AD12400 データシートの表示（PDF） - Analog Devices
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AD12400 Datasheet PDF : 24 Pages
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AD12400
0
SFDR = 70dBc
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
20 40 60 80 100 120 140 160 180 200
FREQUENCY (MHz)
Figure 12. Two-Tone Intermodulation Distortion
(178.1 MHz and 182.1 MHz; fs = 400 MSPS), SFDR = 70 dBc;
X = Image Spur, N – Interleaved Offset Spur
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
10.7 35.0 59.3 83.6 107.9 132.2 156.5 180.8 205.1 229.4
FREQUENCY (MHz)
Figure 13. Interleaved Gain Flatness
100
THIRD HARMONIC
95
90
85
SECOND HARMONIC
80
IMAGE SPUR
75
70
65
60
0
10
20
30
40
50
60
70
ANALOG INPUT LEVEL (dB)
Figure 14. Second/Third Harmonics and Image Spur vs. Analog Input Level;
fS = 400 MSPS, AIN = 70 MHz
95
IMAGE SPUR
90
85
SECOND HARMONIC
80
75
THIRD HARMONIC
70
65
60
0 20 40 60 80 100 120 140 160 180
ANALOG INPUT FREQUENCY (MHz)
Figure 15. Harmonics vs. Analog Input Frequency
64.6
64.4
64.2
64.0
63.8
63.6
63.4
63.2
63.0
62.8
0
20 40 60 80 100 120 140 160 180
ANALOG INPUT FREQUENCY (MHz)
Figure 16. SNR vs. Analog Input Frequency
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0
20 40 60 80 100 120 140 160 180 200
INPUT FREQUENCY (MHz)
Figure 17. VD Supply Current vs. AIN Frequency
Rev. A | Page 12 of 24
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