OPA2836: opa2836 noise simulation model

Shriram Devi

Part Number: OPA2836
Other Parts Discussed in Thread: OPA2837, , OPA836

Hi,

Could you please check if there is any issue with TINA model of this part or way I am simulating? The model seems to give 100x higher noise than the opamp noise as per datasheet. Below is plot noise output when opamp is in unity gain

over 3 years ago

0 Michael Steffes over 3 years ago

Guru 47535 points

Your file did not come through, use the paperclip symbol to insert files and look at the OPA2837

0 Hasan Babiker31 over 3 years ago

TI__Genius 15555 points

Hello Shriram,

Yes, there definitely seems to be a noise issue here at higher frequencies. There is a newer version of the OPA836 Pspice model (Rev B) but this doesn't seem to have been added on to the OPA2836 product page. I would suggest using that model for simulations. I've ported this newer model into TINA in the attached file below:

OPA836_RevB.TSC

Best,

Hasan Babiker

Amplifiers

Amplifiers forum

OPA2836: opa2836 noise simulation model