SN55LVDS31 - 四路 LVDS 发送器

SN55LVDS31是TI德州仪器公司的一款LVDSPHY(<800Mbps)产品，SN55LVDS31是四路 LVDS 发送器，本站介绍了SN55LVDS31的封装应用图解、特点和优点、功能等，并给出了与SN55LVDS31相关的TI元器件型号供参考。

SN55LVDS31 - 四路 LVDS 发送器 - LVDSPHY(<800Mbps) - LVDS/M-LVDS/ECL/CML - 德州仪器

产品描述

The SN55LVDS31, SN65LVDS31, SN65LVDS3487, and SN65LVDS9638 devices are differential line drivers that implement the electrical characteristics of low-voltage differential signaling (LVDS). This signaling technique lowers the output voltage levels of 5-V differential standard levels (such as TIA/EIA-422B) to reduce the power, increase the switching speeds, and allow operation with a 3.3-V supply rail. Any of the four current-mode drivers will deliver a minimum differential output voltage magnitude of 247 mV into a 100-Ω load when enabled.

The intended application of these devices and signaling technique is both point-to-point and multidrop (one driver and multiple receivers) data transmission over controlled impedance media of approximately 100 Ω. The transmission media may be printed-circuit board traces, backplanes, or cables. The ultimate rate and distance of data transfer is dependent upon the attenuation characteristics of the media and the noise coupling to the environment.

The SN65LVDS31, SN65LVDS3487, and SN65LVDS9638 devices are characterized for operation from –40°C to 85°C. The SN55LVDS31 device is characterized for operation from –55°C to 125°C.

产品特性

Meet or Exceed the Requirements of ANSI TIA/EIA-644 Standard
Low-Voltage Differential Signaling With Typical Output Voltage of 350 mV and 100-Ω Load
Typical Output Voltage Rise and Fall Times of 500 ps (400 Mbps)
Typical Propagation Delay Times of 1.7 ns
Operate From a Single 3.3-V Supply
Power Dissipation 25 mW Typical Per Driver at 200 MHz
Driver at High-Impedance When Disabled or With VCC = 0
Bus-Terminal ESD Protection Exceeds 8 kV
Low-Voltage TTL (LVTTL) Logic Input Levels
Pin Compatible With AM26LS31, MC3487, and µA9638
Cold Sparing for Space and High-Reliability Applications Requiring Redundancy

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