ISO35DWR Isolators

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Digital isolators refer to the technology that use semiconductor components instead of optical isolators, transformers, and relays to electrically isolate one circuit from another. This technology offers higher reliability, smaller size, faster speed, lower cost, and higher performance. It is becoming an increasingly popular alternative in industrial and medical applications.

One such digital isolator is the ISO35DWR. This device is manufactured by Analog Devices and is optimized for signal or data transmission applications. It features two isolators in one package, which is referred to as a dual-channel signal isolator. This miniature chip has an isolation voltage of 3000V, with a data rate up to 30Mbps.

The ISO35DWR digital isolator is suitable for high-speed communication in a variety of industrial and medical applications. These applications include process control, automation, measurement and motion control, as well as for medical instrumentation. In its dual-channel signal isolator configuration, the ISO35DWR can be applied in double redundancy for increased reliability, or for redundant signal transmission.

The ISO35DWR digital isolator works by employing an intrinsic safety design that provides an isolation barrier between electrical circuits. This technique makes use of capacitive coupling to provide galvanic isolation. The isolation is done by capacitively coupling the two channels on both sides of the IC. This means that both channels are isolated from each other, but also from the power source.

The ISO35DWR is a low power device that uses two power pins, instead of one, to provide the required power to the two channels. The automatic current balancing between the two power pins is designed to maintain a low power usage. This feature also ensures that the isolation voltage is constant between the two channels.

The ISO35DWR offers an impressive level of protection while providing flexibility and performance. The device features built-in overvoltage protection (OVP) and surge protection (SPP) to protect against sudden power or signal transients. A patented Master/Slave protocol is also provided for improved synchronization between the two channels.

The ISO35DWR is a versatile digital isolator that is well-suited for use in high-speed communication applications. This device provides superior insulation, high-speed data transmission, robust surge and ESD protection, and enhanced synchronization between the two channels. This is the ideal device for industrial and medical applications that require great reliability and flexibility.

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