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TC1023

Part Number	TC1023
Manufacturer	TelCom Semiconductor
Description	(TC1024) PRECISION TEMPERATURE-TO-VOLTAGE CONVERTERS WITH SHUTDOWN MODE
Published	Aug 23, 2005
Detailed Description	PRECISION TEMPERATURE-TO-VOLTAGE CONVERTERS WITH SHUTDOWN MODE PRELIMINARY INFORMATION TC1023 TC1023 TC1024 TC1024 PRE...
Datasheet	TC1023 PDF File

Overview

PRECISION TEMPERATURE-TO-VOLTAGE CONVERTERS WITH SHUTDOWN MODE PRELIMINARY INFORMATION TC1023 TC1023 TC1024 TC1024 PRECISION TEMPERATURE-TO-VOLTAGE CONVERTERS WITH SHUTDOWN MODE FEATURES s s s s s s s s Linearized Temperature-to-Voltage Converters Direct Centigrade Output Voltage Scaling (TC1023) Shutdown/Calibrate Mode Multi-Zone Temperature Sensing Capability Wide Temperature Measurement Range (TC1024) .
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– 20°C to +125°C Excellent Temperature Converter Linearity .
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0.
8°C Over Temperature High Temperature Converter Accuracy .
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± 2°C at 25°C Guaranteed Small Packages .
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8-Pin SOIC and 8-Pin MSOP GENERAL DESCRIPTION The TC1023/1024 temperature sensors furnish a linearized output voltage directly proportional to measured temperature.
The TC1023 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 negative voltage source is required for temperature measurement below 0°C.
The TC1024 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 TC1023 (10mV/°C).
The output voltage range is 100mV at – 20°C to 1,750mV at +125°C.
Both devices have a chip enable input that reduces supply current to 1µA (typical) when pulled active high.
In this state, the output defaults to a high resistance allowing an external reference voltage to be directly connected for A/D calibration.
Small size, low cost, flexibility and low power operation make the TC1023/1024 suitable for a wide range of general purpose temperature measurement applications.
APPLICATIONS s s s s s s Power Supply Thermal Shut-Down Temperature-Controlled Fans Temperature Measurement/Instrumentation Temperature Regulators Consumer Electronics Lithium Battery Temperature Monitor TYPICAL APPLICATION ORDERING INFORMATION Output Voltage At 25°C 2...

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