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Original question:

ADS1293: ADC Sampling in Test Mode

How to using test mode

Vinsensia Elzanora Simbolon
Prodigy 50 points
Other Parts Discussed in Thread: ADS1293

Hi! I'm vinsensia, I want to ask about the ads1293 test mode. If I want to use test mode what do I need to set? I've read in the datasheet but I don't understand what path I should follow.
And to use this test mode do I need to connect the electrodes to the ECG simulator again? Thank you for the help.

  • 0
    TI__Mastermind 19815 points

    Hi,

    Highly appreciate for using TI's products.

    This ticket has been received/viewed, and I will get back to you between 3~5 days.

    According to "ADS1293" datasheet -
    To enter/enable Test Mode, battery voltage monitoring function needs to be disabled and bit TSTx set to = 01

    ADC_MAX represents the maximum output code of the ADC, is dependent on the configuration of the digital filters, and the
    corresponding ADC_MAX values are listed in Table 8 through Table 11.

    You will need to do some algebra(move numbers around both sides of the equal sign) to obtain the differential inputs voltage, i.e. (V_INP - V_INM).

    May I ask some more questions to collect more detail info?

    Do you happen to get an eval kit/board?

    Appreciate.

  • 0 in reply to ChienChun Yang
    Prodigy 50 points

    Thankyou sir, i will try and i don't have eval kit/board. i only use ads1293 CJMCU

  • 0 in reply to Vinsensia Elzanora Simbolon
    TI__Mastermind 19815 points

    Hi,

    I would like to suggest you reach out to the ads1293 CJMCU vendor for more support.

    Or, Please try the ads1293 eval board/kit.

    Thanks,

    Chien