Datasheet

AD9240
REV.
–7–
Other Characterization Curves/Plots
(AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, f
SAMPLE
= 10 MSPS, R
BIAS
= 2 k⍀,
T
A
= +25ⴗC, Single-Ended Input)
CODE
INL – LSB
3.0
–0.5
–2.0
0 16863
2.5
0.0
–1.0
–1.5
2.0
1.0
1.5
0.5
–2.5
–3.0
Figure 11. Typical INL
(Input Span = 5 V)
INPUT FREQUENCY – MHz
90
85
40
0.1 1 20
10
55
45
50
65
60
80
70
75
SINAD – dB
–0.5dBFS
–6.0dBFS
–20.0dBFS
Figure 14. SINAD vs. Input Frequency
(Input Span = 2 V, V
CM
= 2.5 V)
INPUT FREQUENCY – MHz
90
85
0.1 1 20
10
55
50
65
60
80
70
75
SINAD – dB
–0.5dBFS
–6.0dBFS
–20.0dBFS
Figure 17. SINAD vs. Input Frequency
(Input Span = 5 V, V
CM
= 2.5 V)
CODE
DNL – LSB
1.0
–0.4
–1.0
0 16383
0.8
–0.2
–0.6
–0.8
0.6
0.2
0.4
0.0
Figure 12. Typical DNL
(Input Span = 5 V)
INPUT FREQUENCY – MHz
–40
–100
0.1 1 20
10
–90
–80
–70
–50
–60
THD – dB
–0.5dBFS
–6.0dBFS
–20.0dBFS
Figure 15. THD vs. Input Frequency
(Input Span = 2 V, V
CM
= 2.5 V)
INPUT FREQUENCY – MHz
–40
–100
0.1 1 20
10
–90
–80
–70
–50
–60
THD – dB
–0.5dBFS
–6.0dBFS
–20dBFS
Figure 18. THD vs. Input Frequency
(Input Span = 5 V, V
CM
= 2.5 V)
N–1
13484335
1414263
1482053
N N+1
HITS
CODE
Figure 13. “Grounded-Input”
Histogram (Input Span = 5 V)
FREQUENCY – MHz
0
–10
1 10 100
–70
–80
–50
–60
–20
–40
–30
AMPLITUDE – dB
Figure 16. CMR vs. Input Frequency
(Input Span = 2 V, V
CM
= 2.5 V)
TEMPERATURE – 8C
V
REF
ERROR – V
0.01
–0.004
–0.01
–60 –40 140–20 0 20 40 60 80 100 120
0.008
–0.002
–0.006
–0.008
0.002
0
0.006
0.004
Figure 19. Typical Voltage Reference
Error vs. Temperature
B