Datasheet

AD9215 Data Sheet
Rev. B | Page 12 of 36
02874-A-060
FREQUENCY (MHz)
dB
–120
–100
–80
–60
–40
–20
0
0 52.50039.37526.25013.125
A
IN1
, A
IN2
= –7dBFS
SFDR = 74dBc
Figure 21. Two-Tone 32k FFT with f
IN1
= 70.1 MHz,
and f
IN2
= 71.1 MHz, f
SAMPLE
= 105 MSPS
02874-A-061
FREQUENCY (MHz)
dB
–120
–100
–80
–60
–40
–20
0
0 52.50039.37526.25013.125
A
IN1
, A
IN2
= –7dBFS
SFDR = 74dBc
Figure 22. Two-Tone 32k FFT with f
IN1
= 100.3 MHz,
and f
IN2
= 101.3 MHz, f
SAMPLE
= 105 MSPS
02874-A-068
0
80
70
60
50
40
30
20
10
–65 –55 –45 –35 –25 –15 –5
dB
AIN1, AIN2 (dBFS)
SFDR
80dBFS REFERENCE LINE
Figure 23. AD9215-105 Two-Tone SFDR vs. A
IN
,
f
IN1
= 70.1 MHz, and f
IN2
= 71.1 MHz, f
SAMPLE
= 105 MSPS
02874-A-073
0
80
70
60
50
40
30
20
10
–60 –5–10–15–20–25–30–35–40–45–50–55
dB
A
IN
(dBFS)
SFDR
80dBFS REFERENCE LINE
Figure 24. AD9215-80 Two-Tone SFDR vs. A
IN
, f
IN1
= 100.3 MHz, and f
IN2
=
101.3 MHz, f
SAMPLE
= 105 MSPS
02874-A-069
30
80
75
70
65
60
55
50
45
40
35
20 30 40 50 60 70 80
dB
CLOCK DUTY CYCLE HIGH (%)
SFDR DCS ON
SFDR DCS OFF
SNR DCS ON
SNR DCS OFF
Figure 25. SINAD, SFDR vs.
Clock Duty Cycle, f
SAMPLE
= 105 MSPS, f
IN
= 50.3 MH
02874-A-070
50
55
60
65
70
75
80
–40–200 20406080
dBc
TEMPERATURE (C)
2V p-p SFDR (dBc)
1V p-p SFDR (dBc)
2V p-p SINAD
1V p-p SINAD
Figure 26. SINAD, SFDR vs. Temperature,
f
SAMPLE
= 105 MSPS, f
IN
= 50 MHz