AD9237 Analog Devices, AD9237 Datasheet - Page 14

• Manufacturer Part Number: AD9237
• Description: 12-Bit, 20/40/65 MSPS 3 V Low Power A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9237

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 65MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 1 V p-p,2 V p-p,4 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

AD9237
–0.25
–0.50
–0.75
–1.00
–100
–120
1.00
0.75
0.50
0.25
–20
–40
–60
–80
90
85
80
75
70
65
60
55
0
0
Figure 27. AD9237-65 SNR/SFDR vs. Input Frequency
0
0
0
SFDR
SNR
512
Figure 26. AD9237-40 Two-Tone FFT
25
f
1024
IN1
5
Figure 28. Typical INL
= 69 MHz, f
INPUT FREQUENCY (MHz)
1536
FREQUENCY (MHz)
50
CODE
IN2
2048
10
= 70 MHz
75
2560
SNR = 67.1dBFS
SFDR = 87.3dBFS
3072
15
100
3584
4096
125
2
0
Rev. A | Page 14 of 24
Figure 29. AD9237-40 Two-Tone SNR/SFDR vs. Analog Input with
–0.25
–0.50
–0.75
–1.00
1.00
0.75
0.50
0.25
100
90
80
70
60
50
40
30
90
85
80
75
70
65
60
55
0
–30
Figure 30. AD9237-40 SNR/SFDR vs. Input Frequency
0
0
SFDR dBFS
SNR dBFS
SFDR dBc
SNR dBc
512
25
–25
f
1024
IN1
Figure 31. Typical DNL
= 69 MHz, f
SFDR
INPUT FREQUENCY (MHz)
INPUT AMPLITUDE (AIN)
1536
50
–20
CODE
IN2
SNR
2048
= 70 MHz
75
2560
–15
3072
100
–10
3584
4096
–6.5
125