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AD9645 数据表(PDF) 13 Page - Analog Devices

部件名 AD9645
功能描述  Dual, 14-Bit, 80 MSPS/125 MSPS, Serial LVDS
PDF  36 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD9645 数据表(HTML) 13 Page - Analog Devices

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Data Sheet
AD9645
Rev. 0 | Page 13 of 36
120
–20
–90
0
INPUT AMPLITUDE (dBFS)
SFDRFS
SFDR
SNRFS
SNR
0
20
40
60
80
100
–80
–70
–60
–50
–40
–30
–20
–10
Figure 15. SNR/SFDR vs. Analog Input Level; fIN = 9.7 MHz, fSAMPLE = 80 MSPS
0
–140
–120
–100
–80
–60
–40
–20
0
10
20
30
40
FREQUENCY (MHz)
AIN1 AND AIN2 = –7dBFS
SFDR = 90.8dBc
IMD2 = –94.2dBc
IMD3 = –92.7dBc
Figure 16. Two-Tone 16k FFT with fIN1 = 70.5 MHz and fIN2 = 72.5 MHz,
fSAMPLE = 80 MSPS
0
–20
–40
–60
–80
–100
–120
–90
–10
–30
–50
–70
INPUT AMPLITUDE (dBFS)
SFDR (dBc)
SFDR (dBFS)
IMD3 (dBc)
IMD3 (dBFS)
Figure 17. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with
fIN1 = 70.5 MHz and fIN2 = 72.5 MHz, fSAMPLE = 80 MSPS
110
0
0
260
INPUT FREQUENCY (MHz)
70
10
20
30
40
50
60
80
90
100
100 120 140
80
20
40
60
240
160 180 200 220
SFDR
SNR
Figure 18. SNR/SFDR vs. fIN; fSAMPLE = 80 MSPS
120
0
–40
–20
0
20
40
60
80
TEMPERATURE (°C)
10
20
30
40
50
60
70
80
90
100
110
SFDR
SNR
Figure 19. SNR/SFDR vs. Temperature; fIN = 9.7 MHz, fSAMPLE = 80 MSPS
1.0
–0.8
OUTPUT CODE
–0.6
–0.4
–0.2
0
0.4
0.2
0.6
0.8
Figure 20. INL; fIN = 9.7 MHz, fSAMPLE = 80 MSPS



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