LM3911 DATASHEET PDF

LM Datasheet PDF Download – LM Temperature Controller, LM data sheet. (1) For all available packages, see the orderable addendum at the end of the datasheet. Basic Temperature Sensor Simplified Schematic. Calibrated Sensor. 1 . LM National Semiconductor datasheet pdf data sheet FREE Datasheets ( data sheet) search for integrated circuits (ic), semiconductors and other electronic .

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V z e Shunt regulator voltage use 6 This should create a water-tight seal. Sealing the assembled temperature sensor in the tube.

LM Datasheet(PDF) – National Semiconductor (TI)

This kit provides the necessary components, including the new aluminum tube, to build a replacement temperature sensor that can be directly substituted for the original temperature sensors that were used on the above kits. The LM was a single chip that would output a 10 mV change for every degree of change in temperature.

Original Heathkit sensor top and new replacement unit below. To begin the assembly it will be necessary to remove the old sensor by cutting the existing cable approximately 6 inches from the existing sensor.

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All that remains is to attach the new board to the old cable, and seal the completed assembly with silicon seal. Ground Referred Centigrade Thermometer. Selected as for meter thermometer except T O should. If you no longer have the original manual, we have replacement manuals available for some kits at: The circuit was taken directly from the National LM datasheet. The LM is a highly accurate temperature measurement.

Select I Q s R1. Y Internal op amp with frequency compensation. An active shunt regulator is connected across the power.

V z e Shunt regulator voltage. V Z e Zener voltage V. Thermometer With Meter Output. Follow the calibration instructions lj3911 your particular kit.

Datasheet «LM3911»

D T e Meter temperature span K. The Heathkit part number of the module was typically a or a V O e Full scale output voltage s 10V. Temp Sensor board attached to old cable end. The LM is available in two package styles a metal can. Two Daatasheet Temperature to Current Transducer. The input bias current is low and relatively constant with. The LM uses the difference in emitter-base voltage of. Y Internal stable voltage reference.

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Assembled and Tested Temperature Sensor. The output voltage of the LM is directly proportional to. Unfortunately the LM is no longer available and even small quantities have disappeared from surplus dealer’s and distributor’s shelves.

D T e Temperature span K. LM to the temperature souce The LM is rated for.

Now that the probe is electrically attached to the cable, it is necessary to mechanically secure the probe and wire into the sensor housing. Y Output can drive loads up to 35V. Note 3 Either V b or V a can be ground. Meter Thermometer With Trimmed Output. Stand the probe on end and allow all of the silicon seal to cure completely.