
AD9201
–6–
REV. D
–Typical Characteristic Curves
(AVDD = +3 V, DVDD = +3 V, FS = 20 MHz (50% duty cycle), 2 V input span from –0.5 V to
+1.5 V, 2 V internal reference unless otherwise noted)
CODE OFFSET
1.5
–1.5
0
768
128
INL
256
384
512
640
0
896
1024
–1.0
–0.5
1.0
0.5
Figure 3. Typical INL (1 V Internal Reference)
CODE OFFSET
1
–1.0
0
768
128
DNL
256
384
512
640
0
896
1024
–0.5
0.5
Figure 4. Typical DNL (1 V Internal Reference)
INPUT VOLTAGE – V
1.00
–1.00
–1.0
2.0
–0.5
I B
–
nA
0
0.5
1.0
1.5
0.80
0.20
–0.40
–0.60
–0.80
0.60
0.40
0.00
–0.20
Figure 5. Input Bias Current vs. Input Voltage
INPUT FREQUENCY – Hz
65
60
35
1.00E+05
SNR
–
dB
50
45
40
55
1.00E+06
1.00E+07
1.00E+08
–6dB
–20dB
–0.5dB
Figure 6. SNR vs. Input Frequency
INPUT FREQUENCY – Hz
65
60
35
1.00E+05
SINAD
–
dB
50
45
40
55
1.00E+06
1.00E+07
1.00E+08
–6dB
–20dB
–0.5dB
Figure 7. SINAD vs. Input Frequency
INPUT FREQUENCY – Hz
–50
–55
–80
1.00E+05
THD
–
dB
–65
–70
–75
–60
1.00E+06
1.00E+07
1.00E+08
–45
–35
–40
–30
–6dB
–0.5dB
–20dB
Figure 8. THD vs. Input Frequency