Datasheet

Data Sheet AD9235
Rev. D | Page 11 of 40
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 3.0 V, DRVDD = 2.5 V, f
SAMPLE
= 65 MSPS with DCS disabled, T
A
= 25°C, 2 V differential input, A
IN
= −0.5 dBFS, VREF = 1.0 V,
unless otherwise noted.
02461-009
FREQUENCY (MHz)
32.50 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 f
IN
= 10 MHz
02461-010
FREQUENCY (MHz)
91.065.0 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 f
IN
= 70 MHz
02461-011
FREQUENCY (MHz)
130.097.5 104.0 110.5 117.0 123.5
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 f
IN
= 100 MHz
02461-012
SAMPLE RATE (MSPS)
6540 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.
f
CLK
with f
IN
= Nyquist (32.5 MHz)
02461-013
SAMPLE RATE (MSPS)
4020 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. f
CLK
with f
IN
= Nyquist (20 MHz)
02461-014
SAMPLE RATE (MSPS)
200 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. f
CLK
with f
IN
= Nyquist (10 MHz)