Datasheet

Data Sheet AD9253
Rev. 0 | Page 17 of 40
0
–20
–40
–60
–80
–100
–120
–140
0 1020304050
AMPLITUDE (dBFS)
FREQUENCY (MHz)
10065-034
AIN1 AND AIN2 = –7dBFS
SFDR = 87.5dBc
IMD2 = 92.6dBc
IMD3 = 87.5dBc
Figure 26. Two-Tone 16k FFT with f
IN1
= 70.5 MHz and f
IN2
= 72.5 MHz,
f
SAMPLE
= 105 MSPS
0
–20
–40
–60
–80
–100
–120
–90 –78 –66 –54 –42 –6–18–30
SFDR/IMD3 (dBc/dBFS)
INPUT AMPLITUDE (dBFS)
10065-037
SFDR (dBc)
SFDR (dBFS)
IMD3 (dBc)
IMD3 (dBFS)
Figure 27. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with
f
IN1
= 70.5 MHz and f
IN2
= 72.5 MHz, f
SAMPLE
= 105 MSPS
SNR/SFDR (dBFS/dBc)
INPUT FREQUENCY (MHz)
10065-040
SFDR (dBc)
SNR (dBFS)
100
0
0 200
70
10
20
30
40
50
60
80
90
100 120 1408020 40 60 180160
Figure 28. SNR/SFDR vs. f
IN
, f
SAMPLE
= 105 MSPS
100
70
–40 85
SNR/SFDR (dBFS/dBc)
TEMPERATURE (°C)
10065-043
75
80
85
90
95
–15103560
SFDR (dBc)
SNR (dBFS)
Figure 29. SNR/SFDR vs. Temperature, f
IN
= 10.3 MHz, f
SAMPLE
= 105 MSPS