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ivan1

Prodigy 110 points

Other Parts Discussed in Thread: INA212, INA223, LMP8645, INA219

Dear Mr/Mrs.

I need to measure from 0 to 24VDC and read with an ADC (10 bits / 3,4v ).

I have proved with the INA212 but I need a Shunt resistor of 0,1ohms to measure the range 0 to 24VDC.

What is the best choice? Digital Shunt current monitor or Analog current shunt monitor.

What INA sensor model should I use? INA223, INA219, LMP8645, ...

Best Regards

Ivan M.

over 12 years ago

0 Edward Mullins over 12 years ago

TI__Expert 6930 points

Hi Ivan,

Thank you for the question...it is likely that any of the mentioned products will work in your application. I understand that you plan to use a 0.1Ohm sense resistor and your common mode voltage will range between 0 and 24V. Can you please reply with the minimum and maximum expected current that you want to measure, the accuracy that you require, and the signal bandwidth? Also what power supply voltage do you plan to use to power the device...is the the 3.4V you mentioned? Knowing more about your requirements will help to select the best product for your application.

0 ivan1 over 12 years ago in reply to Edward Mullins

Prodigy 110 points

Hi,

I will send you and email to your personal email because i can't insert images.

0 Edward Mullins over 12 years ago in reply to ivan1

TI__Expert 6930 points

OK, I will review what you sent...

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