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參數資料
| 型號： | ADT7518ARQZ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | SPI/I2C Compatible, Temperature Sensor, 4-Channel ADC and Quad Voltage Output DAC |
| 中文描述： | DIGITAL TEMP SENSOR-SERIAL, 10BIT(s), 5Cel, RECTANGULAR, SURFACE MOUNT |
| 封裝： | LEAD FREE, MO-137-AB, QSOP-16 |
| 文件頁數： | 13/40頁 |
| 文件大小： | 1217K |
| 代理商： | ADT7518ARQZ |
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ADT7518
Rev. A | Page 13 of 40
SOURCE CURRENT
SINK CURRENT
2.505
D
2.465
2.470
2.475
2.480
2.485
2.490
2.495
2.500
0
1
2
3
CURRENT (mA)
4
5
6
V
DD
= 5V
V
= 5V
DAC OUTPUT
LOADED TO MIDSCALE
0
Figure 16. DAC V
OUT
Source and Sink Current Capability
0
–40
120
100
80
60
40
20
TEMPERATURE (
°
C)
0
–20
E
–1.8
–1.6
–1.4
–1.2
–1.0
–0.8
–0.6
–0.4
–0.2
OFFSET ERROR
GAIN ERROR
0
Figure 17. Supply Current vs. DAC Code
0
2.00
2.7
3.1
3.5
3.9
4.3
4.7
5.1
2.9
3.3
3.7
4.1
4.5
4.9
5.3 5.5
V
CC
(V)
I
C
1.75
1.80
1.85
1.90
1.95
ADC OFF
DAC OUTPUTS AT 0V
Figure 18. Supply Current vs. Supply Voltage @ 25°C
0
7
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
V
CC
(V)
I
C
0
1
2
3
4
5
6
Figure 19. Power-Down Current vs. Supply Voltage @ 25°C
4.0
0
2
4
6
8
1
TIME (
μ
s)
D
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
0
Figure 20. DAC Half-Scale Settling (1/4 to 3/4 Scale Code Change)
1.8
D
0.8
1.0
1.2
1.4
1.6
0.6
0
2
4
TIME (
μ
s)
6
8
0.4
0.2
0
10
0
Figure 21. Exiting Power-Down to Midscale
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