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ADC12D1800: Sampling non RF waveforms.

Dan T
Prodigy 235 points
Part Number: ADC12D1800

Does this ADC perform acceptably when sampling a non RF waveform (so not a sine wave).  I want to sample a signal composed of random high speed "pules".  

  • 0
    TI__Mastermind 44680 points

    Hi Dan

    Yes. The ADC12D1800 family devices work well with non-sinusoidal signals. The key is to maintain the input common mode voltage within the specified range.

    If the pulses are asymmetrical or not 50% duty cycle then you will probably need to use a DC-coupled differential amplifier as the driver. The amplifier output stage will need to be biased at the proper common mode voltage using the ADC Vcmo pin. Table 6-6 in the ADC12D1800 datasheet has a few example differential amplifier choices to fit different needs.

    Best regards,

    Jim B