ADUM2250ARWZ

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Digital Isolators are devices that are used to protect and isolate systems from high voltage or electrical noise. This application field is advantageous for data and signal transmission. The ADUM2250ARWZ is a digital isolator, which provide an isolation voltage of 3.3kV, a common mode rejection ratio of 73dB and a channel-to-channel isolation of 3kV. This makes it an ideal choice for industrial or laboratory applications.

The ADUM2250ARWZ is a two-channel isolator, providing both of its channels with the same amount of isolation voltage and rejection ratio. It provides two control signals for each set of channels – a single signal controls the input on one side, while a single isolated digital signal can be sent to the other side. The external power supply is required and a voltage range of 4.5V to 16V must be provided. The device has an operating temperature ranging from -40°C to 85°C and a maximum switching frequency of 1MHz.

The working principle of the ADUM2250ARWZ is based on the transfer of data via magnetic coupling. A transmitter coil is situated at the input side, while a receiver coil is situated at the output side. By sending a signal through the transmitter coil, an alternating current is generated, which is then coupled to the receiver coil and eventually used to control the output side. At the same time, the small alternating signal is also amplified and transformed into a digital signal. This digital signal is then processed by the digital isolator and used to control the output signal.

The transformer-based structure of the ADUM2250ARWZ is highly efficient and reliable, allowing the signal to pass with minimal distortion. Furthermore, the ADUM2250ARWZ is backed by a wide range of safety features, making it an ideal choice for many applications in automotive, industrial, medical, and consumer products. It also provides excellent noise immunity and helps to reduce the risk of data corruption due to electromagnetic interference.

In conclusion, the ADUM2250ARWZ digital isolator is an efficient and reliable device, which is designed to enable safe data and signal transmission in different application fields. With its unique transformer-based structure and a wide range of safety features, it provides an isolation voltage of 3.3kV, a common-mode rejection ratio of 73dB, and a channel-to-channel isolation of 3kV. This makes it a practical and reliable choice for many industrial and laboratory applications.

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