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Numéro de référence | TC1133 | ||
Description | (TC1132 / TC1133) Consumer Grade Temperature to Voltage Converters | ||
Fabricant | Microchip Technology | ||
Logo | |||
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TC1132
TC1133
Consumer Grade Temperature-to-Voltage Converters
FEATURES
s Linearized Temperature-to-Voltage Converters
s Direct Centigrade Output Voltage Scaling (TC1133)
s Wide Temperature Measurement
Range (TC1132) ........................... – 20°C to +125°C
s Excellent Temperature Converter Linearity .. 0.8°C
Over Temperature
s High Temperature Converter
Accuracy at 25°C Guaranteed ......................... ±3°C
s Small Packages ................ TO-92-3 and SOT-23B-3
APPLICATIONS
s Power Supply Thermal Shut-Down
s Temperature-Controlled Fans
s Temperature Measurement/Instrumentation
s Temperature Regulators
s Consumer Electronics
FUNCTIONAL BLOCK DIAGRAM
GENERAL DESCRIPTION
The TC1132/33 temperature sensors furnish a linear-
ized output voltage directly proportional to measured tem-
perature. The TC1133 has a temperature measurement
range of – 20°C to +100°C. Its output voltage is directly
calibrated in degrees Centigrade (i.e. VOUT = 10mV/°C x
Temperature °C). An external pull-down resistor to a nega-
tive voltage source is required for temperature measure-
ment below 0°C.
The TC1132 has a temperature measurement range of
– 20°C to +125°C, and operates with a single supply. It has
the same output voltage slope with temperature as the
TC1133 (10mV/°C).
Small size, low cost and low power operation make the
TC1132/33 suitable for a wide range of general purpose
temperature measurement applications.
ORDERING INFORMATION
Part No.
Package
TC1132VNB SOT-23B-3
*TC1132VZB TO-92
TC1133VNB SOT-23B-3
TC1133VZB TO-92
* Contact factory for availability.
Output
Voltage
At 25°C
Temp. Range
750mV
750mV
250mV
250mV
– 20°C to +125°C
– 20°C to +125°C
– 20°C to +100°C
– 20°C to +100°C
VCC = 2.2V to 12V
VCC
VOUT
TC1133
GND
MICROCONTROLLER
A/D
CONVERTER
© 2001 Microchip Technology Inc. DS21359A
PIN CONFIGURATION
SOT-23B-3*
(Top View)
GND
3
TC1132VNB
TC1133VNB
1
VCC
2
VOUT
NOTE: *SOT-23B-3 is equivalent
to JEDEC (TO-236)
TO-92-3
1 23
TC1132VZB
TC1133VZB
TC1132/1133-3 4/9/98
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Pages | Pages 8 | ||
Télécharger | [ TC1133 ] |
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