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LM35DMX Datasheet(PDF) 1 Page - Texas Instruments |
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LM35DMX Datasheet(HTML) 1 Page - Texas Instruments |
1 / 31 page LM35 +V S R1 V OUT tVS LM35 +VS (4 V to 20 V) OUTPUT 0 mV + 10.0 mV/°C Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM35 SNIS159F – AUGUST 1999 – REVISED JANUARY 2016 LM35 Precision Centigrade Temperature Sensors 1 Features 3 Description The LM35 series are precision integrated-circuit 1 • Calibrated Directly in Celsius (Centigrade) temperature devices with an output voltage linearly- • Linear + 10-mV/°C Scale Factor proportional to the Centigrade temperature. The • 0.5°C Ensured Accuracy (at 25°C) LM35 device has an advantage over linear temperature sensors calibrated in Kelvin, as the user • Rated for Full −55°C to 150°C Range is not required to subtract a large constant voltage • Suitable for Remote Applications from the output to obtain convenient Centigrade • Low-Cost Due to Wafer-Level Trimming scaling. The LM35 device does not require any external calibration or trimming to provide typical • Operates from 4 V to 30 V accuracies of ±¼°C at room temperature and ±¾°C • Less than 60- μA Current Drain over a full −55°C to 150°C temperature range. Lower • Low Self-Heating, 0.08°C in Still Air cost is assured by trimming and calibration at the • Non-Linearity Only ±¼°C Typical wafer level. The low-output impedance, linear output, and precise inherent calibration of the LM35 device • Low-Impedance Output, 0.1 Ω for 1-mA Load makes interfacing to readout or control circuitry especially easy. The device is used with single power 2 Applications supplies, or with plus and minus supplies. As the • Power Supplies LM35 device draws only 60 μA from the supply, it has very low self-heating of less than 0.1°C in still air. The • Battery Management LM35 device is rated to operate over a −55°C to • HVAC 150°C temperature range, while the LM35C device is • Appliances rated for a −40°C to 110°C range (−10° with improved accuracy). The LM35-series devices are available packaged in hermetic TO transistor packages, while the LM35C, LM35CA, and LM35D devices are available in the plastic TO-92 transistor package. The LM35D device is available in an 8-lead surface-mount small-outline package and a plastic TO-220 package. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TO-CAN (3) 4.699 mm × 4.699 mm TO-92 (3) 4.30 mm × 4.30 mm LM35 SOIC (8) 4.90 mm × 3.91 mm TO-220 (3) 14.986 mm × 10.16 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. Basic Centigrade Temperature Sensor Full-Range Centigrade Temperature Sensor (2°C to 150°C) Choose R1 = –VS / 50 µA VOUT = 1500 mV at 150°C VOUT = 250 mV at 25°C VOUT = –550 mV at –55°C 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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