參數(shù)資料
型號(hào): AD9444BSVZ-80
廠商: ANALOG DEVICES INC
元件分類: ADC
英文描述: 14-Bit, 80 MSPS, A/D Converter
中文描述: 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP100
封裝: LEAD FREE, PLASTIC, MS-026-AED, TQFP-100
文件頁數(shù): 18/40頁
文件大?。?/td> 1291K
代理商: AD9444BSVZ-80
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)
A
0
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
FREQUENCY (MHz)
20
25
30
35
40
A
0
NPR: 63.1dB
Figure 31. NPR, 80 MSPS/18 MHz Notch
0
70
75
80
85
90
95
100
105
20
30
40
CLOCK DUTY CYCLE (%)
50
60
70
80
d
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,
F
SAMPLE
= 80 MSPS, 10.3 MHz @ 0.5 dBFS
0
0
2000
4000
6000
8000
10000
12000
8179
8180
8181
8182
8183
B
IN
8184
8185
8186
8187
F
Figure 33. Ground Input Histogram
80 MSPS, VIN+ = VIN, 32K Samples
0
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)
C
AVDD1 (3.3V)
AVDD2 (5.0V)
DRVDD (3.3V)
Figure 34. I
SUPPLY
vs. Sample Rate, A
IN
= 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
V
IN
COMMON-MODE (V)
(
0
SFDR (dBc)
SNR (dB)
Figure 35. Single-Tone SNR/SFDR vs.
V
IN
Common-Mode Voltage 80 MSPS/10.3 MHz
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