LM35DZ Temperature Sensors

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Brand: Twins Chip
Product Code: LM35DZ
Availability: 94

LM35DZ Temperature Sensors

The LM35 series are precision integrated-circuit temperature sensors, with an output voltage linearly proportional to the Centigrade temperature. Thus the LM35 has an advantage over linear temperature sensors calibrated in ° Kelvin, as the user is not required to subtract a large constant voltage from the output to obtain convenient Centigrade scaling. The LM35 does not require any external calibration or trimming to provide typical accuracies of ±¼°C at room temperature and ±¾°C over a full −55°C to +150°C temperature range. Low cost is assured by trimming and calibration at the wafer level. The low output impedance, linear output, and precise inherent calibration of the LM35 make interfacing to readout or control circuitry especially easy. The device is used with single power supplies, or with plus and minus supplies. As the LM35 draws only 60 µA from the supply, it has very low self-heating of less than 0.1°C in still air. The LM35 is rated to operate over a −55°C to +150°C temperature range, while the LM35C is rated for a −40°C to +110°C range (−10° with improved accuracy). The LM35 series is available packaged in hermetic TO transistor packages, while the LM35C, LM35CA, and LM35D are also available in the plastic TO-92 transistor package. The LM35D is also available in an 8-lead surface-mount small-outline package and a plastic TO-220 package.

Calibrated Directly in ° Celsius (Centigrade)
Linear + 10 mV/°C Scale Factor
0.5°C Ensured Accuracy (at +25°C)
Rated for Full −55°C to +150°C Range
Suitable for Remote Applications
Low Cost Due to Wafer-Level Trimming
Operates from 4 to 30 V
Less than 60-µA Current Drain
Low Self-Heating, 0.08°C in Still Air
Nonlinearity Only ±¼°C Typical
Low Impedance Output, 0.1 Ω for 1 mA Load


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