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The LM35 series are precision integrated-circuit temperature sensors, whose output voltage is linearty proportional to the Celsius (Centigrade) temperature. The LM35 thus has an advantage over linear temperature sensors calibrated in' Kelvin, as the user is not required to subtract a large constant voltage from its output to obtain convenient Centi-grade scaling. The LM35 does not require any external calibration or trimming to provide typical accuracies of+-V%'C at room temperature and+-%'C over a full -55 to +150'C temperature range. Low cost is assured by timming and calibration at the wafer level. The LM35's low output imped-ance, linear output, and precise inherent calibration make interfacing to readout or control circuitry especially easy. It can be used with single power supplies, or with plus and minus supplies. As it draws only 60 μA from its supply. it has very low self-heating, less than 0.1"C in stil air. The LM35 is rated to operate over a -55* to +150'C temperature range, while the LM35C is rated for a -40* to +110'C range (-10° with improved accuracy). The LM35 series is available pack-aged in hermetic TO-46 transistor packages, while the LM35C,LM35CA, and LM35D are also available in the plastic TO-92 transistor package. The LM35D is also avail-able in an 8-lead surface mount small outine package and a plastic TO-220 package.
Calibrated directly in.Celsius (Centigrade)
Linear + 10.0 mVrC scale factor
0.5'C accuracy guaranteeable (at +25'C)
Rated for full -55* to +150'C range
Suitable for remote applications
Low cost due to wafer-level trimming
Operates from 4 to 30 volts
Less than 60 μA current drain
Low self-heating, 0.08'C in still air
Nonlinearity only+-V4'C typical
Low impedance output, 0.1 Q for 1 mA load
Found in 2008, Jiutian Automatic Equipment Co.,Ltd is a professional manufacturer for temperature & pressure products at Shanghai,China. Our products include: thermocouple, RTD, temperature controller instruments, Bimetal thermometer and press gauge and etc.
With products development, material analysis and mold making facilities, we have improved OEM capacity invarious fileds. We have focused on management and strictly control the quality to ISO9001:2000 and ISO14000 standards.
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