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參數(shù)資料
型號: AD9480BSUZ-250
廠商: Analog Devices Inc
文件頁數(shù): 4/28頁
文件大?。?/td> 0K
描述: IC ADC 8BIT 250MSPS 3.3V 44TQFP
標(biāo)準(zhǔn)包裝: 1
位數(shù): 8
采樣率(每秒): 250M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 590mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 44-TQFP
供應(yīng)商設(shè)備封裝: 44-TQFP(10x10)
包裝: 托盤
輸入數(shù)目和類型: 2 個單端,單極;2 個差分,單極
AD9480
Rev. A | Page 12 of 28
SFDR
SNR
SINAD
SAMPLE CLOCK (MHz)
dB
75
70
65
60
55
50
45
40
0
50
150
200
100
250
300
04619-
026
Figure 10. SNR, SINAD, SFDR vs. Sample Clock Frequency, AIN = 70 MHz @ 1 dBFS
ANALOG INPUT DRIVE LEVEL (dBFS)
dB
80
60
70
40
50
20
30
0
10
–70
–60
–40
–50
–30
–20
–10
0
04619-
027
SFDRdBFS
SFDRdBc
65dB
REF LINE
Figure 11. SFDR vs. AIN Input Level; AIN = 70 MHz @ 250 MSPS
MHz
dB
0
–20
–10
–50
–40
–30
–70
–60
–90
–80
060
40
20
80
100
120
04619-
028
F1, F2 = –7dBFS
2F2-F1 = –71.1dBc
2F1-F2 = –68dBc
Figure 12. Two-Tone Intermodulation Distortion
(69.3 MHz and 70.3 MHz; fS = 250 MSPS)
ENCODE (MSPS)
CURRENT
IN
mA
180
160
100
120
140
60
40
20
80
0
50
100
200
250
150
300
04619-
029
IAVDD
IDRVDD
Figure 13. IAVDD and IDRVDD vs. Clock Rate, CLOAD = 5 pF AIN = 70 MHz @ –1 dBFS
DCS OFF
DCS ON
CLOCK POSITIVE DUTY CYCLE (%)
dB
50
49
48
47
46
45
43
42
41
44
40
20
30
40
50
60
70
80
046190-
030
Figure 14. SNR, SINAD vs. Clock Pulse Width High,
AIN = 70 MHz @ –1 dBFS, 250 MSPS, DCS On/Off
EXTERNAL VREF VOLTAGE (V)
SNR,
SI
NAD
d
B
50.0
47.5
45.0
42.5
40.0
0.5
1.1
0.9
0.7
1.5
1.3
1.7
1.9
04619-031
SNR
SFDR
50
65
70
75
80
SF
DR
d
B
SINAD
Figure 15. SNR, SINAD, and SFDR vs. VREF in External Reference Mode,
AIN = 70 MHz @ –1 dBFS, 250 MSPS
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