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LM35AH
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LM35AH

Product Overview

Category

The LM35AH belongs to the category of analog temperature sensors.

Use

It is used for accurately sensing and measuring temperature in various electronic applications.

Characteristics

  • High accuracy
  • Linear output
  • Low self-heating
  • Wide temperature range

Package

The LM35AH is available in a TO-46 metal can package.

Essence

This sensor provides precise temperature measurements with minimal error.

Packaging/Quantity

The LM35AH is typically packaged in reels containing 2000 units.

Specifications

  • Temperature range: -55°C to 150°C
  • Output voltage: 10 mV/°C
  • Supply voltage: 4V to 30V
  • Low output impedance

Detailed Pin Configuration

  1. VCC (Supply Voltage)
  2. VOUT (Analog Output)
  3. GND (Ground)

Functional Features

  • Directly calibrated in °C
  • Low output impedance
  • Operates from 4V to 30V

Advantages

  • High accuracy
  • Simple interfacing
  • Calibrated directly in °C

Disadvantages

  • Limited temperature range compared to some other sensors
  • Requires external calibration for high precision applications

Working Principles

The LM35AH operates on the principle of producing a voltage output that is linearly proportional to the Celsius temperature. It does not require any external calibration or trimming to provide typical accuracies of ±1/4°C at room temperature and ±3/4°C over a full -55°C to 150°C temperature range.

Detailed Application Field Plans

The LM35AH finds extensive use in various applications such as: - HVAC systems - Environmental monitoring - Industrial automation - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

Some alternative models to the LM35AH include: - TMP36 - DS18B20 - MCP9808 - MAX31865

In conclusion, the LM35AH is a highly accurate and reliable analog temperature sensor suitable for a wide range of electronic applications. Its linear output and low self-heating make it a popular choice for temperature measurement needs.

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de LM35AH em soluções técnicas

  1. What is the LM35AH temperature sensor?

    • The LM35AH is a precision integrated-circuit temperature sensor that provides an output voltage linearly proportional to the Celsius temperature.

  2. What is the operating temperature range of the LM35AH?

    • The LM35AH operates over a temperature range of -55°C to 150°C.

  3. How accurate is the LM35AH temperature sensor?

    • The LM35AH has a typical accuracy of ±0.5°C at room temperature and ±3/4°C over a full -55°C to 150°C temperature range.

  4. What is the supply voltage requirement for the LM35AH?

    • The LM35AH operates from a single power supply of 4V to 30V.

  5. Can the LM35AH be used in automotive applications?

    • Yes, the LM35AH is suitable for automotive applications due to its wide temperature range and accuracy.

  6. How can the output voltage of the LM35AH be converted to temperature?

    • The output voltage of the LM35AH can be directly converted to temperature by multiplying it by 100 (for example, 10mV/°C).

  7. Is the LM35AH suitable for battery-powered applications?

    • Yes, the LM35AH's low power consumption makes it suitable for battery-powered applications.

  8. Does the LM35AH require calibration?

    • The LM35AH does not require external calibration or trimming.

  9. Can the LM35AH be used in industrial control systems?

    • Yes, the LM35AH is commonly used in industrial control systems due to its accuracy and reliability.

  10. Are there any special considerations for PCB layout when using the LM35AH?

    • It is important to minimize thermal gradients on the PCB and ensure good thermal contact with the LM35AH for accurate temperature measurements.