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LM339QT

LM339QT

Manufacturer No:

LM339QT

Manufacturer:

STMicroelectronics

Description:

IC COMPARATOR 4 GEN PUR 16QFN

Datasheet:

Datasheet

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LM339QT Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-QFN (3x3)
  • Mounting Type
    Surface Mount
  • Package / Case
    16-VFQFN Exposed Pad
  • Operating Temperature
    -
  • Hysteresis
    -
  • Propagation Delay (Max)
    -
  • CMRR, PSRR (Typ)
    -
  • Current - Quiescent (Max)
    2.5mA
  • Current - Output (Typ)
    -
  • Current - Input Bias (Max)
    -
  • Voltage - Input Offset (Max)
    -
  • Voltage - Supply, Single/Dual (±)
    2V ~ 36V, ±1V ~ 18V
  • Output Type
    CMOS, DTL, ECL, MOS, Open-Collector, TTL
  • Number of Elements
    4
  • Type
    General Purpose
  • Packaging
    Cut Tape (CT)
  • Packaging
    Tape & Reel (TR)
  • Product Status
    Active
  • Series
    -
The LM339QT is a quad differential comparator integrated circuit chip. It has several advantages and application scenarios, including:1. Wide supply voltage range: The LM339QT can operate with a wide range of supply voltages, typically from 2V to 36V. This makes it suitable for various applications where different supply voltages are required.2. Low power consumption: The LM339QT is designed to consume low power, making it suitable for battery-powered applications or any scenario where power efficiency is crucial.3. High input impedance: The chip has a high input impedance, which means it can interface easily with different types of sensors or signal sources without significantly affecting the original signal.4. Multiple comparators: The LM339QT consists of four independent comparators in a single package. This allows for multiple comparisons to be made simultaneously, making it useful in applications that require multiple threshold detection or signal monitoring.5. Open collector outputs: The outputs of the LM339QT are open collector, which means they can be easily interfaced with other digital or microcontroller circuits. This flexibility allows for easy integration into various systems.Application scenarios for the LM339QT include:1. Voltage level detection: The LM339QT can be used to compare different voltage levels and provide a digital output based on the comparison. This makes it suitable for applications such as overvoltage/undervoltage protection, battery monitoring, or voltage level shifting.2. Signal conditioning: The high input impedance of the LM339QT makes it suitable for signal conditioning applications. It can be used to amplify, filter, or shape analog signals before further processing.3. Threshold detection: The multiple comparators in the LM339QT can be used to detect specific threshold levels in analog signals. This makes it useful in applications such as temperature sensing, light sensing, or proximity sensing.4. Pulse width modulation (PWM): The LM339QT can be used in PWM applications where it compares an analog input signal with a reference voltage to generate a digital PWM output. This is commonly used in motor control, power converters, or LED dimming applications.5. Logic level conversion: The open collector outputs of the LM339QT can be used for logic level conversion between different voltage domains. This makes it useful in interfacing different digital systems or devices with varying voltage levels.Overall, the LM339QT is a versatile integrated circuit chip that finds applications in various industries, including automotive, industrial control, consumer electronics, and telecommunications.
LM339QT Relevant information