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ADS8365: External clock required or not?

user4075372
Prodigy 10 points
Other Parts Discussed in Thread: ADS8365

Hi all,

Reading the PDF datasheet of the ADS8365, I find an inconsistency that I cannot solve.

On p.10, I can read:

"An external CMOS compatible clock can be applied to the CLK input to synchronize the conversion process to an external source"

then p.19 , I read: 

"An external clock has to be provided for the ADS8365."

So my questions: is an external clock required of not? In case it is not, what are the implications of the conversion not being synchronized to an external source?

Thanks in advance.

Jean-Noël

  • 0
    TI__Mastermind 39545 points

    Hello Jean,

    An external clock is required, ADS8365 uses this external clock (CLK, pin 28) to control the conversion rate of the internal CDAC, ADC's acquisition and conversion take a total of 20 clock cycles. Thanks.

    Best regards

    Dale Li