ADUM3470CRSZ

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Digital isolators are components used to transfer digital signals between two substrates while preventing the flow of electrical power between them. ADUM3470CRSZ is a digital isolator based on Analog Devices’ patented iCoupler technology, which enables high-performance isolation with a low-voltage CMOS process. The ADUM3470CRSZ is an octal digital isolator that provides digital signal transmission between two isolated systems. This device is designed to operate over a wide supply voltage while remaining within the specified performance limits.

Digital isolator components are widely used in a variety of applications, including automotive, industrial, medical, and consumer electronics. The ADUM3470CRSZ is no exception and can be used to provide bidirectional digital signal isolation in various system configurations. It is an ideal choice for applications involving motor control, power supply sequencing, data conversion, and serial communications.

The ADUM3470CRSZ is a low-power, CMOS-based device with an integrated transformer with input/output high voltage transistors. It has a maximum input/output voltage of 5.5V, and its switching voltage and capacitance are sensitive to the supply voltage. The device has an isolation voltage rating of 1.5 kV RMS. It also has an output drive capability of up to 32mA, allowing it to be used as a buffer for digital isolation.

The ADUM3470CRSZ also has a propagation delay of 9ns, which allows it to be used in high-speed applications with minimal signal losses. The device is also protected against electromagnetic interference (EMI) and surge protection, making it suitable for use in electromagnetically sensitive environments. In terms of temperature range, the device operates over a wide temperature range (-40°C to +105°C).

The working principle of the ADUM3470CRSZ is based on Analog Devices’ iCoupler technology. This technology uses CMOS magnetic isolation technology to isolate signals between two isolated domains. The device uses an integrated transformer and two interdigitated electrodes to provide galvanic isolation. The transformer consists of two windings, one for the input signal and the other for the output signal. The input signal is transferred to the output side through the transformer, which isolates the two sides from each other, preventing electrical power from flowing between them.

The operation of the device is also simplified by the fact that it only requires a single supply voltage. This allows for easy integration into existing systems. In addition, the device can be configured for different logic levels, enabling it to work with a range of different logic levels. This makes it ideal for applications that involve interfacing with a variety of digital logic devices. Its low power consumption also makes it more suitable for battery-driven applications.

Overall, the ADUM3470CRSZ is a versatile and reliable digital isolator for use in many applications. Its wide range of features and its low power consumption make it suitable for a wide variety of applications. Its low-voltage CMOS process also makes it an ideal choice for applications in which energy conservation is important. Whether it is used in automotive, industrial, medical, or consumer electronic systems, the ADUM3470CRSZ is sure to provide the necessary isolation and performance.

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