ADUM1402WTRWZ33-RL

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Digital Isolators are designed to pass and receive digital signals from one circuit to another without electrical contact. The advantages of these isolators are the ability to reduce electrical noise and interference, and to allow for the passage of a signal that remains pure and unaltered. This highly effective technology can be found in industrial, medical, military, automotive and consumer products.

The ADUM1402WTRWZ33-RL is a family of digital isolators that maximizes signal integrity between common logic circuits. The isolator utilizes advanced CMOS processes for the digital input and output circuits while maintaining a nominal 16 kV/µs of common mode transient immunity. The device is rated for operation up to 80 VDC, and operates with very low power consumption (less than 5 mW) without sacrificing signal integrity.

The general application field and working principle of the ADUM1402WTRWZ33-RL digital isolators are as follows:

Application Field: Digital isolators like the ADUM1402WTRWZ33-RL are used in a variety of applications where electrical signals need to be transferred but need to remain isolated electrically. These applications include measurement systems, industrial process control, power supplies, medical electronics, factory automation and data communication. In these applications, the isolator provides electrical isolation between two circuits; for instance, it can provide isolation between the power and signal circuit and the controller or the signal and logic circuits.

Working Principle: Digital isolators like the ADUM1402WTRWZ33-RL facilitate the electrical isolation of digital signals between two circuits by using circuitry instead of having to resort to a physical barrier (such as an opto-isolator). It does this by combining monolithic IC processes with a transformer. By applying an voltage to the primary winding of the transformer, the magnetic fields induced cause a change in the secondary side voltage, which can then be used to drive a digital output. The digital isolator then serves to electrically isolate the two circuits while allowing the digital signal to pass through.

Additionally, digital isolators like the ADUM1402WTRWZ33-RL can also provide improved noise immunity because of the galvanic isolation. The transformer\'s isolation guarantees that noise on the input is not transferred directly to the output, as would be the case without the digital isolator. This means that signal integrity is improved, resulting in improved system performance.

The use of digital isolators, such as the ADUM1402WTRWZ33-RL, has become increasingly popular in various industry and civilian applications because of their low cost and increased signal integrity. With its small form factor and low power consumption, this digital isolator is ideal for a wide range of applications.

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