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Logic - Signal Switches, Multiplexers, Decoders

SN65LVDS250DBTR is an over-volt protection LVDS buffer with 3.3V single power. It supports bidirectional data transmission over balanced transmission lines in differential mode, with a transmitting rate of up to 250Mbps, and a transmitting distance of up to 100m.It is widely used in Ethernet, serial video and other high-throughput applications.

Application Field

SN65LVDS250DBTR is a wide voltage input transceiver with a total current consumption of 960mA. It supports differential or single-ended signaling mode, and can be used in high-speed designs such as graphics, video, communications and multimedia. It is used with an MCU or other device to convert the signal from single-ended to balanced format. Differential signaling has the advantage of reducing common mode shift and noise, eliminating Ground Bounce EMI, and reducing system power consumption and EMI.

SN65LVDS250DBTR can meet the needs of most communication standards and other high-speed protocols. It is suitable for applications such as Ethernet, ISP, audio and video interface, LED display interface, USB, TERPS and Serial ATA. Moreover, its small size makes it easier to integrate into high-speed applications.

Working Principle

SN65LVDS250DBTR is a low-power, high-speed, bidirectional differential line driver. The LVDS signal format of SN65LVDS250DBTR is based on a balanced transmission line. It has two lines, each of which is driven at the same bit rate, but in opposite directions. The line signals move in opposite directions, forming a differential signal, which has the advantages of anti-interference and long-distance transmission.

SN65LVDS250DBTR supports RS422 and RS485 compatible voltage levels. When used in RS422 mode, the signal levels are high when the data is transmitted between 0 and 3V, while in RS485 mode, the signal levels are high when the data is transmitted between -5V and 5V, which can reduce signal crosstalk.

SN65LVDS250DBTR uses optimally matched impedance networks, which have a characteristic rise/fall time consistency, signal integrity and transmission speed to meet the requirements of high-speed signal sectioning and signal buffering applications. In addition, SN65LVDS250DBTR also has ESD protection, over-voltage and over temperature protection, reducing system design difficulty.

Conclusion

SN65LVDS250DBTR is a bidirectional LVDS buffer with 3.3V single power, which can support data transmission up to 250Mbps over a long distance of 100m, and has the advantages of anti-interference and long-distance transmission. It supports RS422 and RS485 compatible voltage levels, and provides protection for over-voltage, over temperature and ESD, making it an ideal choice for high-speed applications such as graphics, video, communications and multimedia.

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