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[ADS41B29] how to use single input pin??

siwon kim
Prodigy 100 points
Other Parts Discussed in Thread: ADS41B29

Hi I m now designing ADS41B29 circuit 

The IC have pair input pin but I want to use single input pin 

is it possible ?--

INP is signal input , 

INM is GND or 1.5V

  • 0
    TI__Genius 17290 points

    Hi Siwon,

    We do not recommend using a single-ended input. The unbalanced signal will degrades performance because of the small range of allowable input common-mode voltage.

    For signals that do not have content at DC, we suggest using a transformer to convert from single-ended to differential (see EVM schematics). If you need to pass DC signals, then a differential amplifier is required.

    Regards,
    Matt Guibord