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Do ADS1118 input go high impedance?

Andrew Chin
Prodigy 220 points

Other Parts Discussed in Thread: ADS1118

Do the ADS1118 inputs/outputs go high impedance when the select line is enabled?

  • 0
    TI__Intellectual 1610 points

    Hello Andrew,


    Thank you for your query. The chip select (CS) pin  is active low.

    DIN, SCLK, DRDY and all the analog inputs are not affected by chip select (CS) pin functionality.

    When CS pin goes high, only the DOUT/DRDY pin enters the high-impedance state. 

    When the CS pin is low, the DOUT/DRDY pin is set as an output pin. 

    Thanks,

    Krunal