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LM339DBR

LM339DBR

Manufacturer No:

LM339DBR

Manufacturer:

National Semiconductor

Description:

LM339 QUAD DIFFERENTIAL COMPARAT

Datasheet:

Datasheet

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LM339DBR Specifications

  • Type
    Parameter
  • Supplier Device Package
    14-SSOP
  • Mounting Type
    Surface Mount
  • Package / Case
    14-SSOP (0.209", 5.30mm Width)
  • Operating Temperature
    0°C ~ 70°C
  • Hysteresis
    -
  • Propagation Delay (Max)
    -
  • CMRR, PSRR (Typ)
    -
  • Current - Quiescent (Max)
    2.5mA
  • Current - Output (Typ)
    20mA
  • Current - Input Bias (Max)
    0.25µA @ 5V
  • Voltage - Input Offset (Max)
    5mV @ 30V
  • Voltage - Supply, Single/Dual (±)
    2V ~ 30V, ±1V ~ 15V
  • Output Type
    Open-Collector, Rail-to-Rail
  • Number of Elements
    4
  • Type
    General Purpose
  • Packaging
    Bulk
  • Product Status
    Active
  • Series
    -
The LM339DBR is a quad voltage comparator integrated circuit chip. It has several advantages and application scenarios, including:1. Wide supply voltage range: The LM339DBR can operate with a wide supply voltage range, typically from 2V to 36V. This makes it suitable for various applications with different power supply requirements.2. Low power consumption: The chip has low power consumption, making it ideal for battery-powered applications or any scenario where power efficiency is crucial.3. High input impedance: The LM339DBR 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. Open collector outputs: The chip has open collector outputs, allowing it to be easily connected to other digital circuits or microcontrollers. This feature enables the chip to drive various loads, such as relays, LEDs, or other logic gates.5. Wide temperature range: The LM339DBR can operate over a wide temperature range, typically from -40°C to 125°C. This makes it suitable for applications in harsh environments or extreme temperature conditions.Application scenarios for the LM339DBR include:1. Voltage monitoring: The chip can be used to monitor voltage levels and trigger actions based on specific thresholds. For example, it can be used in battery management systems to detect low battery voltage and activate a warning or shutdown mechanism.2. Signal conditioning: The LM339DBR can be used to condition analog signals by comparing them to a reference voltage. This is useful in applications such as level detection, window comparators, or analog-to-digital converters.3. Motor control: The chip can be used in motor control circuits to compare feedback signals from sensors with reference voltages, enabling precise control of motor speed or position.4. Overcurrent protection: The LM339DBR can be used to detect overcurrent conditions in power circuits and trigger protective measures, such as shutting down the circuit or activating an alarm.5. Logic level conversion: The chip can be used to convert analog signals to digital logic levels or vice versa. This is useful in interfacing different types of circuits or devices with varying voltage levels.Overall, the LM339DBR integrated circuit chip offers versatility, low power consumption, and wide operating parameters, making it suitable for a wide range of applications in various industries.
LM339DBR Relevant information