LM135 DATASHEET PDF

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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Adjust R1 for the voltage across R3 equal to the Seebeck Coefficient times ambient temperature in degrees Kelvin. The circuit output calibrated or not can be given.

Precision Temperature Sensor

To lessen the affect of airflow, ensure that the wiring to the LM leads darasheet wires connected to the leads is held satasheet the same temperature as the surface temperature that is targeted for measurement. Products Applications Audio www. Adjust R1 for correct output. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.

In datashet application note the reader can get information regarding sensors, temperature controller, differential thermometer, fahrenheit tempera Calibrated Error Figure 3. Response Time Figure 5. For optimum accuracy, a one point calibration is recommended. TI is not responsible or liable for any such statements.

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.

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This makes the self-heating error proportional to absolute temperature the same as scale factor errors. The low impedance and linear output make interfacing to readout or control circuitry especially easy. Dynamic Impedance Figure 6.

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

Reverse Voltage Change Ddatasheet 2. Remove short across thermocouple. 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.

A pot connected across the LM with the arm tied to the adjustment terminal as shown in Figure 12 allows a 1-point calibration of the sensor that corrects for inaccuracy over the full temperature range.

National Semiconductor

Inside the datasheet you can read information such as temperature sensor, range, temperature, ambient temperature, and ratasheet temperature sensors. This datasheet contains information related to package information, voltage, cold junction compensation, calibration, precision temperature s Mounting the Sensor at the End of a Cable Basic Temperature Sensor 8.

The LM should be operated at the lowest current suitable for the application. For other conditions, self heating must be considered. 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.

LM Datasheet(PDF) – National Semiconductor (TI)

Except where mandated by applicable law, testing of all parameters of each component is not necessarily performed. Simple Temperature Control Adjust for 2. The LM is inserted into the tubing about 0. The temperature sensed by the TO92 package could greatly depend on velocity of the airflow as well. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.

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Use of such information may require a license from a third party under the patents or other intellectual property of the third party, or a license from TI under the patents or other intellectual property of TI. Testing and other quality control techniques are used to the extent TI deems datasheey to support this warranty. Adjust R2 for voltage across R4 corresponding to thermocouple.

Calibrated Error at Extended Temperature. Short LM and adjust R2 for voltage across R3 corresponding to thermocouple type. Leave a Reply Cancel reply Your email address will not be published. They operate as a 2-terminal Zener and the break.

Customers should validate and test their design implementation to confirm system functionality. Reverse Characteristics Figure 4. Efficient temperature transfer assumes that the ambient air temperature is almost the same as the surface temperature where the LM leads are attached.

Thus a calibration of the. The circuit has a dynamic impedance of less than. Not recommended for new designs. Your email address will not be published. TI’s terms “Lead-Free” or “Pb-Free” mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.

The datasheet contains fatasheet related to temperature range, accuracy, temperature error, and sensor. Pin Configuration and Functions