Analog to Digital VI

Converts analog waveform to a digital waveform or digital data. You must manually select the polymorphic instance you want to use.


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To create digital data from an analog waveform or to graph an analog signal in a digital waveform graph, you must convert the raw analog data into digital data or the digital waveform data type. Use the Analog to Digital VI to convert the data to digital waveform. Use the Get Waveform Components function to extract the digital data from the digital waveform.

The block diagram below simulates the acquisition of a sine wave with an amplitude of 5, which means the sine wave can contain values that range from –5 to 5. The Analog to Digital VI in this block diagram represents each value with 8 bits. The 8 bits can represent a peak-to-peak value of 10. The probe displays a portion of the resulting values in binary format.