Datasheet

AD9245 Data Sheet
Rev. E | Page 14 of 32
FREQUENCY (MHz)
AMPLITUDE (dBFS)
0 5 10 15 20 25 30 35
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
40
03583-029
AIN = –6.5dBFS
SNR = 73.4dBFS
SFDR = 86.0dBFS
Figure 14. Two-Tone 8K FFT @ 30 MHz and 31 MHz
FREQUENCY (MHz)
AMPLITUDE (dBFS)
0 5 10 15 20 25 30 35
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
40
03583-030
AIN = –6.5dBFS
SNR = 72.7dBFS
SFDR = 78.8dBFS
Figure 15. Two-Tone 8K FFT @ 69 MHz and 70 MHz
CODE
INL (LSB)
0 2048 4096 6144 8192 10240 12288 14336
–1.5
1.5
1.0
0.5
0
–0.5
–1.0
16384
03583-026
Figure 16. Typical INL
INPUT AMPLITUDE (dBFS)
SNR/SFDR (dBc AND dBFS)
–30 –27 –24 –21 –18 –15 –12 –9
40
100
90
80
70
60
50
–6
03583-031
SFDR = 90dBc
REFERENCE LINE
SFDR (dBFS)
SFDR (dBc)
SNR (dBFS)
SNR (dBc)
Figure 17. Two-Tone SNR/SFDR vs. Input Amplitude @ 30 MHz and 31 MHz
INPUT AMPLITUDE (dBFS)
SNR/SFDR (dBc AND dBFS)
–30 –27 –24 –21 –18 –15 –12 –9
40
100
90
80
70
60
50
–6
03583-027
SFDR = 90dBc
REFERENCE LINE
SFDR (dBFS)
SFDR (dBc)
SNR (dBFS)
SNR (dBc)
Figure 18. Two-Tone SNR/SFDR vs. Input Amplitude @ 69 MHz and 70 MHz
CODE
DNL (LSB)
0 2048 4096 6144 8192 10240 12288 14336
–1.0
1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
16384
03583-028
Figure 19. Typical DNL