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Question about ADC122S051Q

ryuji asano
Intellectual 800 points

Hi, I'm disty of Japan.
I have question about ADC122S051Q.
I can't understand range of clock frequency.
Data sheet is written as follows.

Clock Frequency 「50kHz～16MHz」 (DataSheet P3)
Clock Frequency 「3.2MHz～8MHz」 (Data Sheet P5)
(*Electrical Characteristics is mentioned "fSCLK=3.2 MHz to 8Mhz".)

Which is correct?
Please help me.

Best regards.

  • 0
    TI__Genius 16890 points
    Hello,

    The 50kHz to 16MHz clock frequency range is an Operating Rating. This means that the part will function but may not meet the specifications. See Note 1 on page 3 of the datasheet.

    The specifications starting on page 4 are only applicable only if the clock frequency range is between 3.2MHz to 8MHz.

    Mike