The misbehavior of the spice model of ADG721.cir

Hi Jo,

Apologies for the delayed response. I'm moving this thread to the Switches and Multiplexers Community which caters your application.

I'm looking into this now. In the meantime, may I know what simulator are you using? Also, can you share your circuit file so I can better have a look at it?

Thanks,

May

Hi Jo,

I'm glad that you have found the ADG442 to better cater your quad input aplication.

To verify your observations, I did try to check the model and had a quick simulation. I can confirm you are correct and thank you for bringing this to our attention. I will update both ADG721 and ADG722 spice models for correction.

Let me know if there are other concerns.

Best Regards,

May

Hi Jo,

Yes, we are currently doing this and will be implementing soon. Please expect to see these models in LTSpice library available in the next few weeks or months.

Best Regards,

May

Thank you for response.

We are using LTspice. We wrapped up subcircuits of ADG721 series by LTspice

feature.

Meanwhile, we droped ADG721due to unclear behavior and our new requirement

of quad inputs.

Now we are using ADG442B... It works well.

I am not allowed to share the files.

Besides circuit files, we can point out the following:

From the datasheet and the cir files, it is obvious that ADG721 and ADG722

should be exchanged.

Best regards,

jo

On Wed, Jun 20, 2018 at 9:56 AM, mayp <

Thank you for confirmation.

If I may ask one more thing, please consider providing those spice models

(many other ADG series) in the common library of  LTspice, which is of your

subsidery.

Bests,

jo

On Wed, Jun 20, 2018 at 11:00 AM, mayp <