參數(shù)資料
型號: FM20P5X
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
文件頁數(shù): 7/9頁
文件大?。?/td> 357K
代理商: FM20P5X
PRODUCT SPECIFICATION
FM20
REV. 1.0.6 1/9/03
7
Typical Applications (continued)
Figure 6. Thermostat/Fan Controller
Figure 7. Digital Temperature Output Through a Microcontroller
R
VD1
V
REF
R
HYST
V
OUT
V
CONTROL
R
VD2
R
V+
V+
V+
0.1
μ
F
V
TRIP
FM20
Shunt
Voltage Reference
V
OUT
V
HYST1
V
HYST2
V
CONTROL
V
REF
is set by the Shunt Voltage Reference. V
CONTROL
high is an alarm
state or control for activating cooling/fan.
(V
REF
)
(R
VD2
)
(R
VD2
)
(R
HYST
)
R
VD1
+
R
HYST
+ R
VD2
V
HYST2
=
(V
REF
)
(R
VD2
)
R
VD2
+
(R
VD1
)
(R
HYST
)
R
HYST
+ R
VD1
V
HYST1
=
Microcontroller
Analog
to
Digital
Converter
FM20
0.1
μ
F
Bypass
Cap
V
DD
GND
V
OUT
C
FILTER
R
FILTER
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