Texas Instruments
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LM35H
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LM35H

Product Overview

Category

LM35H belongs to the category of temperature sensors.

Use

It is used for measuring temperature in various electronic applications.

Characteristics

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

Package

The LM35H is available in a TO-46 metal can package.

Essence

The essence of LM35H lies in its precise and reliable temperature measurement capabilities.

Packaging/Quantity

The LM35H is typically sold in reels with quantities varying based on manufacturer specifications.

Specifications

  • Temperature range: -55°C to 150°C
  • Output voltage: 10 mV/°C
  • Operating voltage: 4V to 30V
  • Accuracy: ±0.5°C

Detailed Pin Configuration

The LM35H has three pins: 1. VCC (Power supply) 2. Vout (Analog output) 3. GND (Ground)

Functional Features

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

Advantages and Disadvantages

Advantages

  • High accuracy
  • Linear output
  • Wide temperature range

Disadvantages

  • Limited operating voltage range
  • Requires external calibration for precise measurements

Working Principles

The LM35H 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 ±0.25°C at room temperature and ±0.75°C over a full -55°C to 150°C temperature range.

Detailed Application Field Plans

The LM35H finds extensive application in various fields such as: - HVAC systems - Automotive industry - Industrial process control - Medical equipment - Weather stations

Detailed and Complete Alternative Models

Some alternative models to LM35H include: - TMP36 - DS18B20 - MCP9808 - MAX31855

In conclusion, the LM35H temperature sensor offers high accuracy and reliability, making it suitable for a wide range of temperature measurement applications across different industries.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של LM35H בפתרונות טכניים

  1. What is the LM35H temperature sensor?

    • The LM35H is a precision integrated-circuit temperature sensor that provides an analog voltage output proportional to the temperature in Celsius.

  2. How does the LM35H work?

    • The LM35H operates by converting temperature into an analog voltage output, with 10 mV per degree Celsius.

  3. What is the operating temperature range of the LM35H?

    • The LM35H has an operating temperature range of -55°C to 150°C.

  4. How accurate is the LM35H?

    • The LM35H 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.

  5. What are some common applications of the LM35H?

    • Common applications include temperature sensing in HVAC systems, automotive systems, industrial control systems, and consumer electronics.

  6. Can the LM35H be used in outdoor environments?

    • Yes, the LM35H can be used in outdoor environments as long as it is properly protected from moisture and environmental contaminants.

  7. What is the supply voltage range for the LM35H?

    • The LM35H operates within a supply voltage range of 4V to 30V.

  8. Is calibration required for the LM35H?

    • The LM35H is factory calibrated and does not require additional calibration in most applications.

  9. Can the LM35H be directly interfaced with a microcontroller?

    • Yes, the LM35H can be directly interfaced with a microcontroller as it provides an analog voltage output.

  10. Are there any special considerations for PCB layout when using the LM35H?

    • It is recommended to minimize noise and thermal gradients around the LM35H on the PCB to ensure accurate temperature measurements.