ADS-946
®
®
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
–150
0
400 800 1.2 1.6 2.0 2.4 2.8 3.2
kHz kHz MHz MHz MHz MHz MHz MHz
Frequency
(fs = 8MHz, fin = 3.85MHz, Vin = –0.5dB, 16,384-point FFT)
3.6
MHz
4.0
MHz
Figure 5. FFT Analysis of ADS-946
+0.81
–0.57
0
Codes
16,384
0
Digital Output Code
16,384
Figure 6. ADS-946 Histogram and Differential Nonlinearity
6