Dual LVDS Transmitter - SN65LVDS9638

SN65LVDS9638 (ACTIVE)

Dual LVDS Transmitter

Description

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.

Features

  • 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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Parametrics Compare all products in LVDS PHY (<800Mbps)

 
Function
Input Signal
Output Signal
No. of Rx
No. of Tx
Signaling Rate (Mbps)
Rating
Operating Temperature Range (C)
ESD HBM (kV)
Pin/Package
Approx. Price (US$)
SN65LVDS9638 SN65LVDS34 SN65LVDS9637
Driver     Receiver     Receiver    
LVTTL     CMOS
ECL
LVCMOS
LVDS
LVECL
LVPECL
PECL    
LVDS    
LVDS     LVTTL     LVTTL    
  2     2    
2        
150     400     150    
Catalog     Catalog     Catalog    
-40 to 85     -40 to 85     -40 to 85    
8     15     8    
8MSOP-PowerPAD
8SOIC
8VSSOP    
8SOIC     8MSOP-PowerPAD
8SOIC
8VSSOP    
0.84 | 1ku     0.85 | 1ku     0.84 | 1ku    

Related end equipment

  • Wireless Infrastructure
  • Telecom Infrastructure
  • Printers

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