SN75LVDS31DR datasheet by Texas Instruments

SN75LVDS31DR Frequently Asked Questions (FAQs)

• What is the maximum cable length that can be used with the SN75LVDS31DR?
  The maximum cable length depends on the signal frequency, cable quality, and environment. As a general guideline, Texas Instruments recommends a maximum cable length of 10 meters at 655 Mbps. However, it's possible to use longer cables with proper signal conditioning and termination.
• How do I terminate the LVDS outputs of the SN75LVDS31DR?
  The LVDS outputs of the SN75LVDS31DR should be terminated with a 100-ohm differential load to ensure proper signal integrity. A 100-ohm resistor can be connected between the positive and negative outputs of each channel.
• Can I use the SN75LVDS31DR with a 3.3V power supply?
  Yes, the SN75LVDS31DR can operate with a 3.3V power supply. However, the device's output voltage swing will be reduced, which may affect signal integrity. It's recommended to use a 2.5V power supply for optimal performance.
• How do I handle skew between the clock and data signals in the SN75LVDS31DR?
  The SN75LVDS31DR has a built-in deskew function that can compensate for up to 1.5 ns of skew between the clock and data signals. However, if the skew is greater than 1.5 ns, external deskew circuits or signal conditioning may be required.
• Is the SN75LVDS31DR compatible with FPD-Link III?
  Yes, the SN75LVDS31DR is compatible with FPD-Link III, a high-speed digital video interface standard. The device meets the FPD-Link III specification for transmission of high-definition video signals.