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LM339DT

LM339DT

Product Overview

Category: Integrated Circuit
Use: Voltage Comparator
Characteristics: Low power consumption, wide single supply voltage range, low input bias current
Package: SOIC-14
Essence: Quad differential comparator
Packaging/Quantity: Tape & Reel / 2500 units

Specifications

  • Supply Voltage: 2V to 36V
  • Input Offset Voltage: 2mV
  • Input Bias Current: 25nA
  • Response Time: 1.3μs
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. Output 1
  2. Inverting Input 1
  3. Non-Inverting Input 1
  4. Ground
  5. Non-Inverting Input 2
  6. Inverting Input 2
  7. Output 2
  8. VCC+
  9. Output 3
  10. Inverting Input 3
  11. Non-Inverting Input 3
  12. Output 4
  13. Inverting Input 4
  14. Non-Inverting Input 4

Functional Features

  • Quad voltage comparator with differential inputs
  • Wide single supply voltage range
  • Low input bias current
  • Low offset voltage
  • Compatible with all forms of logic
  • Power drain suitable for battery operation

Advantages and Disadvantages

Advantages: - Versatile and widely used in various applications - Low power consumption - Wide operating voltage range

Disadvantages: - Limited output current capability - Susceptible to noise interference in high-frequency applications

Working Principles

LM339DT operates by comparing two input voltages and producing an output based on their relationship. It compares the voltage at the non-inverting input with the voltage at the inverting input and produces a high or low output depending on the result.

Detailed Application Field Plans

  • Battery management systems
  • Overvoltage protection circuits
  • Signal conditioning circuits
  • Industrial automation
  • Automotive electronics

Detailed and Complete Alternative Models

  • LM2901
  • LM311
  • LM393
  • LM2903
  • LM2904

LM339DT is a versatile integrated circuit belonging to the category of voltage comparators. Its low power consumption, wide single supply voltage range, and quad differential comparator essence make it suitable for various applications. With a detailed pin configuration and specifications, this IC offers functional features such as low input bias current and compatibility with different logic types. While it has advantages like versatility and low power consumption, it also has limitations in terms of output current capability and susceptibility to noise interference in high-frequency applications. Its working principle involves comparing input voltages to produce an output based on their relationship. The LM339DT finds application in diverse fields such as battery management systems, overvoltage protection circuits, and industrial automation. Additionally, alternative models like LM2901, LM311, and LM393 provide comprehensive options for similar functionalities.

قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق LM339DT في الحلول التقنية

  1. What is LM339DT?

    • LM339DT is a quad voltage comparator with differential inputs and a single output.
  2. What are the typical applications of LM339DT?

    • LM339DT is commonly used in applications such as limit comparators, simple analog-to-digital converters, pulse width modulation (PWM) control circuits, and voltage level detection.
  3. What is the operating voltage range for LM339DT?

    • The operating voltage range for LM339DT is typically between 2V and 36V.
  4. What is the input offset voltage of LM339DT?

    • The input offset voltage of LM339DT is typically low, around 2mV.
  5. What is the maximum input bias current for LM339DT?

    • The maximum input bias current for LM339DT is typically around 25nA.
  6. What is the temperature range for LM339DT?

    • The temperature range for LM339DT is usually between -40°C to 125°C.
  7. How many comparators are there in LM339DT?

    • LM339DT contains four independent voltage comparators in a single package.
  8. What is the output sink current capability of LM339DT?

    • The output sink current capability of LM339DT is typically around 16mA.
  9. Can LM339DT be used in automotive applications?

    • Yes, LM339DT is suitable for use in automotive applications due to its wide operating voltage range and temperature range.
  10. What are some common design considerations when using LM339DT?

    • Common design considerations include input voltage range, power supply decoupling, output loading, and noise immunity.