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參數(shù)資料
| 型號： | LM73 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | 2.7V, SOT-23, 11-to-14 Bit Digital Temperature Sensor with 2-Wire Interface |
| 中文描述： | 為2.7V，采用SOT - 23，11至14位數(shù)字溫度傳感器，2線接口 |
| 文件頁數(shù)： | 4/18頁 |
| 文件大小： | 732K |
| 代理商： | LM73 |
Absolute Maximum Ratings
(Note 2)
Supply Voltage
Voltage at Any Pin
Input Current at Any Pin (Note 3)
Storage Temperature
ESD Susceptibility (Note 5)
Human Body Model
Machine Model
Soldering process must comply with National
Semiconductor’s Reflow Temperature Profile
specifications. Refer to www.national.com/packaging.
(Note 4)
0.3 V to 6.0 V
0.3 V to (V
DD
+ 0.5 V)
±
5 mA
65C to +150C
2000 V
200 V
Operating Ratings
(Note 2)
Specified Temperature Range
T
MIN
≤
T
A
≤
T
MAX
-40C
≤
T
A
≤
+150C
+2.7V to +5.5V
Supply Voltage Range (V
DD
)
Temperature-to-Digital Converter Characteristics
Unless otherwise noted, these specifications apply for V
= 2.7V to 5.5V.
Boldface limits apply for T
= T
=T
to T
MAX
;
all other limits T
A
= T
J
= +25C, unless otherwise noted. T
A
is the ambient temperature. T
J
is the junction temperature.
Parameter
Conditions
Typical
(Note 6)
Limits
(Note 7)
±
1.0
±
1.5
±
2.0
±
1.5
±
2.0
±
2.5
Units
(Limit)
C (max)
C (max)
C (max)
C (max)
C (max)
C (max)
Bits
C/LSB
Bits
C/LSB
Bits
C/LSB
Bits
C/LSB
ms (max)
ms (max)
ms (max)
ms (max)
μA (max)
μA (max)
μA (max)
V (min)
Accuracy (Note 8)
V
DD
= 2.7V to
V
DD
= 4.5V
T
A
= 10C to 80C
T
A
= 25C to 115C
T
A
= 40C to 150C
T
A
= 10C to 80C
T
A
= 25C to 115C
T
A
= 40C to 150C
V
DD
>
4.5V to
V
DD
= 5.5V
Resolution
RES1 Bit = 0, RES0 Bit = 0
11
0.25
12
0.125
13
0.0625
14
0.03125
10.1
20.2
40.4
80.8
320
120
1.9
RES1 Bit = 0, RES0 Bit = 1
RES1 Bit = 1, RES0 Bit = 0
RES1 Bit = 1, RES0 Bit = 1
Temperature Conversion
Time (Note 9)
RES1 Bit = 0, RES0 Bit = 0
RES1 Bit = 0, RES0 Bit = 1
RES1 Bit = 1, RES0 Bit = 0
RES1 Bit = 1, RES0 Bit = 1
Continuous Conversion Mode, SMBus inactive
Shutdown, bus-idle timers on
Shutdown, bus-idle timers off
Measured on V
DD
input, falling edge
14
28
56
112
495
175
8
0.9
Quiescent Current
Power-On Reset
Threshold
L
www.national.com
4
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