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LM135Z-LM235DT-LM235Z-LM335-LM335AD Fast Delivery,Good Price
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LM335STN/a2115avaiPrecision Temperature Sensor
LM335ADST ?N/a1800avaiPRECISION TEMPERATURE SENSORS
LM335ADTSTN/a5200avaiPRECISION TEMPERATURE SENSORS
LM335AZSTN/a55000avaiPrecision Temperature Sensor
LM335DSTMicroelectronicsN/a40000avaiPRECISION TEMPERATURE SENSORS
LM335DSTN/a40000avaiPRECISION TEMPERATURE SENSORS
LM335DTSTN/a28avaiPRECISION TEMPERATURE SENSORS
LM135ZSTN/a10000avaiPRECISION TEMPERATURE SENSORS
LM235DTSTN/a147avaiPRECISION TEMPERATURE SENSORS
LM235ZSTMN/a50000avaiPRECISION TEMPERATURE SENSORS


LM335AZ ,Precision Temperature SensorABSOLUTE MAXIMUM RATINGSSymbol Parameter LM135 LM235 LM335,A UnitCurrent mAI Reverse 15 15 15RI For ..
LM335AZ ,Precision Temperature SensorGeneral Description+100˚C. The LM135/LM235/LM335 are available packagedThe LM135 series are precisi ..
LM335D ,PRECISION TEMPERATURE SENSORSABSOLUTE MAXIMUM RATINGSSymbol Parameter LM135 LM235 LM335,A UnitCurrent mAI Reverse 15 15 15RI For ..
LM335D ,PRECISION TEMPERATURE SENSORSLM135LM235-LM335,APRECISION TEMPERATURE SENSORSo. DIRECTLY CALIBRATED IN Ko. 1 C INITIAL ACCURACY. ..
LM335DT ,PRECISION TEMPERATURE SENSORSLM135LM235-LM335,APRECISION TEMPERATURE SENSORSo. DIRECTLY CALIBRATED IN Ko. 1 C INITIAL ACCURACY. ..
LM335H ,Precision Temperature SensorGeneral Description+100˚C. The LM135/LM235/LM335 are available packagedThe LM135 series are precisi ..
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LM135Z-LM235DT-LM235Z-LM335-LM335AD-LM335ADT-LM335AZ-LM335D-LM335DT
PRECISION TEMPERATURE SENSORS
DIRECTLY CALIBRATED IN oK.1o C INITIAL ACCURACY. OPERATES FROM 450μA TO 5mA. LESS THAN 1Ω DYNAMIC IMPEDANCEDESCRIPTION
The LM135, LM235, LM335 are precision tempera-
ture sensors which can be easily calibrated. They
operate as a 2-terminal Zener and the breakdown
voltage is directly proportional to the absolute tem-
perature at 10mV/o K. The circuit has a dynamic im-
pedance of less than 1Ω and operates within a
range of current from 450μA to 5mA without altera-
tion of its characteristics. Calibrated at +25
LM135, LM235, LM335 have a typical error of less
than 1o C over a 100o C temperature range. Unlike
other sensors, the LM135, LM235, LM335 have a
PRECISION TEMPERATURE SENSORS
LM135
LM23 5-L M335 ,A
ORDER CODES
SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Note :
1. Tj ≤ 150oC
LM135-LM235-LM335,A

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TEMPERATURE ACCURACY
ELECTRICAL CHARACTERISTICS - (note 1)

Note : 1. Accuracy measurements are made in a well-stirred oil bath. For other conditions, self heating must be considered.
LM135-LM235-LM335,A

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LM135-LM235-LM335,A
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LM135-LM235-LM335,A
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APPLICATION HINTS
There is an easy method of calibrating the device for
higher accuracies (see typical applications).
The single point calibration works because the out-
put of the LM135, LM235, LM335 is proportional to
the absolute temperature with the extrapolated out-
put of sensor going to 0V at 0o K ( –273.15o C). Errors
in output voltage versus temperature are only slope.
Thus a calibration of the slope at one temperature
corrects errors at all temperatures.
The output of the circuit (calibrated or not) can be
given by the equation : VOT = VOTO x T
where T is the unknown temperature and TO is the
reference temperature (in oK).
Nominally the output is calibrated at 10mV/oK.
Precautions should be taken to ensure good sens-
ing accuracy. As in the case of all temperatures sen-
sors, self heating can decrease accuracy. The
LM135, LM235, LM335 should operate with a low
current, but sufficient to drive the sensor and its cali-
bration circuit to their maximum operating tempera-
ture.
If the sensor is used in surroundings where the ther-
mal resistane is constant, the errors due to self heat-
ing can be externally calibrated. This is possible if
the circuit is biased with a temperature stable cur-
rent. Heating will then be proportional to zener volt-
age and therefore temperature. In this way the error
due to self heating is proportional to the absolute
temperature as scale factor errors.
TYPICAL APPLICATIONS

BASIC TEMPERATURE SENSOR
WIDE OPERATING SUPPLY
CALIBRATED SENSOR
AVERAGE TEMPERATURE SENSING
LM135-LM235-LM335,A

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