®
®
ADS-943
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
–150
0
150 300 450 600 750 900 1.05 1.20 1.35
kHz kHz kHz kHz kHz kHz MHz MHz MHz
Frequency
(fs = 3MHz, fin = 1.485MHz, Vin = –0.5dB, 16,384-point FFT)
1.5
MHz
Figure 6. FFT Analysis of ADS-943
+0.60
DNL (LSB's)
0.00
–0.58
0
Digital Output Code
16,384
0
Digital Output Code
16,384
Figure 7. ADS-943 Histogram and Differential Nonlinearity
7