Part Number: INA333 Hi,
I'm using INAEVM-MSOP8 to test INA333 with below configuration. V+=2.5V, V- = -2.5V. REF=0V, RG=1K, which sets GAIN=100.
Although IN- is not connected to GND, but I measured the common mode voltage is only 0.6mV.
IN+ -IN-, …
Part Number: INA333
Hi,
I'm using INAEVM-MSOP8 to test INA333 with below configuration. V+=3.3V, V- = 0V. REF=0.3V(not to GND shown in the picture), IN- to GND is 1.65V(add a 1.65V reference from IN- to GND), RG=536ohm, which sets GAIN=187.
when…
Hi Manoj,
I did not find specific TC EVM, but we have universal instrumentation Op Amp EVB, which it will make your design slightly easier.
https://www.ti.com/tool/INAEVM-SO8#technicaldocuments
https://www.ti.com/lit/ug/sbou122b/sbou122b.pdf?ts=1594657231310&ref_url…
Hi Ian,
Thank you for suggestion on VCVS1. It makes sense.
I was wondering if its possible to do a bench measurement of the CMRR with a function generator and oscilloscope. Where can I find guidelines to do so ?
I also have the INAEVM-MSOP8 evaluation…
Donny
We do have an EVM that should work with this part. You can order it here:
www.ti.com/.../inaevm-msop8
The INA317 is relatively new and doesn't have spice models or reference designs done yet, however the INA333 is very similar in function and you…
Hello Carlos,
Here are some questions/observations for you:
1) What are the supply voltage(s)?
2) Please make sure that you are measuring the input voltage, reference voltage, and output and the physical pins of the device. By this I mean that you…
