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參數(shù)資料
| 型號(hào)： | LM45BIM3 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | SOT-23 Precision Centigrade Temperature Sensors |
| 中文描述： | 采用SOT - 23精密攝氏溫度傳感器 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 215K |
| 代理商： | LM45BIM3 |
Absolute Maximum Ratings
(Note 1)
Supply Voltage
Output Voltage
+12V to 0.2V
+V
S
+ 0.6V to
1.0V
10 mA
Output Current
Storage Temperature
Lead Temperature:
SOT Package (Note 2):
Vapor Phase (60 seconds)
Infrared (15 seconds)
ESD Susceptibility (Note 3):
Human Body Model
Machine Model
Electrical Characteristics
Unless otherwise noted, these specifications apply for +V
= +5Vdc and I
= +50 μA, in the circuit of Figure 2 These
specifications also apply from +2.5C to T
in the circuit of Figure 1 for +V
S
= +5Vdc.
Boldface limits apply for T
A
= T
J
=
T
MIN
to T
MAX
; all other limits T
A
= T
J
= +25C, unless otherwise noted.
Parameter
Conditions
65C to +150C
215C
220C
2000V
250V
Operating Ratings
(Note 1)
Specified Temperature Range
(Note 4)
LM45B, LM45C
Operating Temperature Range
LM45B, LM45C
Supply Voltage Range (+V
S
)
T
MIN
to T
MAX
20C to +100C
40C to +125C
+4.0V to +10V
LM45B
LM45C
Units
(Limit)
Typical
Limit
(Note 5)
±
2.0
±
3.0
±
3.0
±
0.8
Typical
Limit
(Note 5)
±
3.0
±
4.0
±
4.0
±
0.8
Accuracy
(Note 6)
T
A
=+25C
T
A
=T
MAX
T
A
=T
MIN
T
MIN
≤
T
A
≤
T
MAX
C (max)
C (max)
C (max)
C (max)
Nonlinearity
(Note 7)
Sensor Gain
(Average Slope)
Load Regulation (Note 8)
T
MIN
≤
T
A
≤
T
MAX
+9.7
+10.3
±
35
+9.7
+10.3
±
35
mV/C (min)
mV/C (max)
mV/mA
(max)
mV/V (max)
mV/V (max)
μA (max)
μA (max)
μA (max)
0
≤
I
L
≤
+1 mA
Line Regulation
(Note 8)
Quiescent Current
(Note 9)
Change of Quiescent
Current (Note 9)
Temperature Coefficient
of Quiescent Current
Minimum Temperature
for Rated Accuracy
Long Term Stability (Note 10)
+4.0V
≤
+V
S
≤
+10V
±
0.80
±
1.2
120
160
2.0
±
0.80
±
1.2
120
160
2.0
+4.0V
≤
+V
S
≤
+10V, +25C
+4.0V
≤
+V
S
≤
+10V
4.0V
≤
+V
S
≤
10V
+2.0
+2.0
μA/C
In circuit of
Figure 1 I
L
=0
T
J
=T
MAX
, for 1000 hours
+2.5
+2.5
C (min)
±
0.12
±
0.12
C
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. DC and AC electrical specifications do not apply when operating
the device beyond its rated operating conditions.
Note 2:
See AN-450 “Surface Mounting Methods and Their Effect on Product Reliability” or the section titled “Surface Mount” found in a current National Semicon-
ductor Linear Data Book for other methods of soldering surface mount devices.
Note 3:
Human body model, 100 pF discharged through a 1.5 k
resistor. Machine model, 200 pF discharged directly into each pin.
Note 4:
Thermal resistance of the SOT-23 package is 260C/W, junction to ambient when attached to a printed circuit board with 2 oz. foil as shown in Figure 3
Note 5:
Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 6:
Accuracy is defined as the error between the output voltage and 10 mv/C times the device’s case temperature, at specified conditions of voltage, current,
and temperature (expressed in C).
Note 7:
Nonlinearity is defined as the deviation of the output-voltage-versus-temperature curve from the best-fit straight line, over the device’s rated temperature
range.
Note 8:
Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output due to heating effects can be com-
puted by multiplying the internal dissipation by the thermal resistance.
Note 9:
Quiescent current is measured using the circuit of Figure 1
Note 10:
For best long-term stability, any precision circuit will give best results if the unit is aged at a warm temperature, and/or temperature cycled for at least 46
hours before long-term life test begins. This is especially true when a small (Surface-Mount) part is wave-soldered; allow time for stress relaxation to occur.
www.national.com
2
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| LM45BIM3/NOPB | 功能描述:板上安裝溫度傳感器 PREC CENTIGRADE TEMP SENSOR RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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| LM45BIM3X/NOPB | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| LM45C | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SOT-23 Precision Centigrade Temperature Sensors |
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