EL8176 查看數據表（PDF） - Intersil
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EL8176 Datasheet PDF : 18 Pages
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EL8176
Typical Applications
R3 10kΩ
R2
K TYPE
THERMOCOUPLE
10kΩ
R4
100kΩ
+ V+
EL8176
- V-
+
5V
410µV/°C
R1
100kΩ
FIGURE 51. THERMOCOUPLE AMPLIFIER
Thermocouples are the most popular temperature-sensing
device because of their low cost, interchangeability, and
ability to measure a wide range of temperatures. The
EL8176 is used to convert the differential thermocouple
voltage into single-ended signal with 10X gain. The
EL8176's rail-to-rail input characteristic allows the
thermocouple to be biased at ground and the converter to
run from a single 5V supply.
15
FN7436.8
April 3, 2009
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