LM35DZ

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Instructions for Using the LM35DZ:

1. Supply Voltage:

   • The LM35DZ can operate with a supply voltage ranging from 4V to 30V. Ensure the supply voltage is within this range to avoid damage to the device.

2. Output Voltage:

   • The output voltage of the LM35DZ is directly proportional to the temperature in Celsius. The typical output is 10mV/°C. For example, at 25°C, the output voltage will be 250mV.

3. Quiescent Current:

   • The quiescent current is typically 60μA at 25°C. This low current draw makes the LM35DZ suitable for battery-powered applications.

4. Temperature Sensitivity:

   • The temperature sensitivity is 10mV/°C. This means that for every degree Celsius increase in temperature, the output voltage increases by 10mV.

5. Temperature Range:

   • The LM35DZ is designed to operate over a wide temperature range from -55°C to +150°C. It is suitable for both industrial and consumer applications.

6. Output Impedance:

   • The output impedance is very low, typically 0.1Ω at 25°C. This ensures that the output voltage remains stable even when connected to a load.

7. Thermal Resistance:

   • The thermal resistance (R_θJA) of the TO-92 package is 200°C/W. This value is important for heat dissipation considerations, especially in high-temperature environments.

8. Circuit Connection:

   • Connect the positive terminal of the power supply to the V_CC pin, the negative terminal to the GND pin, and the output pin to your measurement circuit.
   • A bypass capacitor (e.g., 0.1μF) between V_CC and GND is recommended to filter out any noise and ensure stable operation.

9. Handling Precautions:

   • Handle the LM35DZ with care to avoid static discharge, which can damage the device.
   • Ensure proper heat sinking if the device is used in high-temperature environments or under high power conditions.

By following these guidelines, you can effectively use the LM35DZ temperature sensor in your projects.