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ADS8166: information about DIGITAL INPUT/OUTPUT

Noriyuki Takahashi
Genius 9345 points
Part Number: ADS8166
Other Parts Discussed in Thread: ADS8688A, ADS7066

Hi team,

Could you tell information about DIGITAL INPUT/OUTPUT of ADS8166?

The picture below is the example of ADS8688A.

Regards,

Noriyuki Takahashi

  • +1
    TI__Guru 57766 points

    Hello Takahashi-san,

    Thank you for your post.

    It is strange to see this information missing from our data sheets. For DVDD > 2.1 V, I would suggest following the same I/O guidelines as ADS8688A and other similar devices (i.e. ADS7066). This means that digital inputs should be within 30%/70% of DVDD for low and high values, while digital outputs should be expected to be within 20%/80% of DVDD for low and high values.

    Regards,

    Ryan