參數(shù)資料
型號: ADS1271IPW
元件分類: ADC
英文描述: 24 BIT WIDE BANDWIDTH ANALOG TO DIGITAL CONVERTER
中文描述: 24位寬帶模數(shù)轉(zhuǎn)換器
文件頁數(shù): 13/29頁
文件大?。?/td> 381K
代理商: ADS1271IPW
SBAS306A NOVEMBER 2004 REVISED DECEMBER 2004
www.ti.com
13
TYPICAL CHARACTERISTICS (continued)
TA = 25
°
C, AVDD = 5V, DVDD = 1.8V, fCLK = 27MHz, and VREF = 2.5V, unless otherwise noted.
Figure 31
NOISE vs AVDD
4.75
4.85
5.15
4.95
5.05
AVDD (V)
20
18
16
14
12
10
8
6
4
2
0
R
μ
V
5.25
HighResolution
HighSpeed
LowPower
Figure 32
NOISE vs DVDD
1.6
2.0
2.2
1.8
3.2
3.4
2.4
2.6
2.8
3.0
DVDD (V)
20
18
16
14
12
10
8
6
4
2
0
R
μ
V
3.6
HighResolution
HighSpeed
LowPower
Figure 33
NOISE vs TEMPERATURE
40
20
0
20
Temperature ( C)
40
60
80
100
12
10
8
6
4
2
0
R
μ
V
120125
HighResolution
HighSpeed
LowPower
Figure 34
NOISE vs INPUT LEVEL
2.5
2.0
1.5
1.0
1.5
1.0
0.5
0.5
0
V
IN
(V)
20
18
16
14
12
10
8
6
4
2
0
R
μ
V
2.5
2.0
HighResolution
HighSpeed
LowPower
Figure 35
AVDD CURRENT vs TEMPERATURE
40
20
0
20
Temperature ( C)
40
60
80
100
22
20
18
16
14
12
10
8
6
4
2
0
A
120125
HighSpeed and
HighResolution
LowPower
Figure 36
DVDD CURRENT vs TEMPERATURE
40
20
0
20
Temperature ( C)
40
60
80
100
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
D
120125
LowPower
HighResolution
HighSpeed
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