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PDF TC1023 Data sheet ( Hoja de datos )
| Número de pieza | TC1023 | |
| Descripción | (TC1024) PRECISION TEMPERATURE-TO-VOLTAGE CONVERTERS WITH SHUTDOWN MODE | |
| Fabricantes | TelCom Semiconductor | |
| Logotipo |  |
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PRECISION TEMPERATURE-TO-VOLTAGE
CONVERTERS WITH SHUTDOWN MODE
PRELIMINARY INFORMATION
TTCC110023
TTCC110024
PRECISION TEMPERATURE-TO-VOLTAGE CONVERTERS
WITH SHUTDOWN MODE
FEATURES
s Linearized Temperature-to-Voltage Converters
s Direct Centigrade Output Voltage Scaling (TC1023)
s Shutdown/Calibrate Mode
s Multi-Zone Temperature Sensing Capability
s Wide Temperature Measurement
Range (TC1024) ........................... – 20°C to +125°C
s Excellent Temperature Converter Linearity .. 0.8°C
Over Temperature
s High Temperature Converter Accuracy ......... ± 2°C
at 25°C Guaranteed
s Small Packages ......... 8-Pin SOIC and 8-Pin MSOP
APPLICATIONS
s Power Supply Thermal Shut-Down
s Temperature-Controlled Fans
s Temperature Measurement/Instrumentation
s Temperature Regulators
s Consumer Electronics
s Lithium Battery Temperature Monitor
GENERAL DESCRIPTION
The TC1023/1024 temperature sensors furnish a lin-
earized output voltage directly proportional to measured
temperature. The TC1023 has a temperature measure-
ment 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 resis-
tor 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 gen-
eral purpose temperature measurement applications.
TYPICAL APPLICATION
VCC = 2.2V to 12V
VCC VOUT
TC1023
GND CE
MICROCONTROLLER
A/D
CONVERTER
I/O LINE
ORDERING INFORMATION
Part No.
Package
Output
Voltage
At 25°C
TC1023VOA
TC1023VUA
TC1024VOA
TC1024VUA
8-Pin SOIC
8-Pin MSOP
8-Pin SOIC
8-Pin MSOP
250mV
250mV
750mV
750mV
Temp. Range
– 20°C to +100°C
– 20°C to +100°C
– 20°C to +125°C
– 20°C to +125°C
PIN CONFIGURATION
8-Pin SOIC
MSOP-8
VOUT
NC
NC
GND
1
2
3
4
TC1023VOA
TC1024VOA
8 VCC VOUT 1
8 VCC
7 NC
6 NC
NC
NC
GND
2
3
4
TC1023VUA
TC1024VUA
7 NC
6 NC
5 CE
5 CE
TC1023/1024-05 6/12/97 TelCom Semiconductor reserves the right to make changes in the circuitry and 1specifications of its devices.
1 page  
PRECISION TEMPERATURE-TO-VOLTAGE
CONVERTERS WITH SHUTDOWN MODE
PACKAGE DIMENSIONS
8-Pin SOIC
PIN 1
PRELIMINARY INFORMATION
TC1023
TC1024
.157 (3.99) .244 (6.20)
.150 (3.81) .228 (5.79)
.050 (1.27) TYP.
.197 (5.00)
.189 (4.80)
.069 (1.75)
.053 (1.35)
.018 (0.46) .010 (0.25)
.014 (0.36) .004 (0.10)
8°MAX.
.050 (1.27)
.016 (0.40)
8-Pin MSOP
PIN 1
.010 (0.25)
.007 (0.18)
.122 (3.10) .197 (5.00)
.114 (2.90) .187 (4.80)
TC1023/1024-05 6/12/97
.026 (0.65) TYP.
.122 (3.10)
.114 (2.90)
.043 (1.10)
MAX.
6°MAX.
.016 (0.40) .006 (0.15)
.010 (0.25) .002 (0.05)
.028 (0.70)
.016 (0.40)
5
.008 (0.20)
.005 (0.13)
Dimensions: inches (mm)
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet TC1023.PDF ] | |
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