AD9239 Analog Devices, AD9239 Datasheet - Page 14

• Manufacturer Part Number: AD9239
• Description: Quad, 12-Bit, 170 MSPS/210 MSPS/250 MSPS Serial Output 1.8 V ADC
• Manufacturer: Analog Devices

Specifications of AD9239

• Resolution (bits): 12bit
• # Chan: 4
• Sample Rate: 250MSPS
• Interface: Ser
• Analog Input Type: Diff-Uni,SE-Uni
• Ain Range: 1.25 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

AD9239
Figure 22. SNR/SFDR Amplitude vs. AIN Frequency, f
Figure 23. SNR/SFDR Amplitude vs. AIN Frequency, f
Figure 24. SNR/SFDR Amplitude vs. AIN Frequency, f
95
90
85
80
75
70
65
60
55
50
45
95
90
85
80
75
70
65
60
55
50
45
95
90
85
80
75
70
65
60
55
50
45
0
0
0
50
50
50
100
100
100
150
150
150
SNR (dB)
AIN FREQUENCY (MHz)
AIN FREQUENCY (MHz)
AIN FREQUENCY (MHz)
SNR (dB)
SNR (dB)
200
200
200
250
250
250
SFDR (dB)
SFDR (dB)
300
300
300
SFDR (dB)
350
350
350
400
400
400
SAMPLE
SAMPLE
SAMPLE
450
450
450
= 170 MSPS
= 210 MSPS
= 250 MSPS
500
500
500
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–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
70
69
68
67
66
65
64
63
62
61
60
90
85
80
75
70
65
60
–40
–40
0
0
Figure 26. SFDR vs. Temperature, f
Figure 27. INL, f
Figure 25. SNR vs. Temperature, f
500
–20
–20
1000
SNR, 170MSPS
0
0
IN
1500
TEMPERATURE (°C)
TEMPERATURE (°C)
= 9.7 MHz, f
SNR, 250MSPS
SFDR, 210MSPS
2000
CODE
20
20
SAMPLE
2500
SNR, 210MSPS
40
40
IN
IN
SFDR, 170MSPS
= 250 MSPS
= 84.3 MHz
= 84.3 MHz
3000
SFDR, 250MSPS
60
60
3500
80
80
4000