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LM45CIM3X bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LM45CIM3X bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 18 page LM45 www.ti.com SNIS117C – AUGUST 1999 – REVISED FEBRUARY 2013 LM45 SOT-23 Precision Centigrade Temperature Sensors Check for Samples: LM45 1 FEATURES DESCRIPTION The LM45 series are precision integrated-circuit 2 • Calibrated Directly in ° Celsius (Centigrade) temperature sensors, whose output voltage is linearly • Linear + 10.0 mV/°C Scale Factor proportional to the Celsius (Centigrade) temperature. • ±3°C Accuracy Guaranteed The LM45 does not require any external calibration or trimming to provide accuracies of ±2°C at room • Rated for Full −20° to +100°C Range temperature and ±3°C over a full −20 to +100°C • Suitable for Remote Applications temperature range. Low cost is assured by trimming • Low Cost Due to Wafer-Llevel Trimming and calibration at the wafer level. The LM45's low output impedance, linear output, and precise inherent • Operates from 4.0V to 10V calibration make interfacing to readout or control • Less than 120 μA Current Drain circuitry especially easy. It can be used with a single • Low Self-Heating, 0.20°C in Still Air power supply, or with plus and minus supplies. As it draws only 120 μA from its supply, it has very low • Nonlinearity Only ±0.8°C Max Over Temp self-heating, less than 0.2°C in still air. The LM45 is • Low Impedance Output, 20 Ω for 1 mA Load rated to operate over a −20° to +100°C temperature range. APPLICATIONS • Battery Management Connection Diagram • FAX Machines • Printers • Portable Medical Instruments • HVAC • Power Supply Modules Figure 1. SOT-23 • Disk Drives Top View • Computers Package Number DBZ0003A • Automotive 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 1999–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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