OPA837: OPA837 use with single negative supply

Hi Robin,

Thank you for finding this bug. I have contacted the modeling team. The power down pin is referenced to Vee, and the actual part should work under this condition.

Best regards,

Sean

Hello Sean, Thank you for a prompt reply. Did you confirm my finding and when might the model may be revised and available?
Kind Regards,
Robin A. Robinson

Hello again Sean,

I just tried simulating the opa837 with a single + supply with the same results.  I am using a TINA sim model with a program other than TINA and suspect a problem there.  I just download the free TINA but cannot open the OPA837 model.  Do you know if that is limitation of the free version, ie can only use included models?

Hi Robin,

I confirmed your finding that the model acts powered down for a single negative supply and informed my modeling contact.

However, my model works fine on my free version for a single positive supply. I downloaded it and went to Insert->Macro in TINA.

Best regards,

Sean

Hi Sean,
Is there a PSpice model for the opa837? I dont see it on line, but there are for many of the other OPA8xx parts.
Thx
Robin

Hi Robin,

It is under the tools and software tab of the OPA837 web page.

Regards,

Hello Jacob,

I only see the model for TINA-TI, not PSpice, and by the way, the TINA-TI file is corrupted, as it does not complete downloading.  Hangs indefinitely at 96%  Any other sources?

Thanks

Robin

No PSpice Model, Only TINA-TI which is corrupted.