STMicroelectronics
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LM135Z
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LM135Z

Product Overview

LM135Z is a precision temperature sensor belonging to the category of integrated circuits. It is commonly used for temperature measurement and control applications due to its high accuracy and reliability. The device exhibits characteristics such as low voltage operation, wide temperature range, and low self-heating. It is typically available in a TO-92 package and can be purchased individually or in bulk quantities.

Specifications

  • Operating Voltage: 2.2V to 30V
  • Temperature Range: -50°C to 150°C
  • Output Voltage: 10mV/°C
  • Package Type: TO-92
  • Quantity: Individual or Bulk

Detailed Pin Configuration

The LM135Z features three pins: 1. V+: Connects to the positive supply voltage. 2. V-: Connects to the ground. 3. Vout: Provides the output voltage proportional to the temperature.

Functional Features

  • High Accuracy: The LM135Z offers precise temperature measurements with low error margins.
  • Wide Temperature Range: It can operate effectively across a broad range of temperatures, making it suitable for diverse applications.
  • Low Self-Heating: The device minimizes self-heating effects, ensuring accurate temperature readings.

Advantages and Disadvantages

Advantages

  • High precision temperature sensing
  • Wide operating temperature range
  • Low power consumption

Disadvantages

  • Limited output voltage range
  • Sensitivity to electromagnetic interference in certain environments

Working Principles

The LM135Z operates based on the principle of the temperature-dependent voltage output. As the temperature changes, the output voltage varies linearly, allowing for accurate temperature measurement.

Detailed Application Field Plans

The LM135Z finds extensive use in various applications, including: - HVAC systems - Industrial temperature monitoring - Medical equipment - Automotive climate control

Detailed and Complete Alternative Models

Some alternative models to LM135Z include: - LM335Z: Offers similar temperature sensing capabilities with different packaging options. - TMP36: Provides temperature sensing in a smaller form factor with comparable accuracy.

In conclusion, the LM135Z serves as a reliable and accurate temperature sensor suitable for a wide range of applications, offering high precision and stability in temperature measurement and control.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM135Z v technických řešeních

  1. What is the LM135Z?

    • The LM135Z is a precision temperature sensor that provides an accurate and linear voltage output directly proportional to the Celsius temperature.

  2. What is the operating temperature range of the LM135Z?

    • The LM135Z operates over a temperature range of -55°C to 150°C, making it suitable for a wide range of applications.

  3. How accurate is the LM135Z?

    • The LM135Z has a typical accuracy of ±1°C at room temperature, making it suitable for precise temperature measurements.

  4. What are some common applications of the LM135Z?

    • The LM135Z is commonly used in temperature measurement and control systems, thermal management in electronic devices, and industrial process monitoring.

  5. How does the LM135Z interface with microcontrollers or other digital systems?

    • The LM135Z outputs a voltage directly proportional to temperature, which can be easily interfaced with analog-to-digital converters (ADCs) in microcontrollers or other digital systems.

  6. Can the LM135Z be used in battery-powered applications?

    • Yes, the LM135Z has low power consumption and can be used in battery-powered applications where energy efficiency is important.

  7. What is the supply voltage range for the LM135Z?

    • The LM135Z operates from a supply voltage range of 4V to 30V, providing flexibility in various circuit designs.

  8. Does the LM135Z require calibration?

    • The LM135Z is factory calibrated, but for critical applications, periodic calibration may be necessary to ensure continued accuracy.

  9. Is the LM135Z sensitive to electromagnetic interference (EMI)?

    • The LM135Z is designed to be immune to most forms of EMI, making it suitable for use in electrically noisy environments.

  10. Are there any specific layout considerations when using the LM135Z in a circuit?

    • Proper grounding and layout techniques should be followed to minimize noise and ensure accurate temperature measurements when using the LM135Z in a circuit.