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Using ADS1244, clk and sclk

Other Parts Discussed in Thread: ADS1244

Hi,

I'm using the ADS1244 with a PIC, and it looks like I might not be able to generate a clock from my pic, and the ads1244 needs a clk output.  In this case, can the ads1244's clk and sclk be at the same speed?

  • Hi Hj,

    It appears that the only restriction is the SCLK period is restricted to a minimum of 200ns (100ns high +100ns low).  So your SCLK must be less than or equal to a max of 5MHz.

    The CLK input on the ADS1244 must be free running.

    Best regards,

    Bob B