM1447ARQZ is a 4-channel digital isolator that supports data transmission rates up to 5Mbps, ensuring fast and reliable data transmission. This isolator is widely used in many applications such as industrial equipment, automotive systems, medical systems, instrumentation, and avionics. In industrial applications, it can be used to isolate analog signals from digital signals. In automotive applications, it can be used to provide isolation between electronic control units and allow communication between them. In medical applications, it can be used to prevent the transmission of electronic noise and radiation. In instrumentation applications, it can be used to isolate signals from other instruments and prevent interference. Lastly, in avionics applications, it can be used to provide isolation between communication and navigation systems and prevent any interference from external sources.

Working Principle of ADUM1447ARQZ

The ADUM1447ARQZ isolator works on the basis of transformer coupling. This isolator has two primary and secondary windings within the transformer. The primary winding is connected to the input signal, and the secondary winding is connected to the output signal. When an input signal is applied to the primary winding, the signal is transformed via electromagnetic induction to the secondary winding. This process isolates the input signal from the output signal, thus providing galvanic isolation.The isolator also includes several integrated features, such as overvoltage protections and ESD protection, to further safeguard the system. Furthermore, the chip contains a control logic circuit to control the information flow between the input and output. This circuit helps ensure that the output signal only contains valid input signals and not noise or distortion from external sources.

Conclusion

Digital Isolators provide a critical layer of protection for sensitive electronic systems. The ADUM1447ARQZ is a 4-channel digital isolator designed for a wide range of applications. It uses transformer coupling to isolate input and output signals and includes several integrated safety features to protect the system. Furthermore, it allows data transmission rates of up to 5Mbps, ensuring fast and reliable data transmission.

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