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參數(shù)資料
| 型號： | LM62CIM3 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | 2.7V, 15.6 mV/∑C SOT-23 Temperature Sensor |
| 中文描述： | 2.7，15.6毫伏/ΣCSOT - 23封裝溫度傳感器 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 218K |
| 代理商： | LM62CIM3 |
LM62
2.7V, 15.6 mV/C SOT-23 Temperature Sensor
General Description
The LM62 is a precision integrated-circuit temperature sen-
sor that can sense a 0C to +90C temperature range while
operating from a single +3.0V supply. The LM62’s output
voltage is linearly proportional to Celsius (Centigrade) tem-
perature (+15.6 mV/C) and has a DC offset of +480 mV.
The offset allows reading temperatures down to 0C without
the need for a negative supply. The nominal output voltage of
the LM62 ranges from +480 mV to +1884 mV for a 0C to
+90C temperature range. The LM62 is calibrated to provide
accuracies of
±
2.0C at room temperature and +2.5C/
2.0C over the full 0C to +90C temperature range.
The LM62’s linear output, +480 mV offset, and factory cali-
bration simplify external circuitry required in a single supply
environment where reading temperatures down to 0C is re-
quired. Because the LM62’s quiescent current is less than
130 μA, self-heating is limited to a very low 0.2C in still air.
Shutdown capability for the LM62 is intrinsic because its in-
herent low power consumption allows it to be powered di-
rectly from the output of many logic gates.
Features
n
Calibrated linear scale factor of +15.6 mV/C
n
Rated for full 0C to +90C range with 3.0V supply
n
Suitable for remote applications
Applications
n
Cellular Phones
n
Computers
n
Power Supply Modules
n
Battery Management
n
FAX Machines
n
Printers
n
HVAC
n
Disk Drives
n
Appliances
Key Specifications
n
Accuracy at 25C
±
2.0 or
±
3.0C
(max)
n
Temperature Slope
n
Power Supply Voltage Range
n
Current Drain
@
25C
n
Nonlinearity
n
Output Impedance
+15.6 mV/C
+2.7V to +10V
130 μA (max)
±
0.8C (max)
4.7 k
(max)
Connection Diagram
Ordering Information
Order
Number
SOT-23
Device
Marking
T7B
T7B
T7C
T7C
Supplied As
LM62BIM3
LM62BIM3X
LM62CIM3
LM62CIM3X
1000 Units on Tape and Reel
3000 Units on Tape and Reel
1000 Units on Tape and Reel
3000 Units on Tape and Reel
Typical Application
SOT-23
DS100893-1
Top View
See NS Package Number MA03B
DS100893-2
V
O
= (+15.6 mV/C x TC) + 480 mV
Temperature (T)
+90C
+70C
+25C
0C
Typical V
O
+1884 mV
+1572 mV
870 mV
+480 mV
FIGURE 1. Full-Range Centigrade Temperature Sensor
(0C to +90C) Stabilizing a Crystal Oscillator
June 1999
L
1999 National Semiconductor Corporation
DS100893
www.national.com
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| LM62EVAL | 功能描述:溫度傳感器開發(fā)工具 EVAL BOARDFOR LM62 RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:Temperature Sensors and Control ICs 工具用于評估:MSP430G2553 接口類型:USB 工作電源電壓: 工作電源電流: |
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