®
®
ADS-926
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
–150
0
25
50
75 100 125 150 175 200 225 250
Frequency (kHz)
(fs = 500kHz, fin = 240kHz, Vin = –0.5dB, 16,384-point FFT)
Figure 6. ADS-926 FFT Analysis
+0.59
DNL (LSB's)
0
–0.57
0
Digital Output Code
16,384
0
Digital Output Code
16,384
Figure 7. ADS-926 Histogram and Differential Nonlinearity
7