SI8441AB-D-IS1R

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Digital Isolators are increasingly becoming a necessity for any application that requires safe signal communication. As a new type of optoelectronic isolator, SI8441AB-D-IS1R is a highly reliable and efficient type of digital isolator, especially well-suited for high speed communication, low latency operation, and critical industrial or automation applications. As a high performance product of Silicon Labs, SI8441AB-D-IS1R provides maximum 1000V rms digital isolation which can address diverse industrial communication interfaces. It also provides superior transient immunity with advanced ESD protection. SI8441AB-D-IS1R is a highly integrated optoelectronic isolator with two channels, each operates at 120Mbps.

The isolation distance of SI8441AB-D-IS1R is guaranteed to be up to 1000VRMS, which can efficiently prevent output errors caused by EMI/RFI interference, hazardous ground loops or accidental transients. It also comes with an onboard 1.25 to 30VDC power supply, very easy to be integrated in any system. Moreover, it is 5mmx5mm QFN–16 package size, convenient to be used on any device.

The normal operating temperature of SI8441AB-D-IS1R is - 40 to +100℃, and its storage temperature is up to - 55 to +125℃.Furthermore, given its extremely low power consumption and low voltage operation, SI8441AB-D-IS1R is one of the most reliable and efficient digital isolator available.

To further understand its working principle, we have to understand the customer needs. SI8441AB-D-IS1R is especially designed for industrial-grade applications, such as optical communication, medical equipment, etc. It works based on the integrated circuit with advanced optical isolation technology. It has the capability to transmit digital signal without any degradation, enabling it to be successfully applied in reliable and high precision precision system. The two channels of SI8441AB-D-IS1R are connected by an optical isolator, and the optical isolator is driven by a photo-emitting transistor at the sending end and a photo-detecting transistor at the receiving end. The transmitted digital signals are extremely reliable, with ultra-low latency.

In addition, SI8441AB-D-IS1R has several other great features which make it the ideal choice for industry-grade application. For example, it can support a wide voltage operating range of 1.25 to 30 VDC, and has a two-channel response time of less than 1ns. Moreover, it provides benefits from ultra-low power consumption,which can be as low as 25 μA.

To sum up, considering the features of SI8441AB-D-IS1R, it is suitable for telecommunications, machine automation, medical, instrumentation, optical data transmission and other types of digital isolator applications. It is especially well-suited for applications which require maximum digital isolation and high protection against external electric disturbances.

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