AD9861 查看數據表（PDF） - Analog Devices
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AD9861 Datasheet PDF : 52 Pages
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0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
0
5
10
15
20
25
FREQUENCY (MHz)
Figure 10. AD9861-50 Rx Path Single-Tone FFT of Rx Channel B Path
Digitizing 76 MHz Tone
62
NORMAL POWER @ 50MSPS
LOW POWER ADC @ 25MSPS
59
56
ULTRALOW POWER ADC
@ 16MSPS
53
50
0
5
10
15
20
25
INPUT FREQUENCY (MHz)
Figure 11. AD9861-50 Rx Path at 50 MSPS, 10 MHz Input Tone
SNR Performance vs. Input Frequency
80
LOW POWER ADC @ 25MSPS
75
70
NORMAL POWER @ 50MSPS
65
60
ULTRALOW POWER ADC
@ 16MSPS
55
50
0
5
10
15
20
25
INPUT FREQUENCY (MHz)
Figure 12. AD9861-50 Rx Path at 50 MSPS, 10 MHz Input Tone
SFDR Performance vs. Input Frequency
AD9861
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
0
5
10
15
20
25
FREQUENCY (MHz)
Figure 13. AD9861-50 Rx Path Dual-Tone FFT of Rx Channel A Path
Digitizing 70 MHz and 72 MHz Tones
62
10.0
NORMAL POWER @ 50MSPS
9.8
LOW POWER ADC @ 25MSPS
9.6
59
9.4
9.2
56
9.0
8.8
ULTRALOW POWER ADC
@ 16MSPS
8.6
53
8.4
8.2
50
8.0
0
5
10
15
20
25
INPUT FREQUENCY (MHz)
Figure 14. AD9861-50 Rx Path at 50 MSPS, 10 MHz Input Tone
SINAD Performance vs. Input Frequency
–50
–55
–60
ULTRALOW POWER ADC
@ 16MSPS
–65
NORMAL POWER @ 50MSPS
–70
–75
LOW POWER ADC @ 25MSPS
–80
0
5
10
15
20
25
INPUT FREQUENCY (MHz)
Figure 15. AD9861-50 Rx Path at 50 MSPS, 10 MHz Input Tone
THD Performance vs. Input Frequency
Rev. 0 | Page 11 of 52
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