The LM series are precision, easily-calibrated, integrated circuit temperature products and disclaimers thereto appears at the end of this data sheet. The LM series are precision easily-calibrated integrat- ed circuit temperature sensors Operating as a 2-terminal zener the LM has a breakdown voltage. LESS THAN 1Ω DYNAMIC IMPEDANCE. DESCRIPTION. The LM, LM, LM are precision tempera- ture sensors which can be easily calibrated. They.

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Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. Thermal Time Constant Figure 9. Datxsheet short across thermocouple. TI is not responsible or liable for any such statements.

JavaScript is required to post comments. Sufficient current, of course, must be available to drive both the sensor and the calibration pot at the maximum operating temperature as well as any external loads. Adjust R1 for the voltage across R3 equal to the Seebeck Coefficient times ambient temperature in lm15 Kelvin.

Inside the datasheet you can read information such as temperature sensor, range, temperature, ambient temperature, and precision temperature sensors. Minimizing the current variation through the LM will provide for the best accuracy. The circuit has a dynamic impedance of less than. The voltage appearing across the positive and negative terminals of the device at specified conditions of operating temperature and current. Apply signal in place of thermocouple and adjust R3 for a gain of Accuracy measurements are made in a well-stirred oil bath.

The LM dtasheet be operated at the lowest current suitable for the application. In some cases, TI components may be promoted specifically to facilitate safety-related applications.


Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failures, monitor failures and their consequences, lessen the likelihood of failures that might cause harm and dataxheet appropriate remedial actions. Ground Referred Fahrenheit Thermometer Figure Below are selected from the datasheet:. Select R3 and R4 for thermocouple type 2.

LM LM LM Datasheet

Your email address will not be published. To lessen the affect of airflow, ensure that the wiring to the LM leads and wires connected to the leads is held at the same temperature as the surface temperature that is targeted for measurement. Soldering process must comply with the Reflow Temperature Profile specifications. Output Voltage Temperature Drift. Centigrade Calibrated Thermocouple Thermometer Figure The temperature sensed by the TO92 package could greatly depend on velocity of the airflow as well.

Temperature Error with 25? TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Mounting the Sensor at the End of a Cable This makes the self-heating error proportional to absolute temperature the same as dqtasheet factor errors.

LM datasheet, LM datasheets, manuals for LM electornic semiconductor part

Device is in production to support existing customers, but TI does not recommend using this part in a new design. Pin Configuration and Functions Efforts are underway to better integrate information from third parties. In the application note the reader can get information regarding sensors, temperature controller, differential thermometer, fahrenheit tempera Reproduction of significant portions of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties, conditions, limitations, and notices.


Adjust R1 for correct output. If there is a great difference between the air temperature and the surface temperature, the actual temperature of the LM die would be at an intermediate temperature between the two temperatures.

Datasheet – Texas Instruments

Couple D2 to battery. This component has a RoHS exemption for either 1 lead-based flip-chip solder bumps used between the die and package, or 2 lead-based die adhesive used between the die and leadframe.

Compensates for both sensor and resistor tolerances 1. Heating will then be proportional to zener voltage and therefore temperature. To insure that the temperature of the LM die is not affected by the air temperature, mechanically connect the LM leads with a bead of epoxy to the surface being measured.

These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Differential Temperature Sensor Figure The LM is inserted into the tubing about 0. Samples may or may not be available. Products Applications Audio www.

Cable Connected Temperature Sensor Table 2. Reverse Voltage Change Figure 2. This information is the most current data available for the designated devices.

Thus a calibration of the. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. A to l1m35 without alteration of its characteris. Errors in output voltage versus temperature are only slope or scale factor errors so a slope calibration at one temperature corrects at all temperatures.

Unlike other sensors, the.