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ADC141S626: What is the full-scale conversion range on pin 3 (IN-) ?

Gene Mirro
Prodigy 160 points
Part Number: ADC141S626

Va = +5V

Vref = +4.096V

IN+ = +2.048V

I think it will convert all voltages on pin 3 from 0V to +4.096V.  Is that right?

  • 0
    TI__Mastermind 24940 points

    Hello,

    This is a differential part. Which means the voltage across IN+ (pin 2) and IN- (pin 3) is the voltage measured and outputted.

    For example, if pin 2 is 2.048 and pin 3 is ground, then the measured output will be 2.048

    But if pin 2 is ground and pin 3 is 2.048, then the measured out put will be -2.04

    Each input pin, pin 2 and pin 3 can support a voltage from 0 to Vref

    Regards

    Cynthia