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.
02461-009
FREQUENCY (MHz)
32.5
0
6.5
13.0
19.5
26.0
MAGNITUDE
(dBFS)
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
02461-010
FREQUENCY (MHz)
91.0
65.0
71.5
78.0
84.5
MAGNITUDE
(dBFS)
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
02461-011
FREQUENCY (MHz)
130.0
97.5
104.0
110.5
117.0
123.5
MAGNITUDE
(dBFS)
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
02461-012
SAMPLE RATE (MSPS)
65
40
45
50
55
60
SNR/SFDR
(dBc)
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)
02461-013
SAMPLE RATE (MSPS)
40
20
25
30
35
SNR/SFDR
(dBc)
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)
02461-014
SAMPLE RATE (MSPS)
20
0
5
10
15
SNR/SFDR
(dBc)
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)