AD6640ST 데이터 시트보기 (PDF) - Analog Devices
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AD6640ST Datasheet PDF : 24 Pages
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AD6640–Typical Performance Characteristics
0
ENCODE = 65MSPS
AIN = 2.2MHz
20
40
60
2 3 4 56 7 8 9
80
100
120
dc
6.5
13.0
19.5
26.0
32.5
FREQUENCY – MHz
Figure 7. Single Tone at 2.2 MHz
81
ENCODE = 65MSPS
TEMP = –40 C, +25 C, & +85 C
80
T = +25 C
79
T = –40 C, +85 C
78
77
0 7 14 21 28 35 42 49 56 63 70
ANALOG INPUT FREQUENCY – MHz
Figure 10. Harmonics vs. AIN
0
ENCODE = 65MSPS
AIN = 15.5MHz
20
40
60
48
95
80
37
62
100
120
dc
6.5
13.0
19.5
26.0
32.5
FREQUENCY – MHz
Figure 8. Single Tone at 15.5 MHz
69
ENCODE = 65MSPS
TEMP = –40 C, +25 C, & +85 C
68
T = –40 C
T = +25 C
67
T = +85 C
66
65
0 7 14 21 28 35 42 49 56 63 70
ANALOG INPUT FREQUENCY – MHz
Figure 11. Noise vs. AIN
0
ENCODE = 65MSPS
AIN = 31.0MHz
20
40
60
2 468
80
97 53
100
120
dc
6.5
13.0
19.5
26.0
32.5
FREQUENCY – MHz
Figure 9. Single Tone at 31.0 MHz
90
WORST OTHER SPUR
ENCODE = 65MSPS
80
HARMONICS (2nd, 3rd)
70
SNR
60
50
40
30
1
2
4
10 20 40
100 200 300
ANALOG INPUT FREQUENCY – MHz
Figure 12. Harmonics, Noise vs. AIN
–8–
REV. 0
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