Datasheet

REV. E–8–
AD9221/AD9223/AD9220
AD9220–Typical Performance Characteristics
(AVDD = 5 V, DVDD = 5 V, f
SAMPLE
= 10 MSPS, T
A
= 25C)
CODE
1.0
0.4
–0.6
1 4095
0.8
0.6
0.0
–0.4
0.2
–0.2
–0.8
–1.0
DNL – LSBs
TPC 19. Typical DNL
FREQUENCY – MHz
80
75
40
70
65
45
60
55
50
0.1 1.0
10.0
SINAD – dB
–0.5dB
–6dB
–20dB
TPC 22. SINAD vs. Input Frequency
(Input Span = 2.0 V p-p, V
CM
= 2.5 V)
FREQUENCY – MHz
–50
THD – dB
–55
–90
0.1 1.0 10.0
–60
–65
–85
–70
–75
–80
–6.0dB
–0.5dB
–20.0dB
TPC 25. THD vs. Input Frequency
(Input Span = 5.0 V p-p, V
CM
= 2.5 V)
CODE
1.0
0.4
–1.0
1 4095
0.8
0.6
0.0
–0.8
0.2
–0.6
–0.2
–0.4
INL – LSBs
TPC 20. Typical INL
FREQUENCY – MHz
–50
–55
–100
0.5 1.0 10.0
–60
–65
–85
–70
–75
–80
–90
–95
THD – dB
–20dB
–6dB
–0.5dB
TPC 23. THD vs. Input Frequency
(Input Span = 2.0 V p-p, V
CM
= 2.5 V)
SAMPLE RATE – MSPS
THD – dB
–60
–65
–100
110
–70
–75
–95
–80
–85
–90
5V p-p
2V p-p
15
TPC 26. THD vs. Clock Frequency
(A
IN
= –0.5 dB, f
IN
= 1.0 MHz,
V
CM
= 2.5 V)
CODE
HITS
134,613
8,123,672
130,323
N–1 N N+1
TPC 21. “Grounded-Input”
Histogram (Input Span = 2 V p-p)
FREQUENCY – MHz
SINAD – dB
80
75
40
0.1 1.0 10.0
70
65
45
60
55
50
–6.0dB
–0.5dB
–20.0dB
TPC 24. SINAD vs. Input Frequency
(Input Span = 5.0 V p-p, V
CM
= 2.5 V)
A
IN
– dBFS
90
80
20
–60 –40
0
–20
60
50
30
40
70
SNR/SFDR – dB
10
–50 –30 –10
SFDR
SNR
TPC 27. SNR/SFDR vs. A
IN
(Input
Amplitude) (f
IN
= 5.0 MHz, Input
Span = 2 V p-p, V
CM
= 2.5 V)