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参数资料
| 型号： | DS1244Y |
| 英文描述： | Low-Power, 24-Bit ANALOG-TO-DIGITAL CONVERTER |
| 中文描述： | 低功耗，24位模拟数字转换器 |
| 文件页数： | 4/19页 |
| 文件大小： | 292K |
| 代理商： | DS1244Y |
ADS1244
SBAS273
4
www.ti.com
TYPICAL CHARACTERISTICS
At T
A
= +25
°
C, AVDD = +5V, DVDD = +3V, f
CLK
= 2.4576MHz, and V
REF
=
+2.5V, unless otherwise specified.
ANALOG CURRENT vs TEMPERATURE
Temperature (
°
C)
C
μ
A
15
–
5
–
25
35
55
75
95
–
45
110
105
100
95
90
85
80
75
70
AVDD = 5V, f
CLK
= 4.9152MHz
AVDD = 3V, f
CLK
= 2.4576MHz
DIGITAL CURRENT vs TEMPERATURE
Temperature (
°
C)
C
μ
A
15
–
5
–
25
35
55
75
95
–
45
12
10
8
6
4
2
0
DVDD = 1.8V, f
CLK
= 2.4576MHz
DVDD = 3V, f
CLK
= 4.9152MHz
ANALOG CURRENT vs ANALOG SUPPLY
Analog Supply (V)
C
μ
A
3
3.5
4
4.5
5
5.5
2.5
94
92
90
88
86
84
82
80
f
CLK
= 4.9152MHz
f
CLK
= 2.4576MHz
DIGITAL CURRENT vs DIGITAL SUPPLY
Digital Supply (V)
C
μ
A
2
2.5
3
3.5
4
1.5
20
18
16
14
12
10
8
6
4
2
0
f
CLK
= 4.9152MHz
f
CLK
= 2.4576MHz
INTEGRAL NONLINEARITY vs V
IN
V
IN
(V)
I
1
–
1
–
3
3
5
–
5
3
2
1
0
–
1
–
2
–
3
T =
–
40
°
C
T = 25
°
C
AVDD = 5V, V
REF
= 2.5V
T = 85
°
C
INTEGRAL NONLINEARITY vs V
IN
V
IN
(V)
I
0.5
–
0.5
–
1.5
1.5
2.5
–
2.5
3
2
1
0
–
1
–
2
–
3
T = 25
°
C
T = 85
°
C
T =
–
40
°
C
AVDD = 3V, V
REF
= 1.25V
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| DS1244Y120 | 制造商:Maxim Integrated Products 功能描述: |
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