Texas Instruments/National Semiconductor LM339N LM339 Quad Comparator ICS (Pack of 3)
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Texas Instruments/National Semiconductor LM339N LM339 Quad Comparator ICS (Pack of 3)
Comparing two voltages or currents and outputting a digital signal indicating the larger of the two has never been easier with this LM339N comparator circuit.
Texas Instruments/National Semiconductor LM339N LM339 Quad Comparator ICS (Pack of 3)
Item #: 27619584

Texas Instruments/National Semiconductor LM339N LM339 Quad Comparator ICS (Pack of 3)

Item #: 27619584

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Comparing two voltages or currents and outputting a digital signal indicating the larger of the two has never been easier with this LM339N comparator circuit.
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What Stands Out

High Performance
The LM339N offers superior precision and speed for quick voltage comparisons, making it ideal for demanding applications.
Quad Configuration
With four comparators in one IC, this device provides compact solutions for multi-signal monitoring, enhancing design efficiency.
Reliability
Designed by Texas Instruments, the LM339N ensures consistent performance and durability, catering to both hobbyists and professionals in electronics.

Product Details

Shop for LM339N Quad Comparator ICS from Texas Instruments at Ubuy Grenada. Compare voltages or currents easily with open collector output, available with a variety of supply voltages.
  • 3-pack of Texas Instruments National Semiconductor LM339N LM339 Quad Comparator ICs
  • Wide range of supply voltage - Single Supply: 2 V to 36 V Dual Supplies: ±1 V to ±18 V
  • Low input bias current of 25 nA Typ
  • Low input offset current of 3 nA Typ
  • Can be used with single supply or dual supplies
  • Made with bipolar technology and has 4 channels per chip
Item Weight0.15 lbs (70 grams)

Who Should Buy?

Suitable For
  • Electronics Hobbyists

    Ideal for DIY projects, allowing hobbyists to create custom circuits with multiple comparator functionalities.

  • Prototyping Engineers

    Useful for engineers developing prototypes, providing reliable comparison functions for various signal levels.

  • Educational Purposes

    Great for students learning about analog electronics, demonstrating comparator principles in hands-on lab environments.

Not Suitable For
  • High-Speed Applications

    Not suitable for high-frequency circuits as its response time may not meet performance requirements.

  • Advanced Automation

    May lack advanced features needed for complex automated systems requiring precision and fast response times.

  • Power-Sensitive Designs

    Not ideal for battery-operated devices where low power consumption is critical due to its power characteristics.

Product Description

Texas Instruments/National Semiconductor LM339N LM339 Quad Comparator ICS (Pack of 3)

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Customer Questions & Answers

  • Question: What is the function of the LM339N Quad Comparator?

    Answer: The LM339N Quad Comparator is an integrated circuit designed to compare two voltages and output a digital signal indicating which is larger. This component features four independent comparators within a single package, making it versatile for various applications. It operates with a wide voltage range and offers low power consumption, making it ideal for battery-powered devices. Common use cases include signal conditioning, oscillators, and voltage level detection in electronic circuits.
  • Question: How do I use the LM339N in my projects?

    Answer: To use the LM339N in your electronic projects, connect your input voltage levels to two of the comparator's pins. The output will provide a HIGH or LOW signal based on which input voltage is higher. This allows you to create decision-making scenarios in your circuits, such as triggering alarms or activating other components. It is particularly useful in applications like temperature control systems and automotive sensors where accurate voltage comparison is crucial.
  • Question: What is the maximum supply voltage for the LM339N?

    Answer: The maximum supply voltage for the LM339N is typically 36 volts. This wide supply range allows it to be utilized in various applications where different voltage levels are required. The ability to operate at higher voltages makes it suitable for automotive electronics and industrial machinery, where tolerance to voltage variations is essential. However, ensure not to exceed the stipulated limits to prevent damage to the IC.
  • Question: Does the LM339N support single-supply operation?

    Answer: Yes, the LM339N supports single-supply operation, allowing it to function effectively with just one supply voltage. It can operate with a range of inputs between 0 and the positive supply voltage, which simplifies circuit design for battery-operated devices. This feature is particularly useful in reducing complexity in designing portable electronics since fewer components are needed to achieve the desired functionality.
  • Question: What are the key applications of the LM339N?

    Answer: The LM339N is widely used in applications such as voltage level detection, temperature sensing, and as a part of analog-to-digital conversion systems. Engineers employ it in creating comparators for signal processing and waveform generation. Additionally, due to its quick response time and reliability, it finds great usage in automotive and industrial control systems, ensuring that devices operate efficiently and safely.
  • Question: Can I use LM339N for monitoring sensor outputs?

    Answer: Absolutely! The LM339N is an excellent choice for monitoring sensor outputs. By comparing the sensor voltage with a reference voltage, it can trigger actions based on specific threshold levels. This capability makes it ideal for applications like overcurrent protection in power supplies or monitoring temperature sensors in HVAC systems. You can design circuits that will activate alarms or control actuators based on the voltage readings from different sensors in your project.
  • Question: What is the package type of the LM339N?

    Answer: The LM339N is typically available in a dual in-line package (DIP) format, which makes it easy to integrate into circuit boards. DIP packages are user-friendly for prototyping and can be easily inserted into breadboards or other circuit assembly methods. This package type offers a convenient way to handle the IC during development and testing phases of your projects.
  • Question: How do I find detailed specifications for the LM339N?

    Answer: To find detailed specifications for the LM339N, refer to the datasheet provided by Texas Instruments. The datasheet includes important information such as pin configurations, electrical characteristics, and application circuits. This resource is essential for engineers and hobbyists to ensure they are using the LM339N correctly and to its full potential in their projects. Understanding these details will enable you to implement the component effectively in various electronic designs.
  • Question: Can I cascade multiple LM339N ICs together?

    Answer: Yes, you can cascade multiple LM339N ICs together to accomplish more complex comparisons or to create multi-point monitoring systems. This can be useful in scenarios where you need to monitor multiple signals at once or perform a sequence of logical comparisons. By carefully planning your circuit design, you can leverage the multiple comparators available in the LM339N to enhance functionality and achieve specific performance goals in your electronic applications.
  • Question: Where can I buy Texas Instruments National Semiconductor LM339N Quad Comparator ICS Pack of 3?

    Answer: You can buy the Texas Instruments National Semiconductor LM339N Quad Comparator ICS Pack of 3 from Ubuy. Ubuy provides a convenient platform to purchase electronic components, ensuring you receive authentic products with reliable service. They offer a wide selection of components, making it easier to find what you need for your projects.

Texas Instruments/ National Semiconductor Comparator Editorial Review

The Texas Instruments LM339N is a pack of 3 quad comparator ICS. It is a reliable and high-quality product that is suitable for various electronic applications. The LM339N offers precise and accurate voltage comparisons, making it ideal for use in voltage monitoring systems. Users have praised its low power consumption and durability. However, some customers have reported issues with inconsistent performance.

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Pros

  • Reliable and high-quality product
  • Suitable for various electronic applications
  • Precise and accurate voltage comparisons
  • Low power consumption
  • Durable

Cons

  • Inconsistent performance reported by some customers

Product Price History

Important information

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Order now and get it around Saturday, July 11

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Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

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Features & Benefits

  • LM339N comparator circuit from Texas Instruments
  • Open collector output
  • Dual supply voltage: ±3|±5|±9|±12 V
  • Minimum operating temperature: 0 °C
  • Maximum operating temperature: 70 °C
  • 4 channels per chip