ADUM1301WSRWZ53

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Digital Isolators are becoming increasingly popular in the electronics industry, due to their versatile range of functions and reliability. ADUM1301WSRWZ53 is a high-performance digital isolator that utilizes a proprietary monolithic DC-to-DC converter to create optical isolation between digital circuitry. Combining features such as 10+ year lifetime, a wide supply range of 3.3 V to 20 V, and a low-voltage input operational range of 1 V to 10 V, the ADUM1301WSRWZ53 is an ideal choice for applications requiring reliable data transmission across a non-conductive media.

Application Field

The ADUM1301WSRWZ53 is a bi-directional, non-polar optically-isolated digital interface suitable for a variety of industrial, medical, automotive, and consumer applications. Possible uses include motor control, signal conditioners, in-vehicle network, PLCs and medical instrumentation.

The device offers two channels, which can be used to provide digital isolation and non-isolated signal conditioning and interface a variety of digital logic circuits. As an isolator, it is capable of separating logic signals from high-voltage, high-current, or high-frequency circuits, providing safety and noise isolation.

Working Principle

The ADUM1301WSRWZ53 utilizes a proprietary monolithic DC-to-DC converter to provide the isolated switching of digital signals between two circuits. The device contains two integrated high-performance optocouplers and a DC-DC converter. The optocouplers are used to isolate the signal paths, while the DC-DC converter supplies the power for the optocouplers and to create an isolated switching circuit.

The ADUM1301WSRWZ53 is very versatile, and can be used in a variety of applications. The bi-directional communication interface is compatible with logic levels up to 5 V, and the device is functional in -40°C to +85°C temperature range. It also provides push-pull output and open-collector output options, as well as a slew-rate controlled output option for interfacing to ADC and DAC converters or other digital circuits.

The optocoupler interface is designed to provide good signal isolation over a wide range of temperatures and voltages, and the DC-DC converter is designed to provide a high level of isolation from external noise. The device is also designed to work in high-temperature environments without becoming damaged or destabilizing the signals.

The ADUM1301WSRWZ53 is available in a 6-pin SOT-23 package, which makes it easy to use in space-constrained applications. It offers twice the channel density of its competitors, at a lower cost.

Conclusion

The ADUM1301WSRWZ53 is an ideal choice for applications requiring reliable data transmission across a non-conductive media. Its features and capabilities make it a good choice for industrial, medical, automotive, and consumer applications, as well as signal conditioning and motor control. Its versatility, wide temperature range, and easy-to-use package make it a cost-effective solution for digital isolation applications.

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