ISL32705EIBZ

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The ISL32705EIBZ is a high-performance rail-to-rail optocoupler that works through an integrated Faraday shield for vastly improved DC to DC performance. Designed for applications requiring protection against line-to-line or line-to-ground transients and surges, the ISL32705EIBZ offers superior isolation, high-speed response, and improved immunity.

The ISL32705EIBZ can be used for a variety of interface designs, including input/output drivers, receivers and transceivers, especially when it is required to provide isolation between two pieces of equipment. This device has a high-temperature range that can operate within a wide -40°C to +125°C temperature range.

Application Field

The ISL32705EIBZ is mainly used in industrial applications, in communication systems and other instrumentation. It is suitable for high-speed serial data communications, including RS-232, RS-485 and CAN bus, requiring up to 8 Mbps data rate. The optocoupler provides isolation between each data line and ground and encapsulates the device in a tiny 8-pin package.

It can also be used in a variety of commercial and consumer applications such as computer peripherals, home automation systems and measurement equipment. Moreover, this device can be also employed in medical devices.

Working Principle

The device consists of a small LED and an integrated photo detector on top of a Silicon chip, all encapsulated in a single package and separated by a Faraday shield. The LED is used to transfer data between two channel and the photo detector at the other end is designed to receive the data. Data transmission is possible due to the optical isolation between the two channels.

The ISL32705EIBZ provides a guaranteed minimum optical isolation of 1000V rms or 1.5kV peak between input and output, ensuring high reliability and accuracy in data transmission. Additionally, it is also designed to provide protection from high ESD, EMI and RFI.

The device is designed for flexible current drive operation and consumes very low power, which makes it ideal for automated test equipment, communication systems and motion control applications. This feature renders the device an attractive choice for developers who require reliable and efficient isolation of data and power.

The ISL32705EIBZ provides a reliable solution to guarantee high-speed serial data transmission, improving the signal transfer and ensuring high accuracy, robustness and reliability. Moreover, due to its excellent isolation, ESD protection and wide temperature range, the device can be used in a variety of demanding applications.

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