AD6672 Просмотр технического описания (PDF) - Analog Devices
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AD6672 Datasheet PDF : 30 Pages
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Data Sheet
120
100
SFDR (dBFS)
80
SNR (dBFS)
60
40
SFDR (dBc)
SNR (dBc)
20
0
–100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0
INPUT AMPLITUDE (dBFS)
Figure 10. Single-Tone SNR/SFDR vs. Input Amplitude (AIN)
with fIN = 90.1 MHz, fS = 250 MSPS
100
95
SFDR (dBFS)
90
85
80
75
70
SNR (dBc)
65
60
FREQUENCY (MHz)
Figure 11. Single-Tone SNR/SFDR vs. Input Frequency (fIN), fS = 250 MSPS
0
–20
SFDR (dBc)
–40
IMD3 (dBc)
–60
–80
SFDR (dBFS)
–100
IMD3 (dBFS)
–120
–90 –80 –70 –60 –50 –40 –30 –20 –10
INPUT AMPLITUDE (dBFS)
Figure 12. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN)
with fIN1 = 89.12 MHz, fIN2 = 92.12 MHz, fS = 250 MSPS
AD6672
0
–20
SFDR (dBc)
IMD3 (dBc)
–40
–60
–80
–100
IMD3 (dBFS)
SFDR (dBFS)
–120
–90.0 –78.5 –67.0 –55.5 –44.0 –32.5 –21.0 –9.5
INPUT AMPLITUDE (dBFS)
Figure 13. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN)
with fIN1 = 184.12 MHz, fIN2 = 187.12 MHz, fS = 250 MSPS
0
250MSPS
89.12MHz @ –7.0dBFS
–20 92.12MHz @ –7.0dBFS
SFDR = 87dBc (94dBFS)
–40
–60
–80
–100
–120
–140
0
10 20 30 40 50 60 70 80 90 100 110 120
FREQUENCY (Hz)
Figure 14. Two-Tone FFT with fIN1 = 89.12 MHz, fIN2 = 92.12 MHz
0
250MSPS
184.12MHz @ –7.0dBFS
–20 187.12MHz @ –7.0dBFS
SFDR = 86dBc (93dBFS)
–40
–60
–80
–100
–120
–140
0
10 20 30 40 50 60 70 80 90 100 110 120
FREQUENCY (Hz)
Figure 15. Two-Tone FFT with fIN1 = 184.12 MHz, fIN2 = 187.12 MHz
Rev. C | Page 13 of 30
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