參數(shù)資料
型號: AD9238BST-40
廠商: Analog Devices Inc
文件頁數(shù): 6/48頁
文件大?。?/td> 0K
描述: IC ADC 12BIT DUAL 40MSPS 64-LQFP
產品變化通告: AD9238 Lead Discontinuation 12/Sept/2011
標準包裝: 1
位數(shù): 12
采樣率(每秒): 40M
數(shù)據接口: 并聯(lián)
轉換器數(shù)目: 2
功率耗散(最大): 330mW
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: 64-LQFP
供應商設備封裝: 64-LQFP(7x7)
包裝: 托盤
輸入數(shù)目和類型: 4 個單端,單極;2 個差分,單極
配用: AD9238BCP-65EBZ-ND - BOARD EVAL WITH AD9238BCP-65
AD9238
Rev. C | Page 14 of 48
CLOCK FREQUENCY
S
INAD
(dBc
)
72
70
74
0
68
20
40
60
SINAD –65
SINAD –40
SINAD –20
12.0
11.5
11.0
02640-022
Figure 23. SINAD vs. FS with Nyquist Input
DUTY CYCLE (%)
85
S
INAD/S
F
DR
(dBc
)
80
75
70
95
65
30
60
40
45
50
55
60
65
55
50
DCS ON (SINAD)
DCS ON (SFDR)
DCS OFF (SINAD)
DCS OFF (SFDR)
90
35
02640-023
Figure 24. SINAD/SFDR vs. Clock Duty Cycle
TEMPERATURE (
°C)
80
S
INAD/S
F
DR
(dB)
78
76
74
84
72
–50
70
0
50
100
68
66
SINAD
SFDR
82
02640-024
Figure 25. SINAD/SFDR vs. Temperature with fIN = 32.5 MHz
SAMPLE RATE (MSPS)
500
AV
DD
P
O
WE
R
(mW)
400
300
200
600
100
0
102030
4050
60
–65
–40
–20
02640-025
Figure 26. Analog Power Consumption vs. FS
CODE
0.6
–0.8
INL
(
L
SB)
0.4
0.2
0
–0.2
–0.4
–0.6
0.8
1.0
–1.0
1500
1000
500
0
2000
2500
3000
3500
4000
02640-026
Figure 27. AD9238-65 Typical INL
CODE
0.6
–0.8
DNL
(LS
B
)
0.4
0.2
0
–0.2
–0.4
–0.6
0.8
1.0
–1.0
1500
1000
500
0
2000
2500
3000
3500
4000
02640-027
Figure 28. AD9238-65 Typical DNL
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