ADM3312EACPZ-REEL7

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The ADM3312EACPZ-REEL7 is a device that provides a communication interface between two circuits with different electrical properties. It is part of the family of Interface - Drivers, Receivers, Transceivers, and is typically used in applications that require galvanic isolation between the two circuits. The ADM3312EACPZ-REEL7 is a dual-channel device, with one channel designed for full-duplex transmission and one for half-duplex operation.

Application Field

The ADM3312EACPZ-REEL7 is ideal for digital and industrial automation applications, particularly those that require galvanic isolation between the two circuits. It is also suitable for applications in computers and office equipment, broadcasting, and telecommunications. Examples of use case scenarios include:

• Protecting data and signal integrity of differential I/O communication links between sensors, buses, and signals in factory, building, and automotive systems
• Isolation and protection for differential data and signal lines for inter-system communication in industrial applications, computer equipments, manufacturing, transportation systems, and broadcast systems
• Galvanic isolation for differential data and signal lines in medical and test equipment, communications and measurement systems

Working Principle

The ADM3312EACPZ-REEL7 is a single-package, dual-channel device with one channel designed for full-duplex operation, and one channel designed for half-duplex operation. The device consists of an input stage, a transmit stage, and a receiver stage, as well as a galvanically isolated DC-to-DC converter and a protected status circuit. The input stage is responsible for the conversion of the electrical signal from the source to the logic level compatible with the device. It works by detecting the input signal and providing a logic level compatible output signal.

The transmit stage is responsible for the transmission of the data signal to the destination circuit. It works by converting the logic level data signal from the input stage into a transmit waveform waveform. This waveform is then transmitted to the destination circuit via a galvanically isolated connection.

The receiver stage is responsible for the conversion of the waveform from the destination circuit into a logic level compatible with the device. It works by detecting the waveform from the destination circuit and providing a logic level compatible output signal.

The DC-to-DC converter provides a regulated DC power supply for the device. It works by converting an external voltage source into a regulated DC voltage level. This regulated DC voltage level is then used to power the device.

Finally, the protected status circuit is responsible for the protection of the device from over voltage, over current, and short circuit conditions. It works by monitoring the output signal and detecting any of the conditions mentioned above. When one of these conditions is detected, it can shut down the device, preventing further damage.

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