Datasheet

AD9243
REV. A
–7–
Other Characterization Curves/Plots
(AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, f
SAMPLE
= 3.00 MSPS, T
A
= +258C,
Single-Ended Input)
CODE
2.5
–1.5
0
INL – LSB
16383
2.0
0.5
0.0
–0.5
–1.0
1.5
1.0
Figure 11. Typical INL
(Input Span = 5 V)
INPUT FREQUENCY – Hz
SINAD – dB
90
85
50
100k 1M 10M
80
75
55
70
65
60
–0.5dBFS
–6.0dBFS
–20.0dBFS
14.7
13.8
8.0
13.0
12.2
8.8
11.3
10.5
9.7
ENOB – Bits
Figure 14. SINAD vs. Input Frequency
(Input Span = 2 V, V
CM
= 2.5 V)
INPUT FREQUENCY – Hz
SINAD – dB
90
85
50
100k 1M 10M
80
75
55
70
65
60
–0.5dBFS
–6.0dBFS
–20.0dBFS
14.7
13.8
8.0
13.0
12.2
8.8
11.3
10.5
9.7
ENOB – Bits
Figure 17. SINAD vs. Input Frequency
(Input Span = 5 V, V
CM
= 2.5 V)
CODE
1.0
0 16383
0.8
0.2
0.0
0.6
0.4
–0.2
–0.4
–0.6
–0.8
–1.0
DNL – LSB
Figure 12. Typical DNL
(Input Span = 5 V)
INPUT FREQUENCY – Hz
THD – dB
–40
–50
–100
100k 1M 10M
–70
–80
–90
–60
–0.5dBFS
–6.0dBFS
–20dBFS
Figure 15. THD vs. Input Frequency
(Input Span = 2 V, V
CM
= 2.5 V)
INPUT FREQUENCY – Hz
THD – dB
–40
–50
–100
100k 1M
–70
–80
–90
–60
–0.5dBFS
–6.0dBFS
–20dBFS
10M
Figure 18. THD vs. Input Frequency
(Input Span = 5 V, V
CM
= 2.5 V)
N–1
4,343,995
439,383
356,972
N N+1
HITS
CODE
Figure 13. “Grounded-Input”
Histogram (Input Span = 5 V)
FREQUENCY – MHz
CMR – dB
20
30
90
0.1 1 10010
40
50
60
70
80
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