SY55855VKG

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The SY55855VKG is a logic-level translator and level-shifting device that offers superior level-shifting and voltage-level translation performance between voltage-level translation options. Specifically, the Part Number SY55855VKG enables a rail-to-rail translation between two power rails of different voltage levels. The device has been designed to have superior noise-immunity characteristics as well as low-power operation. For use in a variety of applications including but not limited to microprocessor or microcontroller-based systems, automotive, industrial, and telecommunications.

The SY55855VKG utilizes bidirectional level shifting between 5V and 3V, allowing users to expand the application flexibility of their designs. The built-in low power-consumption circuitry enables the device to have a wide operating range of 3.3V to 5V. The device also features an integrated enable function as well as open-drain enable/disable output with busy indicator, allowing users to further optimize the device for their specific requirements. The input and output gains are matched to within 0.5V to enable the level shifting circuitry to be easily and effectively implemented.

The SY55855VKG is comprised of a two-stage voltage-level shifter and a current amplifier. The two-stage voltage-level shifter is used to translate the logic-level inputs from one rail to the other. The current amplifier amplifies the logic-level signals and the results of the voltage-level shift from one rail to the other. The level shifter stages are designed to be very noise-tolerant, allowing high levels of immunity to EMI and other interference. The current amplifier uses a wide voltage range and is also designed to provide superior noise-immunity characteristics.

The SY55855VKG is designed for applications such as multi-rail communications, low-voltage signal transfer, motor control and automotive applications. For example, in automotive applications, the device can be used to provide noise-immune level shifting between the ECU (Engine Control Unit) and the CAN bus, allowing for a more robust and reliable communications link. In addition, the SY55855VKG can be used in multi-rail communication applications such as between two RS232 interfaces that use different reference voltages, with both interfaces connected to a common ground plane.

The SY55855VKG enables an efficient and reliable level-shifting and voltage-level translation of logic-level analog signals between different voltage-levels, making it a viable solution for applications that require noise-immune translations of logic-level signals. The wide voltage range, low-power operation, and noise-immunity characteristics make it suitable for many applications within the automotive, industrial, and telecommunications industry.

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