SN65LVP19DRFRG4

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The SN65LVP19DRFRG4 is a signal buffer, repeater or splitter, part of the Interface family of products. It is a high-speed, fully differential voltage buffer integrated circuit for signal transmission applications. This device provides level shifting, isolating, low-voltage driving, fan-out, and full-power split to achieve Voltage Level Transfer of digital signals around system and board circuitry.

Application Field

The SN65LVP19DRFRG4 is designed as an interface product and is used in a wide range of applications from data communication, consumer electronics to automotive designs. This device provides 4-Channel LVDS (Low Voltage Differential Signaling) transmission and reception, making the most out of transmission of signals over long distance. Therefore, it is an ideal choice for engineers and designers looking to build robust and reliable systems like in industrial automation, automotive, multi-gigabit communication, and video displays.

Working Principle

The SN65LVP19DRFRG4 contains 4 independent differential transmitters and receivers on the same package with pushed-out-air terminated inputs and open-drain outputs. The transmitted signal divide power into four equal parts and the four receivers equalize each voltage swing at the end of transmission. The device is designed to operate with a voltage level range of +/- 8V to 12V, making it suitable for connecting the LVDS interfaces of digital receivers and transmitters.

In operation, the SN65LVP19DRFRG4 senses the differential input signal and its input equalization circuit drives the high speed devices. This more efficient power system provides an effective data transfer rate up to 14.5 Gbps per channel. The device is further synchronized by the low-skew LVDS clock for proper transmission at the end of long lines, and the reference voltage is further optimized for the precise control of the output voltage.

The SN65LVP19DRFRG4 also includes 4 open-drain outputs that enable the continuous flow of DC power from the four receivers to the logic gate, LVDS transmitter, or other LVDS I/O on the board or system. This device also includes protection against noise, speeding race-conditions, clock distortion, open circuits, and other disturbances that could damage the system performance.

Conclusion

The SN65LVP19DRFRG4 is an ideal device for high-speed, fully differential voltage buffering and signal transmission applications in digital systems. Its high data transmission rate, along with the robust protection features throughout the system, make it a feasible solution for designers and engineers who require a reliable and effective interface between their devices.

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