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LM20SITLX Arkusz danych(PDF) 1 Page - Texas Instruments |
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LM20SITLX Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 18 page LM20 www.ti.com SNIS106P – DECEMBER 1999 – REVISED FEBRUARY 2013 LM20 2.4V, 10µA, SC70, DSBGA Temperature Sensor Check for Samples: LM20 1 FEATURES DESCRIPTION 2 • Rated for full −55°C to +130°C range The LM20 is a precision analog output CMOS • Available in an SC70 and DSBGA package integrated-circuit temperature sensor that operates • Predictable Curvature Error over a −55°C to 130°C temperature range. The power supply operating range is 2.4 V to 5.5 V. The • Suitable for Remote Applications transfer function of LM20 is predominately linear, yet has a slight predictable parabolic curvature. The APPLICATIONS accuracy of the LM20 when specified to a parabolic • Cellular Phones transfer function is ±1.5°C at an ambient temperature of 30°C. The temperature error increases linearly and • Computers reaches a maximum of ±2.5°C at the temperature • Power Supply Modules range extremes. The temperature range is affected • Battery Management by the power supply voltage. At a power supply • FAX Machines voltage of 2.7 V to 5.5 V the temperature range extremes are 130°C and −55°C. Decreasing the • Printers power supply voltage to 2.4 V changes the negative • HVAC extreme to −30°C, while the positive remains at • Disk Drives 130°C. • Appliances The LM20 quiescent current is less than 10 μA. Therefore, self-heating is less than 0.02°C in still air. KEY SPECIFICATIONS Shutdown capability for the LM20 is intrinsic because its inherent low power consumption allows it to be • Accuracy at 30°C ±1.5 to ±4 °C (max) powered directly from the output of many logic gates • Accuracy at 130°C and −55°C ±2.5 to ±5 °C or does not necessitate shutdown at all. (max) • Power Supply Voltage Range 2.4 to 5.5 V • Current Drain 10 μA (max) • Nonlinearity ±0.4% (typ) • Output Impedance 160 Ω (max) • Load Regulation 0 μA < IL< 16 μA −2.5 mV (max) 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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