资料介绍
Sensing temperature and comparing that temperature
to preset limits is the basis for a variety of problems that
designers face in system design and process control.
Conventional temperature sensing solutions, such as
thermocouples and RTDs, require additional electronic
components to linearize and amplify their low-level out-
puts. Since electronic components are already in the
circuit, semiconductor manufacturers have begun add-
ing temperature sensing functions to their amplifier and
reference circuits. The result has been a new genera-
tion of small, easy-to-use temperature sensing
products.M AN762
Applications of the TC62X Solid-State Temperature Sensors
option (i.e. to turn on a fan at the high limit) and an ‘H’,
Author: Wes Freeman or Heat, option (i.e. to keep a heater on until the high
Microchip Technology Inc. limit is reached).
INTRODUCTION
8 VCC
Sensing temperature and comparing that temperature 1.2V t°(PTC)
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