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參數(shù)資料
| 型號(hào)： | FM20 |
| 廠商： | Fairchild Semiconductor Corporation |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | Ultra-Low-Power Analog Temperature Sensor |
| 中文描述： | 超低功耗模擬溫度傳感器 |
| 文件頁(yè)數(shù)： | 1/9頁(yè) |
| 文件大小： | 357K |
| 代理商： | FM20 |
www.fairchildsemi.com
REV. 1.0.6 1/9/03
Features
Analog Output, -11.77mV/°C
Range, -55 to 130°C
Accuracy, ±1°C at 25°C
Supply Current, 9μA typical
Output Drive, 1μA
Self-heating < 0.021°C
Operating Voltage: +2.4V to +6V
Applications
Mobile Phones
Computers
Battery Management
Office Equipment
HVAC
Power Supply Modules
Disk Drives
Automotive
Description
As a precision CMOS temperature sensor, the FM20 is
cost-effective for accurate low-power temperature
monitoring applications. Output voltage versus temperature
is extremely linear. With no load, the supply current is
typically 1μA. For normal operation, the load on V
should be 5M
or less.
OUT
In a typical application, a remotely mounted FM20 is
monitored by a microcontroller with an analog A/D
converter input. Alternatively, the FM20 can drive a
comparator with a high impedance input.
Accuracy is typically ±1°C at room temperature; and better
than ±2.5°C from 0 to 50°C.
Available packages are surface mount 5-pin SC70 and 3-pin
SOT-23.
Thermal Response
FM20 Output Voltage vs. Temperature
25
50
75
100
125
-25
-50 -40
0
1863.9
391
V
OUT
(mV)
Temperature (C)
Temperature (C) =V
OUT
– 1863.9mV
–11.77mV/C
FM20
Ultra-Low-Power Analog Temperature Sensor
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