ADUM1401WSRWZ35-RL

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Digital isolators are electrical devices used to transfer electrical signals between two circuits while providing electrical isolation between them.

ADUM1401WSRWZ35-RL is a digital isolator from the ADUM1400WSRWZ family. It includes an integrated transformer which provides fast and reliable data transmission, as well as maintaining signal integrity over a wide range of coefficient of coupling (K c ) and frequency responses.

The isolator is based on Analog Devices’ patented iCoupler technology, which integrates high-speed data transfer through miniaturized, solid-state chip scale transformers. It features a monolithic CMOS signal processor with capacitive, magnetically isolated coupling technology that transfers data signals between its two isolated stages with up to 14 Mbps data rate per channel.

ADUM1401WSRWZ35-RL offers isolated power supply and opto-isolates up to 12 different signals between the isolated ports via its four-channel isolation. It is a highly integrated device that provides all of the signal and power isolation barriers necessary for safe and reliable operation. It allows isolation of low power signal port and power port on the same printed circuit board as well as remote signal and power isolation.

ADUM1401WSRWZ35-RL is ideal for applications requiring single-ended signal isolation such as PLCs, I/O modules, smart sensors, motor drivers, programmable logic controllers (PLCs) and AC drives. It can also be used in medical instrumentation, in SMPS feedback loops, HVAC, energy metering and industrial automation. The digital isolator can be used in applications where exposure to hazardous voltages is a concern and isolation of the transmission lines is a prerequisite.

The operation of the ADUM1401WSRWZ35-RL relies on a differential transformer with a pair of magnetically coupled transformer windings on a single integrated circuit. The primary winding of the transformer has two input terminals, and the secondary winding has two output terminals. When an input signal is applied to the primary winding, a magnetically coupled signal appears on the output terminals of the secondary winding. This isolation allows for the safe transmission of signals across hazardous or noisy environments, providing reliable and safe transmission of data.

The ADUM1401WSRWZ35-RL features a low propagation delay, high common mode rejection rate, and high transmission speed. Its design contains a triple internal shielding structure that effectively eliminates both electromagnetic and radio frequency interference. Its design also minimizes power dissipation and decreases signal distortion levels, providing reliable and safe transmission of data. Its high efficiency of isolation also helps to reduce energy loss and make the design more energy-efficient.

In summary, the ADUM1401WSRWZ35-RL is a highly integrated data isolation device designed to transfer signals and data between two isolated ports. It is an ideal choice for applications that require high speed data transmission and isolation, as well as for applications that require exposure to hazardous voltages. Its low propagation delay, high common mode rejection rate, and high transmission speed make it an excellent choice for digital isolator applications.

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