SI8719BD-A-IM

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Digital Isolators

Digital isolators are isolation devices that pass digital signals between two or more circuits while maintaining galvanic, opto-coupler or transformer isolation. The SI8719BD-A-IM is a high performance multi-channel digital isolator featuring low propagation delay and a wide common mode transient immunity designed specifically for use in industrial automation, metering, isolated communication systems and consumer applications.

Application Field

The SI8719BD-A-IM is suitable for noise reduction, improving signal integrity, and protection of electronic systems from surpassing power or ground noise. As a digital isolator, it provides protection against high voltage transients by keeping voltage spikes from crossing the ground line, reducing the risk of electric shocks, damage to spiking sensitive equipments, and increased lifespan of these equipments. It also optimizes the power circuits, providing reliable, efficient power. It is regularly used in applications such as power monitoring and control, circuit protection, current sensing, and portable devices.

Working Principle

The way this digital isolator works is through the use of opto-isolators and opto-couplers. The opto-isolator consists of two components; an emitter, which is responsible for generating light photons, and a detector, which is responsible for detecting the light photons emitted from the emitter. The emission and absorption of these light photons is what provides the galvanic isolation of the opto-coupler. When an AC voltage is applied to the LED in the opto-isolator, it produces light photons and these photons are detected on the other side of the isolator by the photodetector, therefore providing galvanic isolation. The SI8719BD-A-IM is capable of detecting up to 16 channels of digital signals and isolating them from each other. This effectively reduces the risk of electric shocks, eliminates any power and/or ground noise, and increases the lifespan of the equipments.

Benefits

The SI8719BD-A-IM digital isolator provides great benefits compared to other types of isolators. For example, its low propagation delay, wide common mode transient immunity, and low and adjustable jitter make it ideal for industrial automation, metering, and other applications where precision and accuracy are required. It is also capable of securing data transmission from electrical noise and other interference. This insulation ensures that the data travels safely and its integrity is not compromised. It also improves the efficiency of the power circuits, as it reduces power consumption and enables efficient power management.

Conclusion

The SI8719BD-A-IM is a highly efficient multi-channel digital isolator that has been specially designed to provide reliable isolation of digital signals in a range of applications. Its low propagation delay, wide common mode transient immunity, and low and adjustable jitter make it ideal for industrial automation, metering, isolated communications systems and other applications. It also reduces the risk of electric shocks, eliminates power and/or ground noise, and increases the lifespan of sensitive equipments. In addition to this, it reduces power consumption and ensures the secure transmission of data.

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