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LM50 Datasheet(PDF) 1 Page - Texas Instruments |
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LM50 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 16 page LM50, LM50-Q1 SNIS118E – JULY 1999 – REVISED SEPTEMBER 2013 LM50/LM50-Q1 SOT-23 Single-Supply Centigrade Temperature Sensor Check for Samples: LM50, LM50-Q1 1 FEATURES DESCRIPTION The LM50/LM50-Q1 is a precision integrated-circuit 2 • Calibrated Directly in Degree Celsius temperature sensor that can sense a −40°C to (Centigrade) +125°C temperature range using a single positive • Linear + 10.0 mV/°C Scale Factor supply. The LM50/LM50-Q1's output voltage is • ±2°C Accuracy Specified at +25°C linearly proportional to Celsius (Centigrade) temperature (+10 mV/°C) and has a DC offset of • Specified for Full −40° to +125°C range +500 mV. The offset allows reading negative • Suitable for Remote Applications temperatures without the need for a negative supply. • Low Cost Due to Wafer-level Trimming The ideal output voltage of the LM50/LM50-Q1 ranges from +100 mV to +1.75V for a −40°C to • Operates from 4.5V to 10V +125°C temperature range. The LM50/LM50-Q1 does • Less than 130 μA Current Drain not require any external calibration or trimming to • Low Self-heating, Less than 0.2°C in Still Air provide accuracies of ±3°C at room temperature and ±4°C over the full −40°C to +125°C temperature • Nonlinearity Less than 0.8°C Over Temp range. Trimming and calibration of the LM50/LM50- • LM50Q is AEC-Q100 Grade 1 qualified and is Q1 at the wafer level assure low cost and high manufactured on an Automotive Grade flow. accuracy. The LM50/LM50-Q1's linear output, +500 • UL Recognized Component mV offset, and factory calibration simplify circuitry required in a single supply environment where reading negative temperatures is required. Because APPLICATIONS the LM50/LM50-Q1's quiescent current is less than • Automotive 130 μA, self-heating is limited to a very low 0.2°C in • Computers still air. • Disk Drives • Battery Management • Automotive • FAX Machines • Printers • Portable Medical Instruments Figure 1. SOT-23 Pin Out • HVAC Top View • Power Supply Modules See Package Number DBZ0003A Figure 2. Full-Range Centigrade Temperature Sensor Application ( −40°C to +125°C) 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. 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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