AD9221/AD9223/AD9220
(AVDD = +5 V, DVDD = +5 V, fSAMPLE = 3.0 MSPS, TA = +25؇C)
AD9223–Typical Characterization Curves
1.0
1.0
0.8
8,123,672
0.8
0.6
0.4
0.6
0.4
0.2
0.0
0.2
0.0
–0.2
–0.4
–0.6
–0.2
–0.4
–0.6
–0.8
–1.0
130,323
96,830
–0.8
–1.0
N–1
N
N+1
0
4095
0
4095
CODE
CODE
CODE
Figure 11. Typical DNL
Figure 12. Typical INL
Figure 13. “Grounded-Input”
Histogram (Input Span = 2 V p-p)
80
75
70
65
60
55
50
–50
–55
80
75
–0.5dB
–0.5dB
–6.0dB
–60
–65
–70
–20.0dB
–0.5dB
70
–6.0dB
65
60
55
50
–75
–80
–85
–90
–6.0dB
–20.0dB
–20.0dB
45
40
45
40
–95
–100
0.1
1.0
10.0
0.1
1.0
FREQUENCY – MHz
10.0
0.1
1.0
10.0
FREQUENCY – MHz
FREQUENCY – MHz
Figure 14. SINAD vs. Input Frequency
(Input Span = 2.0 V p-p, VCM = 2.5 V)
Figure 15. THD vs. Input Frequency
(Input Span = 2.0 V p-p, VCM = 2.5 V)
Figure 16. SINAD vs. Input Frequency
(Input Span = 5.0 V p-p, VCM = 2.5 V)
–50
–55
100
90
–60
–65
–60
80
–70
–75
–65
–20.0dB
70
SFDR
–70
60
5V p-p
–75
–80
–6.0dB
50
–80
SNR
–85
2V p-p
–0.5dB
40
–85
–90
–95
30
–90
–95
20
10
–100
0.1
–100
–60 –50
–40
–30
–20
–10
1.0
10.0
0.4
0.6 0.8
1
2
3
4
5 6
0
A
– dBFS
FREQUENCY – MHz
SAMPLE RATE – MSPS
IN
Figure 17. THD vs. Input Frequency
(Input Span = 5.0 V p-p, VCM = 2.5 V)
Figure 19. SNR/SFDR vs. AIN (Input
Amplitude) (fIN = 1.5 MHz, Input
Span = 2 V p-p, VCM = 2.5 V)
Figure 18. THD vs. Sample Rate (AIN
= –0.5 dB, fIN = 500 kHz, VCM = 2.5 V)
–7–
REV. D
ADI [ ADI ]
