ADUM1201WSRZ33

Series:	*
Packaging:	Tube
Part Status:	Obsolete
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	ADUM1201

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• Introduction:

Digital isolators are electronic isolator devices, which are used to galvanically isolate two electric circuits. They are designed to improve system reliability by preventing undesired electrical noise or signal variations from disrupting the functioning of an electronic system. The ADUM1201WSRZ33 is an example of such a digital isolator.

• Product Overview:

The ADUM1201WSRZ33 is a high-performance digital isolator, manufactured by Analog Devices Inc. It features four I/Os, four twisted differential outputs, and one analog output. It is powered by a 3-wire power supply at 5-Vdc, and can operate from -40°C to +125°C temperatures. The device is capable of providing a Peak-Power Dissipation of 140mW at 25°C. It has a gain of 8dB and a power output of 3.3 W.

• Application Field:

The ADUM1201WSRZ33 is suitable for application in digital isolation, motion control, communications, LED lighting, industrial automation, automotive, and many other industrial applications. It is designed to provide galvanic isolation between digital signals, while preserving signal integrity and accuracy. It can also be used for high-frequency switching applications such as wireless communications or power line communications.

• Working Principle:

The ADUM1201WSRZ33 digital isolator works by converting a differential signal input into a single ended outputs using electronic isolation. It operates on the principle of capacitive coupling whereby two capacitors, one in the input and one in the output, are electrically connected between the two circuits. When the input changes, the charge on the input capacitors changes. This causes a voltage difference between the two circuits. The output capacitors detect this change in voltage and produce an output voltage that is in proportion to the input voltage. The device provides isolation between the two circuits and allows the signals to pass through without any interference.

• Conclusion:

The ADUM1201WSRZ33 digital isolator is a highly-reliable and cost-effective device, which is suitable for a wide range of industrial and automotive applications. By using electronic isolation, it provides galvanic isolation between the two circuits, while preserving signal integrity and accuracy. It can be used for high-frequency switching applications such as wireless communications or power line communications.

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