Description
Product Overview
LM35 Temperature Sensor TO92-3 are precision integrated-circuit temperature devices with an output voltage linearly-proportional to the Centigrade temperature. The LM35 device 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 device 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. It is often used with microcontrollers or other analog and digital circuitry to measure and display temperature information accurately.
Features of LM35 Temperature Sensor
- 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 V to 30 V
- Less Than 60-µA Current Drain
- Low Self-Heating, 0.08°C in Still Air
- Non-Linearity Only ±¼°C Typical
- Low-Impedance Output, 0.1 Ω for 1-mA Load
- Body Temperature Measurement
- Consumes very little current, making it suitable for battery-operated and low-power applications.
Absolute Maximum Ratings of LM35 Temperature Sensor TO92-3
Supply voltage: Min –0.2 , Max-35 V
Output voltage: Min-1, Max- 6 V
Output current- 10 mA
Maximum Junction Temperature, TJ-max 150 °C
Storage Temperature, Tstg
Applications
- Power Supplies
- • Battery Management
• HVAC
• Appliances
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