Details

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Parameter Symbol Conditions Min Typical Max Unit
Supply Voltage VCC Operating Range 4.5 - 30 V
Output Voltage at 0掳C VO(0掳C) VCC = 5V 0 0.1 0.2 V
Sensitivity S VCC = 5V 9.0 10 11 mV/掳C
Linearity - Full Scale Range - 卤0.25 - 掳C
Impedance ZO VCC = 5V, f = 1kHz 600 - -
Quiescent Current IQ VCC = 5V 50 70 90 渭A
Operating Temperature TA - -55 - 150 掳C
Storage Temperature TS - -65 - 150 掳C

Instructions for Using LM35DT/NOPB

  1. Power Supply:

    • The LM35DT/NOPB can operate over a wide range of supply voltages from 4.5V to 30V.
    • Ensure the supply voltage is stable and within the specified range to avoid damage or inaccurate readings.
  2. Output Connection:

    • Connect the output pin (pin 2) to your measurement circuit or ADC input.
    • The output voltage is directly proportional to the temperature in Celsius, with a sensitivity of 10mV/掳C.
  3. Grounding:

    • Connect the ground pin (pin 3) to the system ground to ensure accurate measurements.
    • Proper grounding is crucial to minimize noise and interference.
  4. Supply Voltage Connection:

    • Connect the supply voltage pin (pin 1) to the positive terminal of your power supply.
  5. Temperature Measurement:

    • The sensor provides a linear output voltage that increases by 10mV for every degree Celsius increase in temperature.
    • To calculate the temperature, use the formula: [ text{Temperature (掳C)} = frac{text{Output Voltage (V)}}{10 text{ mV/掳C}} ]
  6. Calibration:

    • For high-precision applications, calibrate the sensor using a known temperature reference.
    • Measure the output voltage at a known temperature and adjust your system accordingly.
  7. Mounting:

    • Mount the sensor in a location where it will accurately measure the desired temperature.
    • Avoid placing it near heat sources or in direct sunlight, as this can affect the accuracy of the readings.
  8. Storage and Handling:

    • Store the sensor in a dry, cool place when not in use.
    • Handle the sensor with care to avoid damaging the pins or the internal components.
  9. Operating Temperature Range:

    • The sensor is designed to operate over a wide temperature range from -55掳C to 150掳C.
    • Ensure the ambient temperature is within this range to maintain accurate and reliable performance.
  10. Storage Temperature Range:

    • The sensor can be stored at temperatures ranging from -65掳C to 150掳C without damage.

By following these instructions, you can ensure optimal performance and longevity of the LM35DT/NOPB temperature sensor.

(For reference only)

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