ADM3252EABCZ

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Digital Isolators

The ADM3252EABCZ is the newest digital isolator to enter the market. It is a two-channel digital isolator that provides multiple levels of isolation, allowing for enhanced accuracy and reliability. This product is ideal for applications in industrial, medical, automotive, and other high-end designs where precision and wide operating temperature range are essential.

The digital isolator is based on the well-known BiCMOS process and is available in a standard or industrial (-40°C to 85°C) commercial temperature range. It is also available in multiple packages, including 1.27 mm SOIC-8, 10-pin MLP, and 8-pin TSSOP. The device also features high isolation voltage of 6.9 kV RMS and a high common mode rejection ratio of 80 dB.

ADM3252EABCZ is also extremely flexible and can support various protocols such as I2C, SPI, UART, and CAN. The isolator is designed to provide protection for RS-485 communication circuits or systems that use multiple serial buses interconnected in a complex architecture.

The ADM3252EABCZ allows the user to easily adjust the signal levels, providing improved signal performance and immunity to high ambient electromagnetic radiation. The device also supports wake-up functions and offers excellent jitter performance over its wide temperature range. Additionally, the isolator features low propagation delay and attains very low power consumption.

This particular digital isolator employs an opto-coupler to isolate signals. An opto-coupler consists of an LED light source and a photosensitive surface, separated by an air gap. When the LED’s light is turned on, it activates the photosensitive surface which produces a small electrical current. This in turn is transferred to the output and provides the necessary isolation.

The basic idea behind using a digital isolator is to protect the system from spurious signals generated in the isolated environment due to electrical noise during digital communication. Digital isolators are also widely used in applications where high noise levels are present, such as automotive systems and industrial power control.

In summary, the ADM3252EABCZ digital isolator offers excellent protection, flexibility, and performance in industrial, medical, automotive, and other demanding applications. It utilizes an opto-coupler and is capable of multiple levels of isolation, ensuring accuracy and reliability. The device also features high isolation voltage, excellent jitter performance, high common mode rejection ratio, and low power consumption.

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