Request for IBIS Models for Simulation

Hi Suraj02 ,

 MStokowski can help out here.

Regards

Gelo

Hi Geloism16 Geloism16,

Thank you for your response.

Hi MStokowski ,

I would appreciate your assistance in providing the IBIS models for the mentioned part numbers, as they are required for simulation purposes.

Alternatively, if these models are not available, I would be grateful if you could suggest equivalent or similar components for which IBIS models are currently accessible.

Thank you in advance for your support.

Best regards,
Suraj

Hi Suraj02 , Geloism16 ,

Sorry for any confusion. I work for the LTspice team. LTspice does not support IBIS models.

My name is only assigned to this thread because of the word "model", as in the case of LTspice model.

mike

Hi, Geloism16 , MStokowski  

Is there any other way from which I can obtain the IBIS model, or could you suggest any similar/alternate part to the products I've used that has the IBIS model available.

I would really appreciate any guidance on this.

Best regards,
Suraj

Hi MStokowski ,

Understood, thank you!

Hi Suraj02 ,

I will reach out to our IBIS team regarding this. Please expect a delay as our region is still on holiday.

Regards,

Gelo

Hi Suraj02 ,

Pure analog parts like the ADA4637 generally do not have IBIS model since they don't have any digital pin. We usually only have LTSpice models for op-amps.

Thanks,

Gio

Hi Suraj02 ,

I can evaluate a model request for the MAX4564 if you can share the urgency, whether this supports an active design or business opportunity, and confirm the model is for simulation use. Access to the relevant schematic would also help.

Best regards,
Gelo

Hi, Geloism16 
Actually I'm in the need of the models of all the components mentioned above, it would be a great help if you can provided with any of the IBIS models for the mentioned parts.

Yes the parts mentioned supports an active design and yes the model is for simulation use.
The project is an avionics field project and application is structural health monitoring system of the aircraft.

Hi Suraj, 

I emailed you regarding the necessary details needed to prioritize the MAX4564 IBIS model request

Regards, 

Hi GioBalgemino , Suraj02 , Geloism16  ,

GioBalgemino said:

We usually only have LTSpice models for op-amps.

Not true. LTspice ships with thousands of models, and exists in a SPICE universe of 10s of thousands of models, where op amps account for only a small percentage of the devices. For instance, one of LTspice's super-powers is the ability to simulate difficult-to-model non-linear systems, such as switching regulators. LTspice also models digital devices, such as DACs and ADCs.

GioBalgemino said:

Pure analog parts like the ADA4637 generally do not have IBIS model since they don't have any digital pin.

That part is true. IBIS was originally developed to present the actions of a digital device as analog pin behavior, eliminating the need to actually simulate the internal workings of a digital device or obfuscate it, i.e. the transistor-level behavior. LTspice is quite good at doing the latter, essentially modeling the behavior of the internal components, and let that drive the pin behavior. But, focusing on the internal workings of a complex digital device might not appropriate for a device with foo-illions of transistors. Maybe this article can help:

https://www.analog.com/en/resources/analog-dialogue/articles/ibis-modeling-part-1-why-ibis-modeling-is-critical-to-the-success-of-your-design.html

mike