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LM339DT

LM339DT

Manufacturer No:

LM339DT

Manufacturer:

STMicroelectronics

Description:

IC COMPARATOR 4 GEN PUR 14SO

Datasheet:

Datasheet

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LM339DT Specifications

  • Type
    Parameter
  • Supplier Device Package
    14-SO
  • Mounting Type
    Surface Mount
  • Package / Case
    14-SOIC (0.154", 3.90mm Width)
  • Operating Temperature
    0°C ~ 70°C
  • Hysteresis
    -
  • Propagation Delay (Max)
    -
  • CMRR, PSRR (Typ)
    -
  • Current - Quiescent (Max)
    2.5mA
  • Current - Output (Typ)
    16mA @ 5V
  • Current - Input Bias (Max)
    0.25µA @ 5V
  • Voltage - Input Offset (Max)
    5mV @ 30V
  • Voltage - Supply, Single/Dual (±)
    2V ~ 32V, ±1V ~ 16V
  • 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 LM339DT is a quad differential comparator integrated circuit chip. It consists of four independent voltage comparators that are designed to operate from a single power supply over a wide range of voltages. Here are some advantages and application scenarios of the LM339DT:Advantages: 1. Wide supply voltage range: The LM339DT can operate from a single power supply ranging from 2V to 36V, making it suitable for a variety of applications. 2. Low power consumption: It has a low supply current of typically 0.8mA, making it energy-efficient. 3. High input impedance: The input impedance of the comparators is typically 1.5MΩ, allowing it to interface easily with different signal sources. 4. Open collector outputs: The outputs of the comparators are open collector, which means they can be easily connected to other devices or circuits.Application scenarios: 1. Voltage level detection: The LM339DT can be used to compare two voltage levels and provide a digital output based on the comparison. This makes it suitable for applications such as overvoltage/undervoltage detection, battery monitoring, and voltage level shifting. 2. Signal conditioning: It can be used to condition analog signals by comparing them with a reference voltage. This is useful in applications like threshold detection, signal amplification, and signal filtering. 3. Window comparators: By using multiple comparators, the LM339DT can be configured as a window comparator, which is used to detect if a signal falls within a specific voltage range. This is commonly used in applications like temperature monitoring, motor control, and alarm systems. 4. Oscillators and timers: The LM339DT can be used to build oscillators and timers by utilizing the comparator's hysteresis feature. This is useful in applications like pulse width modulation (PWM), frequency generation, and timing circuits.Overall, the LM339DT is a versatile integrated circuit chip that finds applications in various fields such as automotive, industrial control, consumer electronics, and telecommunications.
LM339DT Relevant information