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LM35DH/NOPB
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LM35DH/NOPB

Introduction

The LM35DH/NOPB is a precision integrated-circuit temperature sensor that belongs to the category of analog temperature sensors. It is widely used in various applications due to its high accuracy, ease of use, and low cost.

Basic Information Overview

  • Category: Analog Temperature Sensor
  • Use: Measuring temperature in electronic devices and systems
  • Characteristics: High accuracy, linear output, low self-heating, low cost
  • Package: TO-92, SOIC, SOT-23
  • Essence: Provides accurate temperature measurement with a linear output
  • Packaging/Quantity: Available in tape and reel packaging with varying quantities

Specifications

  • Temperature Range: -55°C to 150°C
  • Output Voltage: 10 mV/°C
  • Supply Voltage: 4V to 30V
  • Current Drain: 60 µA
  • Accuracy: ±0.5°C at 25°C

Detailed Pin Configuration

The LM35DH/NOPB has three pins: 1. VCC: Supply voltage input 2. VOUT: Linear voltage output proportional to the temperature 3. GND: Ground connection

Functional Features

  • Linear output voltage proportional to temperature
  • Calibrated directly in Celsius (Centigrade)
  • Low self-heating
  • Wide operating temperature range

Advantages and Disadvantages

Advantages

  • High accuracy
  • Easy to interface with microcontrollers and ADCs
  • Low cost
  • Wide temperature range

Disadvantages

  • Limited temperature range compared to some digital sensors
  • Susceptible to noise and interference in long cable runs

Working Principles

The LM35DH/NOPB operates based on the principle of the relationship between temperature and voltage. As the temperature changes, the LM35DH/NOPB produces an output voltage that is linearly proportional to the temperature.

Detailed Application Field Plans

The LM35DH/NOPB finds extensive application in various fields, including: - HVAC systems - Automotive industry - Industrial process control - Medical equipment - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the LM35DH/NOPB include: - TMP36: Another analog temperature sensor with similar characteristics - DS18B20: A digital temperature sensor with higher resolution and wider temperature range - MCP9808: I2C temperature sensor with high accuracy and resolution

In conclusion, the LM35DH/NOPB is a versatile and reliable analog temperature sensor that is widely used in diverse applications due to its accuracy, ease of use, and cost-effectiveness.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LM35DH/NOPB en soluciones técnicas

  1. What is the LM35DH/NOPB?

    • The LM35DH/NOPB is a precision integrated-circuit temperature sensor that provides an accurate and reliable output voltage proportional to the temperature in Celsius.

  2. What is the operating voltage range of the LM35DH/NOPB?

    • The LM35DH/NOPB operates within a voltage range of 4V to 30V, making it suitable for a wide variety of applications.

  3. How accurate is the LM35DH/NOPB?

    • The LM35DH/NOPB has a typical accuracy of ±0.5°C at room temperature, making it a highly precise temperature sensor.

  4. Can the LM35DH/NOPB be used in automotive applications?

    • Yes, the LM35DH/NOPB is suitable for automotive applications due to its wide operating voltage range and high accuracy.

  5. What is the output format of the LM35DH/NOPB?

    • The LM35DH/NOPB provides a linear output voltage that is directly proportional to the temperature in Celsius, with a scale factor of 10mV/°C.

  6. Is the LM35DH/NOPB calibrated at the factory?

    • Yes, the LM35DH/NOPB is calibrated at the factory, eliminating the need for additional calibration in most applications.

  7. Can the LM35DH/NOPB be used in medical devices?

    • Yes, the LM35DH/NOPB can be used in medical devices due to its high accuracy and reliability in measuring temperature.

  8. What is the typical power consumption of the LM35DH/NOPB?

    • The LM35DH/NOPB has a low power consumption, typically drawing only 60µA of current.

  9. Does the LM35DH/NOPB require external components for operation?

    • No, the LM35DH/NOPB does not require any external components for basic temperature sensing, simplifying its integration into technical solutions.

  10. Can the LM35DH/NOPB be used in industrial control systems?

    • Yes, the LM35DH/NOPB is well-suited for use in industrial control systems due to its accuracy, reliability, and wide operating voltage range.