SN65ELT20DGK

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SN65ELT20DGK transceivers are an important type of logic translator, level shifter, and differential-line driver integrated circuits. It is an important component in that it can do a variety of tasks such as translating digital signals between various different logic families, and providing a means for level shifting a signal from one logic family to another. The SN65ELT20DGK transceiver can also be used to send and receive differential line signals over long distances. This article looks at the application fields and working principles of the SN65ELT20DGK.

Application Field for SN65ELT20DGK Transceivers

SN65ELT20DGK transceivers are primarily used in applications such as automotive systems, industrial automation, medical equipment, and aerospace. These systems need to perform logic translation, level shifting, and communication of digital signals over long distances.

Logic Translator

The SN65ELT20DGK transceiver can be used as a logic translator, which supports various different logic families, including TTL and ECL. This allows the device to transmit digital signals between various logic families, thereby allowing the user to communicate between different logic families.

Level Shifter

The SN65ELT20DGK transceiver can also be used as a level shifter, which can shift the voltage levels of the digital signals between various logic families. This is useful in applications where signals need to be shifted between different logic families, for example from TTL to ECL.

Differential Line Driver

Finally, the SN65ELT20DGK transceiver can be used as a differential line driver, which can drive differential line signals over long distances. This is useful in applications such as automotive, industrial, aerospace and medical applications where data needs to be transmitted reliably over long distances.

Working Principle

The SN65ELT20DGK transceiver is based on the Transistor-Transistor Logic (TTL) family and is designed for electrical performance that meets the requirements of the High Definition Multimedia Interface (HDMI) standard. The device is designed to provide high-speed data transmission over long distances by using differential signaling techniques. The device uses an open-drain output stage to provide both an output signal and a monitoring current. The transmitted differential signal is then detected at the receiver using a differential receiver.

The SN65ELT20DGK also incorporates a feedback current to ensure that the output voltage of the device does not exceed the limits specified in the HDMI standard. This is necessary to ensure that the transmitted signal remains within the specified limits and is not affected by external electrical noise or interference. Finally, the device also includes a current-sensitive circuit which limits the output current of the device. This is useful in applications where the supply voltage is not very stable and may fluctuate significantly.

The SN65ELT20DGK transceiver is necessary in various applications due to its ability to perform various tasks such as logic translation, level shifting, and driving long-distance differential line signals. It provides reliable performance and is suitable for use in automotive, industrial, aerospace and medical applications.

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