• State Resolved
  • Locked Locked
  • Replies 5 replies
  • Subscribers 16 subscribers
  • Views 378 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.

TMUX6119: PSpice model

Venkatesh P17
Intellectual 895 points
Part Number: TMUX6119

Hi TI Team,

Where can I find Pspice model for this device? I found ibis model but how can I import this into TINA? Please help me regarding this.

Please share if there is any equivalent Pspice model is available to this device

Thanks and Regards,

  • 0
    TI__Mastermind 45340 points

    Venkatesh,

    If there was a PSPICE or TINA model available you would have found it the same place as the IBIS model.  Since we don't have a model available maybe I can help answer questions about the device behavior.  What are you trying to connect to the switch and what are you trying to model?

    Thank you,

    Adam

  • 0 in reply to Adam Torma
    Intellectual 895 points

    Hi Adam,

    We are using this between our instrumentation amplifier input, there are two signals and it should connected to the INA as per the host command. I just searched the spice model for the switching characteristics comparison with datasheet in terms of timing and is there any glitch formed while switching. 

    Thanks for the reply. If there is any equivalent model, please share to me.

    Regards,

  • 0 in reply to Venkatesh P17
    TI__Mastermind 45340 points

    Venkatesh,

    I'm not sure what you mean by glitch during switching but this device has break before make feature which ensures that the common signal path is high impedance for a minimum duration before it connects to the other channel.

    Maybe you are asking about the charge injection causing a glitch during switching?  You can see this value specified in the datasheet as well.  You can see more information on charge injection in this precision lab video.

    Thank you,

    Adam

     

  • 0 in reply to Adam Torma
    Intellectual 895 points

    Thanks Adam,

    Yeah, I saw the details in datasheet, but I thought to simulate it with my design, that is why I asked the spice model.

    Thanks,

  • 0 in reply to Venkatesh P17
    TI__Mastermind 45340 points

    Venkatesh,

    Even with the switches that we have SPICE models and TINA models for we don't have current injection modeled.

    Thank you,

    Adam