AD9122 查看數據表（PDF） - Analog Devices
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AD9122 Datasheet PDF : 56 Pages
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AD9122
TYPICAL PERFORMANCE CHARACTERISTICS
0
fDATA = 250MSPS, SECOND HARMONIC
–10
fDATA = 250MSPS, THIRD HARMONIC
fDATA = 400MSPS, SECOND HARMONIC
–20
fDATA = 400MSPS, THIRD HARMONIC
–30
–40
–50
–60
–70
–80
–90
–100
0
50 100 150 200 250 300 350 400 450
fOUT (MHz)
Figure 4. Harmonics vs. fOUT over fDATA, 2× Interpolation,
Digital Scale = 0 dBFS, fSC = 20 mA
0
fDATA = 100MSPS, SECOND HARMONIC
–10
fDATA = 100MSPS, THIRD HARMONIC
fDATA = 200MSPS, SECOND HARMONIC
–20
fDATA = 200MSPS, THIRD HARMONIC
–30
–40
–50
–60
–70
–80
–90
–100
0
50 100 150 200 250 300 350 400 450
fOUT (MHz)
Figure 5. Harmonics vs. fOUT over fDATA, 4× Interpolation,
Digital Scale = 0 dBFS, fSC = 20 mA
0
fDATA = 100MSPS, SECOND HARMONIC
–10
fDATA = 100MSPS, THIRD HARMONIC
fDATA = 150MSPS, SECOND HARMONIC
–20
fDATA = 150MSPS, THIRD HARMONIC
–30
–40
–50
–60
–70
–80
–90
–100
0
100
200
300
400
500
600
700
fOUT (MHz)
Figure 6. Harmonics vs. fOUT over fDATA, 8× Interpolation,
Digital Scale = 0 dBFS, fSC = 20 mA
0
0dBFS
–10
–6dBFS
–12dBFS
–20
–18dBFS
–30
–40
–50
–60
–70
–80
–90
–100
0
50 100 150 200 250 300 350 400 450
fOUT (MHz)
Figure 7. Second Harmonic vs. fOUT over Digital Scale, 2× Interpolation,
fDATA = 400 MSPS, fSC = 20 mA
0
0dBFS
–10
–6dBFS
–12dBFS
–20
–18dBFS
–30
–40
–50
–60
–70
–80
–90
–100
0
50 100 150 200 250 300 350 400 450
fOUT (MHz)
Figure 8. Third Harmonic vs. fOUT over Digital Scale, 2× Interpolation,
fDATA = 400 MSPS, fSC = 20 mA
0
10mA, SECOND HARMONIC
–10
20mA, SECOND HARMONIC
30mA, SECOND HARMONIC
–20
10mA, THIRD HARMONIC
20mA, THIRD HARMONIC
–30
30mA, THIRD HARMONIC
–40
–50
–60
–70
–80
–90
–100
0
50 100 150 200 250 300 350 400 450
fOUT (MHz)
Figure 9. Second Harmonic vs. fOUT over fSC, 2× Interpolation,
fDATA = 400 MSPS, Digital Scale = 0 dBFS
Rev. 0 | Page 10 of 56
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