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AD9444-CMOS/PCB 数据表(PDF) 19 Page - Analog Devices

部件名 AD9444-CMOS/PCB
功能描述  14-Bit, 80 MSPS, A/D Converter
PDF  41 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD9444-CMOS/PCB 数据表(HTML) 19 Page - Analog Devices

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AD9444
Rev. 0 | Page 18 of 40
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
0
7.68
15.36
23.04
30.72
FREQUENCY (MHz)
61.44MSPS
TOTAL INPUT SIGNAL
POWER: –30dBFS
Figure 30. 64K FFT, 61.44 MSPS, 4 @ WCDMA, IF = 46.08 MHz
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
0
5
10
15
20
25
30
35
40
FREQUENCY (MHz)
NPR: 63.1dB
Figure 31. NPR, 80 MSPS/18 MHz Notch
70
75
80
85
90
95
100
105
20
30
40
50
60
70
80
CLOCK DUTY CYCLE (%)
SFDR - DCS OFF (dBFS)
SFDR - DCS ON (dBFS)
SNR - DCS OFF (dB)
SNR - DCS ON (dB)
Figure 32. Single-Tone SNR/SFDR vs. Clock Duty Cycle,
FSAMPLE = 80 MSPS, 10.3 MHz @ −0.5 dBFS
0
2000
4000
6000
8000
10000
12000
8179
8180
8181
8182
8183
8184
8185
8186
8187
BIN
Figure 33. Ground Input Histogram
80 MSPS, VIN+ = VIN−, 32K Samples
50
70
90
110
130
150
170
190
210
230
250
20
30
40
50
60
70
80
90
100
110
120
130
SAMPLE RATE (MSPS)
AVDD1 (3.3V)
AVDD2 (5.0V)
DRVDD (3.3V)
Figure 34. ISUPPLY vs. Sample Rate, AIN = 10.3 MHz @ −0.5 dBFS
60
65
70
75
80
85
90
95
100
2.5
2.7
2.9
3.1
3.3
3.5
3.7
3.9
VIN COMMON-MODE (V)
SFDR (dBc)
SNR (dB)
Figure 35. Single-Tone SNR/SFDR vs.
VIN Common-Mode Voltage 80 MSPS/10.3 MHz



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