Because of the Thanksgiving holiday in the U.S., TI E2E™ design support forum responses may be delayed from November 25 through December 2. Thank you for your patience.

  • State TI Thinks Resolved
  • Locked Locked
  • Replies 1 reply
  • Answers 1 answer
  • Subscribers 32 subscribers
  • Views 278 views
  • Users 0 members are here
Support feedback
Options
Options
Similar topics

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

DS90LV011A: High speed LVDS interface query

PRAHLAD Supeda
Expert 5325 points
Part Number: DS90LV011A

Kindly help with more details related to DS90LV011A.

  • Maximum loads can be connected to (Multidrop)
  • Maximum distance supported
  • Maximum Speed which can be supported with Max Load , Max Distance.

Have looped in customer for direct response / adding further details.

  • 0
    TI__Mastermind 43795 points

    Hi Prahlad,

    This question has too many variables to answer properly.

    It is generally possible to make a few (3-5) loads work at 100 Mbps

    Beyond 5-6 loads, the speed goes down as the number of loads goes up.

    The DS90LV011A is not specifically designed for a multi-drop load network.  The MLVDS devices will work better in this situation.  They can supply a higher current to the load which allows a termination at each end of the network.

    The other critical variable is the stub length to each load.  As stub length increases beyond 0.5 inches, there will be a reduction in the maximum possible datarate.

    There are IBIS models of LVDS and MLVDS devices available, it is a good idea to simulate this type of topology before building hardware.

    Regards,

    Lee