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LM135A

Texas Instruments
Part Number LM135A
Manufacturer Texas Instruments
Description Precision Temperature Sensors
Published Nov 11, 2019
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM135, LM135A, LM235, LM235A, ...
Datasheet PDF File LM135A PDF File

LM135A
LM135A

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM135, LM135A, LM235, LM235A, LM335, LM335A SNIS160E – MAY 1999 – REVISED FEBRUARY 2015 LMx35, LMx35A Precision Temperature Sensors 1 Features •1 Directly Calibrated to the Kelvin Temperature Scale • 1°C Initial Accuracy Available • Operates from 400 μA to 5 mA • Less than 1-Ω Dynamic Impedance • Easily Calibrated • Wide Operating Temperature Range • 200°C Overrange • Low Cost 2 Applications • Power Supplies • Battery Management • HVAC • Appliances 3 Description The LM135 series are precision, easily-calibrated, integrated circuit temperature sensors.
Operating as a 2-terminal zener, the LM135 has a breakdown voltage directly proportional to absolute temperature at 10 mV/°K.
With less than 1-Ω dynamic impedance, the device operates over a current range of 400 μA to 5 mA with virtually no change in performance.
When calibrated at 25°C, the LM135 has typically less than 1°C error over a 100°C temperature range.
Unlike other sensors, the LM135 has a linear output.
Applications for the LM135 include almost any type of temperature sensing over a −55°C to 150°C temperature range.
The low impedance and linear output make interfacing to readout or control circuitry are especially easy.
The LM135 operates over a −55°C to 150°C temperature range while the LM235 operates over a −40°C to 125°C temperature range.
The LM335 operates from −40°C to 100°C.
The LMx35 devices are available packaged in hermetic TO transistor packages while the LM335 is also available in plastic TO-92 packages.
Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) LM135 LM135A TO-46 (3) 4.
699 mm × 4.
699 mm LM235 LM235A TO-92 (3) 4.
30 mm × 4.
30 mm LM335 LM335A SOIC (8) 4.
90 mm × 3.
91 mm (1) For all available packages, see the orderable addendum at the end of the datasheet.
Basic Temperature Sensor Simplified Schematic Calibrated Sensor 1 An IMPORTANT NOTICE at the end of this data sheet addres...


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