MAX14936BAWE+T

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Digital Isolators are a type of electronic component designed to transfer electric charge or data,including digital information, between two circuits through an electrically isolating barrier. They provide a physical separation between two circuits, one of which is at a higher operating voltage than the other. The MAX14936BAWE+T is a type of digital isolator that allows bidirectional data transmission over a broad operating temperature range (−40°C to +105°C).The MAX14936BAWE+T is ideal for applications in industrial, automotive, and medical environments, as well as other applications requiring low-cost, high-temperature operation. This chip provides a low-power, low-cost solution for isolated data transmission between two circuits. It has a temperature range of −40°C to 105°C, with a maximum data rate of 125 Mbps. It features digital and analog inputs/outputs, dual-channel data isolation, and high ESD protection.The main application fields of the MAX14936BAWE+T are in factory automation, such as network communication, serial bus systems, and serial ports. It can also be used for data transfer between different reference grounds, for example in an automotive or industrial system. Moreover, in medical systems, this device is suitable for isolated signal transmission, preventing noise and ground loops between circuits. The device is also suitable for replacing multiple discrete components, providing a cost effective solution with small size and minimum power consumption.The working principle of the MAX14936BAWE+T is based on the isolated signaling technique. This technique consists of two parts: the logic circuit and the isolated power supply. The logic circuit is responsible for the data transmission and the isolated power supply provides the electrical isolation between the two circuits.In the logic circuit, the data signal is received by the MAX14936BAWE+T from the sending circuit, then the input signal is converted into two different logic states. This logic state is then sent to the receiving circuit for processing. The logic circuit utilizes an analog direction detection technique which is used to distinguish the two separate logic states. The control signal generated by the MAX14936BAWE+T controls the isolation electronics which prevents any current flow between the two circuits, providing a galvanic isolation. The isolated power supply is responsible for providing the electric isolation between the two circuits. It consists of a transformer, an inductor, a rectifier and an insulation layer. The transformer converts the input voltage into a much lower voltage which is then rectified by the rectifier and provided to the logic circuit. The isolation layer provides the electrical isolation between the two circuits, preventing any current flow.In summary, the MAX14936BAWE+T is a digital isolator suitable for application in a wide range of applications. It provides galvanic isolation between two circuits, allowing for bidirectional data transmission while protecting both circuits from electrical interference. It features a low-cost, low-power solution with a wide operating temperature range. Additionally, this digital isolator can replace multiple discrete components, providing a cost effective solution with minimal power consumption.

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