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參數(shù)資料
| 型號(hào)： | FM51 |
| 廠商： | Fairchild Semiconductor Corporation |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | Low Voltage High Drive Temperature Sensor |
| 中文描述： | 低電壓高驅(qū)動(dòng)溫度傳感器 |
| 文件頁(yè)數(shù)： | 4/6頁(yè) |
| 文件大小： | 57K |
| 代理商： | FM51 |
4
F
www.fairchildsemi.com
FM51 Rev. C
Figure 1. FM51 Output Voltage vs. Temperature
Mounting
The FM51 can be easily mounted by gluing or cementing it to a
surface. In this case, its temperature will be within about 0.2
°
C of
the temperature of the surface it is attached to if the ambient air
temperature is almost the same as the surface temperature. If the
air temperature is much higher or lower than the surface tempera-
ture, the actual temperature of the FM51 die will be at an
intermediate temperature between the surface temperature and
the air temperature.
To ensure good thermal conductivity, the backside of the FM51 die
is directly attached to the GND pin. The lands and traces to the
FM51 will, of course, be part of the printed circuit board, which is
the object whose temperature is being measured. These printed
circuit board lands and traces will not cause the FM51’s tempera-
ture to deviate from the desired temperature.
Alternatively, the FM51 can be mounted inside a sealed-end metal
tube, and can then be dipped into a bath or screwed into a
threaded hole in a tank. As with any IC, the FM51 and accompa-
nying wiring and circuits must be kept insulated and dry to avoid
leak1ge and corrosion. This is especially true if the circuit may
operate at cold temperatures where condensation can occur.
Printed-circuit coatings and varnishes such as Humiseal and
epoxy paint or dips can be used to ensure that moisture cannot
corrode the FM51 or its connections.
-50 -40
-25
25
50
75
100
125
100
V
OUT
(mV)
Temperature ( C)
0
Temperature ( C) =
V
OUT
- 500 mV
10 mV/ C
500
1750
750
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