SN75LVDS9638

ACTIVE

High-speed differential line drivers

SN75LVDS9638

ACTIVE

Product details

Function Driver Protocols LVDS Number of transmitters 2 Number of receivers 0 Signaling rate (Mbps) 155 Input signal LVTTL Output signal LVDS Rating Catalog Operating temperature range (°C) 0 to 70
Function Driver Protocols LVDS Number of transmitters 2 Number of receivers 0 Signaling rate (Mbps) 155 Input signal LVTTL Output signal LVDS Rating Catalog Operating temperature range (°C) 0 to 70
VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm) SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm)
  • Meets or Exceeds the Requirements of ANSI TIA/EIA-644 Standard
  • Low-Voltage Differential Signaling With Typical Output Voltage of 350 mV and a 100- Load
  • Signaling Rates up to 155 Mbps
  • Operates From a Single 3.3-V Supply
  • Driver at High Impedance When Disabled or With VCC = 0
  • Low-Voltage TTL (LVTTL) Logic Input Levels
  • Characterized For Operation From 0°C to 70°C

  • Meets or Exceeds the Requirements of ANSI TIA/EIA-644 Standard
  • Low-Voltage Differential Signaling With Typical Output Voltage of 350 mV and a 100- Load
  • Signaling Rates up to 155 Mbps
  • Operates From a Single 3.3-V Supply
  • Driver at High Impedance When Disabled or With VCC = 0
  • Low-Voltage TTL (LVTTL) Logic Input Levels
  • Characterized For Operation From 0°C to 70°C

The SN75LVDS31 and SN75LVDS9638 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- load when enabled.

The intended application of these devices and signaling technique is for point-to-point baseband data transmission over controlled impedance media of approximately 100 . 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 SN75LVDS31 and SN75LVDS9638 are characterized for operation from 0°C to 70°C.

The SN75LVDS31 and SN75LVDS9638 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- load when enabled.

The intended application of these devices and signaling technique is for point-to-point baseband data transmission over controlled impedance media of approximately 100 . 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 SN75LVDS31 and SN75LVDS9638 are characterized for operation from 0°C to 70°C.

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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet High-Speed Differential Line Drivers datasheet (Rev. C) Jun 22, 2001
Application brief LVDS to Improve EMC in Motor Drives Sep 27, 2018
Application brief How Far, How Fast Can You Operate LVDS Drivers and Receivers? Aug 3, 2018
Application brief How to Terminate LVDS Connections with DC and AC Coupling May 16, 2018
Application note An Overview of LVDS Technology Oct 5, 1998

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Simulation model

SN65LVDS9638 IBIS Model (Rev. A)

SLLC019 (24 KB) - IBIS model
Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
VSSOP (DGK) 8 Ultra Librarian
SOIC (D) 8 Ultra Librarian

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