16-Bit, 250 kSPS, 8-Channel, Isolated Data Acquisition System

System Performance Figure 4 shows a plot of the ADC code occurrences for 10, 000 samples (1 sec at 1 kSPS) when CH0 through CH7 are shorted to GND on the terminal block of the evaluation board. Note that 95% of the codes fall within 4 LSBs, and the peak-to-peak spread is approximately 7 LSBs. The sampling rate 250 kSPS is controlled by the system demonstration platform ( EVAL-SDP-CB1Z ), and the digital signal processing including the signal windowing and FFT is calculated on a PC by the CN-0254 evaluation software. . .

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