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PDF KK135Z Data sheet ( Hoja de datos )
| Número de pieza | KK135Z | |
| Descripción | Integrated circuit of temperature sensor | |
| Fabricantes | KODENSHI KOREA | |
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TECHNICAL DATA
Integrated circuit of temperature sensor
KK135Z
Microcircuit KK135Z 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 KK135Z 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:
KK135Z, КТ-26
Bottom view
Figure 1 - Package pin
definitions
Figure 2 - circuitry KK135Z.
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Heat conduction , (%)
KK135Z
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).
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet KK135Z.PDF ] | |
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