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PDF IL235Z Data sheet ( Hoja de datos )
| Número de pieza | IL235Z | |
| Descripción | TEMPERATURE SENSOR | |
| Fabricantes | INTEGRAL | |
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IL235Z
INTEGRATED CIRCUIT OF TEMPERATURE SENSOR
(analog LM235Z, SGS-Thomson)
Microcircuit IL235Z is precision temperature sensor with calibration
capacity . Microcircuit operates as Zener diode with brake down
voltage being in direct proportion to to absolute temperature (10
mV/OK). Full dynamic resistance of the circuit is less than 1 Оhm at
operation current 450 µА...5 mА. The sensor calibrated at the
temperature 25OС,has typical error less than 1OС in the temperature
range above 100OС. The peculiarity of the circuit IL235Z is the linear
dependence of output voltage versus temperature.
IC features
• calibration in OК
• initial measurement accuracy 1OK
• range of operating supply current from 450 µА to 5 mА
Full dynamic resistance less than 1 Оhm
Packaged IC type:
IL235Z, TO-92
Bottom view
Figure 1 - Package pin
definitions
Figure 2 - circuitry IL235Z.
Korzhenevskogo 12, Minsk, 220064, Republic of
Belarus
Fax: +375 (17) 278 28 22,
Phone: +375 (17) 278 07 11, 277 24 70, 277 24 61,
277 69 16
E-mail: [email protected]
URL: www.bms.by
1 page  
Heat conduction , (%)
IL235Z
Heat conduction, (%)
Time, (min)
Figure 11 – Time dependence of heat conduction in
still air
Time, (min)
Figure 12 – Time dependence of heat
conduction in agitated oil
Direct voltage, (V)
Direct current, (mА)
Figure 13 – Dependence of direct voltage on direct current
Information for application.
There is a simple technique of the device calibration for improving precision of temperature
measurement (see typical application circuits).
Calibration of the device occurs in one spot as the IC output voltage is proportional to absolute
temperature with sensor voltage extrapolation to 0 V at 0оК (-273,15оС). The errors in dependence
of output voltage on temperature are determined only by characteristic incline. Therefore bias
calibration at one temperature corrects errors in the whole temperature range. Output voltage of
calibrated or non calibrated circuit may be derived from the following equation:
VOT
=
VOTO
T
To
;
where Т – unknown temperature;
ТО – reference temperature (in оК).
Nominally IC output calibrated to the value 10 mV/ оК.
To ensure measurement precision they apply some rules. Degradation of the precision when
Korzhenevskogo 12, Minsk, 220064, Republic of
Belarus
Fax: +375 (17) 278 28 22,
Phone: +375 (17) 278 07 11, 277 24 70, 277 24 61,
277 69 16
E-mail: [email protected]
URL: www.bms.by
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet IL235Z.PDF ] | |
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