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AD9235 Datasheet(PDF) 11 Page - Analog Devices

Part # AD9235
Description  12-Bit, 20/40/65 MSPS 3 V A/D Converter
PDF  40 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9235 Datasheet(HTML) 11 Page - Analog Devices

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Data Sheet
AD9235
Rev. D | Page 11 of 40
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 3.0 V, DRVDD = 2.5 V, fSAMPLE = 65 MSPS with DCS disabled, TA = 25°C, 2 V differential input, AIN = −0.5 dBFS, VREF = 1.0 V,
unless otherwise noted.
FREQUENCY (MHz)
32.5
0
6.5
13.0
19.5
26.0
0
–20
–40
–60
–80
–100
–120
SNR = 70.3dBc
SINAD = 70.2dBc
ENOB = 11.4 BITS
THD = –86.3dBc
SFDR = 89.9dBc
Figure 9. Single Tone 8K FFT with fIN = 10 MHz
FREQUENCY (MHz)
91.0
65.0
71.5
78.0
84.5
0
–20
–40
–60
–80
–100
–120
SNR = 69.4dBc
SINAD = 69.1dBc
ENOB = 11.2 BITS
THD = –81.0dBc
SFDR = 83.8dBc
Figure 10. Single Tone 8K FFT with fIN = 70 MHz
FREQUENCY (MHz)
130.0
97.5
104.0
110.5
117.0
123.5
0
–20
–40
–60
–80
–100
–120
SNR = 68.5dBc
SINAD = 66.5dBc
ENOB = 10.8 BITS
THD = –71.0dBc
SFDR = 71.2dBc
Figure 11. Single Tone 8K FFT with fIN = 100 MHz
SAMPLE RATE (MSPS)
65
40
45
50
55
60
100
95
90
80
70
60
85
75
65
55
50
SFDR (2V DIFF)
SNR (2V SE)
SNR (2V DIFF)
SFDR (2V SE)
Figure 12. AD9235-65: Single Tone SNR/SFDR vs.
fCLK with fIN = Nyquist (32.5 MHz)
SAMPLE RATE (MSPS)
40
20
25
30
35
100
95
90
85
80
75
70
65
60
55
50
SNR (2V SE)
SFDR (2V DIFF)
SNR (2V DIFF)
SFDR (2V SE)
Figure 13. AD9235-40: Single Tone SNR/SFDR vs. fCLK with fIN = Nyquist (20 MHz)
SAMPLE RATE (MSPS)
20
0
5
10
15
100
90
95
85
80
75
65
70
55
60
50
SFDR (2V DIFF)
SNR (2V DIFF)
SFDR (2V SE)
SNR (2V SE)
Figure 14. AD9235-20: Single Tone SNR/SFDR vs. fCLK with fIN = Nyquist (10 MHz)



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