Figure 6. AD872A Typical FFT, fIN
參數(shù)資料
型號: AD872AJD
廠商: Analog Devices Inc
文件頁數(shù): 19/20頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 10MSPS 28-CDIP
標準包裝: 1
位數(shù): 12
采樣率(每秒): 10M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 7
功率耗散(最大): 1.3W
電壓電源: 模擬和數(shù)字,雙 ±
工作溫度: 0°C ~ 70°C
安裝類型: 通孔
封裝/外殼: 28-CDIP(0.605",15.37mm)
供應(yīng)商設(shè)備封裝: 28-CDIP
包裝: 管件
輸入數(shù)目和類型: 2 個單端,雙極;1 個差分,雙極
REV. A
–8–
AD872A–Dynamic Characteristics–Sample Rate: 10 MSPS
Figure 6. AD872A Typical FFT, fIN = 750 kHz
Figure 7. AD872A Typical FFT, fIN = 5 MHz
Figure 8. AD872A Output Code Histogram for DC Input
Figure 9. AD872A Code Probability at a Transition
15dB/
DIV
fIN = 750kHz
fIN AMPLITUDE = –0.5dB
THD = –74dB
S/(N+D) = 69dB
SNR = 71dB
SFDR = 75dB
9
2
8
3
7
4
6
5
1
2ND
–75
3RD
–88
4TH
–93
5TH
–87
6TH
–86
7TH
–90
8TH
–91
9TH
–94
HARMONICS – dB
15dB/
DIV
fIN = 5MHz
fIN AMPLITUDE = –0.5dB
THD = –74dB
S/(N+D) = 65dB
SNR = 65dB
SFDR = 69dB
9
4
5
2
1
2ND
–75
3RD
–93
4TH
–85
5TH
–85
6TH
–89
7TH
–97
8TH
–90
9TH
–92
HARMONICS – dB
–1
0
+1
DEVIATION FROM CORRECT CODE – LSB
700000
600000
500000
400000
300000
200000
100000
0
NUMBER
OF
CODE
HITS
618061
15170
19559
100
90
80
70
60
50
40
30
20
10
0
CODE X
CODE X + 1
0.26 LSB RMS
100
x
p(
CODE
X
+
1)
OBSOLETE
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