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LM2903QDG4

LM2903QDG4

Manufacturer No:

LM2903QDG4

Manufacturer:

Texas Instruments

Description:

IC COMPARATOR 2 DIFF 8SOIC

Datasheet:

Datasheet

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LM2903QDG4 Specifications

  • Type
    Parameter
  • Supplier Device Package
    8-SOIC
  • Mounting Type
    Surface Mount
  • Package / Case
    8-SOIC (0.154", 3.90mm Width)
  • Operating Temperature
    -40°C ~ 125°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)
    7mV @ 30V
  • Voltage - Supply, Single/Dual (±)
    2V ~ 36V, ±1V ~ 18V
  • Output Type
    Open-Collector, Rail-to-Rail
  • Number of Elements
    2
  • Type
    General Purpose
  • Packaging
    Tube
  • Packaging
    Bulk
  • Product Status
    Obsolete
  • Series
    -
The LM2903QDG4 is a dual differential comparator integrated circuit chip. It has several advantages and application scenarios, including:Advantages: 1. Low power consumption: The LM2903QDG4 operates at a low supply current of typically 0.8mA, making it suitable for battery-powered applications. 2. Wide supply voltage range: It can operate from a single supply voltage as low as 2V and as high as 36V, providing flexibility in various applications. 3. High input impedance: The chip has a high input impedance of typically 2MΩ, allowing it to interface easily with different signal sources. 4. Rail-to-rail output swing: The output voltage can swing from the negative supply voltage to the positive supply voltage, enabling accurate signal detection and processing. 5. Low input offset voltage: The LM2903QDG4 has a low input offset voltage of typically 2mV, ensuring precise and accurate comparisons.Application Scenarios: 1. Voltage level detection: The LM2903QDG4 can be used to compare two voltage levels and provide a digital output based on the comparison result. This makes it suitable for applications such as overvoltage/undervoltage detection, battery monitoring, and voltage level shifting. 2. Signal conditioning: It can be used as a comparator in signal conditioning circuits to convert analog signals into digital signals for further processing or control. 3. Window comparators: The LM2903QDG4 can be configured as a window comparator to monitor if a signal falls within a specific voltage range. This is useful in applications such as temperature monitoring, light intensity control, and motor speed control. 4. Oscillators and waveform generators: By using the LM2903QDG4 in combination with external components, it can be used to generate oscillating waveforms or square wave signals for applications like timing circuits, pulse generation, and frequency control. 5. Switching applications: The chip can be used as a digital switch to control the on/off state of a load based on the comparison of input signals. This is useful in applications such as motor control, power management, and digital logic circuits.Overall, the LM2903QDG4 integrated circuit chip offers low power consumption, wide supply voltage range, and high input impedance, making it suitable for various applications requiring voltage level detection, signal conditioning, window comparators, oscillators, waveform generators, and switching applications.
LM2903QDG4 Relevant information