SI8640AB-B-ISR Isolators

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Digital Isolators are widely used in a variety of industrial applications. The SI8640AB-B-ISR is particularly well-suited for applications where data isolation, temperature performance, and signal integrity are key requirements. The device also provides high levels of surge protection, allowing for effective protection against power surges and other electrostatic events.

The SI8640AB-B-ISR digital isolator is a galvanically isolated, full duplex, asynchronous data isolator. It uses a patented process called “quadrafoil” to provide data isolation and galvanic isolation. The device uses four conductive multi-layer coils, forming a conductive path which transfers DC signals without crosstalk. The device also has built-in surge protection and reduced kickback diodes.

The SI8640AB-B-ISR digital isolator is a four-channel device capable of carrying data rates up to 20 Mbps across each channel. The three-wire interface enables two-way communication, allowing data from both channels to be exchanged via one physical interface. The device includes dual stage ESD protection, providing robust protection against ESD events.

The SI8640AB-B-ISR digital isolator also includes a temperature compensation circuit that allows it to be used in harsh operating environments. This temperature compensation helps ensure reliable operation across the device’s operating temperature range. The device also incorporates an integrated capacitor network, which provides EMI (electro - magnetic interference) mitigation.

The SI8640AB-B-ISR digital isolator is designed primarily for applications that require signal isolation and robust operation in high temperature environments. The device is ideal for communication applications, especially in harsh industrial environments where high levels of noise and interference may be present. It is also suitable for other applications, such as power protection, medical instruments, military equipment and automotive systems.

In summary, the SI8640AB-B-ISR digital isolator is a four-channel device designed for applications requiring signal isolation and robust operation in high temperature environments. The device combines galvanic isolation, ESD protection, temperature compensation, and integrated capacitor networks to provide excellent signal integrity, surge protection, and temperature performance. The device is suitable for use in a wide range of applications, from communication to military systems.

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