AD9238 Analog Devices, AD9238 Datasheet - Page 12

• Manufacturer Part Number: AD9238
• Description: Dual 12-Bit, 20/40/65 MSPS, 3 V ADC
• Manufacturer: Analog Devices

Specifications of AD9238

• Resolution (bits): 12bit
• # Chan: 2
• Sample Rate: 65MSPS
• Interface: Par
• Analog Input Type: Diff-Uni,SE-Uni
• Ain Range: (2Vref) p-p,1 V p-p,2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP,QFP

AD9238
Figure 11. AD9238-65 Single-Tone SNR/SFDR vs. AIN with f
Figure 12. AD9238-40 Single-Tone SNR/SFDR vs. AIN with f
Figure 13. AD9238-20 Single-Tone SNR/SFDR vs. AIN with f
100
100
100
90
80
70
60
50
40
90
80
70
60
50
40
90
80
70
60
50
40
–35
–35
–35
–30
–30
–30
–25
–25
–25
INPUT AMPLITUDE (dBFS)
INPUT AMPLITUDE (dBFS)
INPUT AMPLITUDE (dBFS)
–20
–20
–20
SNR
SNR
SFDR
SFDR
SNR
SNR
SNR
SNR
–15
–15
–15
SNR
SNR
SNR
SFDR
–10
–10
–10
–5
–5
–5
IN
IN
IN
= 32.5 MHz
= 20 MHz
= 10 MHz
0
0
0
Rev. C | Page 12 of 48
70
65
70
65
70
65
95
90
85
80
75
95
90
85
80
75
95
90
85
80
75
0
0
0
Figure 14. AD9238-65 Single-Tone SNR/SFDR vs. f
Figure 15. AD9238-40 Single-Tone SNR/SFDR vs. f
Figure 16. AD9238-20 Single-Tone SNR/SFDR vs. f
20
20
20
40
40
40
INPUT FREQUENCY (MHz)
INPUT FREQUENCY (MHz)
INPUT FREQUENCY (MHz)
SNR
SFDR
SNR
SFDR
SNR
SNR
SNR
SNR
60
60
60
SNR
SFDR
SNR
80
80
80
100
100
100
120
120
120
IN
IN
IN
140
140
140