LM339 IC

LM339 IC is a highly reliable and versatile quad voltage comparator, designed for precision analog signal comparison in a wide range of electronic applications. Manufactured to deliver consistent performance, this IC is ideal for both professional engineers and hobbyists working on circuits that require accurate voltage detection and threshold triggering. Its low power consumption, wide operating voltage range, and ease of integration make it a staple in modern electronics design.

Key Specifications of LM339 IC

• Type: Quad Comparator IC

• Supply Voltage (Vcc): 2V to 36V

• Input Voltage Range: 0V to Vcc – 1.5V

• Output Type: Open-collector output for interfacing with TTL or CMOS circuits

• Input Offset Voltage: 2mV (typical)

• Input Bias Current: 25nA (typical)

• Operating Temperature Range: 0°C to 70°C (Commercial Grade), -40°C to 85°C (Industrial Grade)

• Package Types: DIP-14, SOIC-14

The LM339 IC is specifically engineered to handle low-voltage analog signals efficiently, making it suitable for precision detection and control applications. Its open-collector outputs allow multiple comparators to be wired in series for logic operations without extra circuitry.

Features of LM339 IC

1. Quad Comparator in a Single Package: The IC integrates four independent voltage comparators, reducing board space and simplifying circuit design.

2. Wide Supply Voltage Range: Operates from 2V to 36V, making it adaptable for both low-voltage battery-powered circuits and high-voltage industrial systems.

3. Low Input Bias Current: With typical input bias currents of just 25nA, the LM339 IC ensures minimal signal distortion and precise measurement.

4. Open-Collector Output: Provides flexible interfacing with digital logic circuits and allows wired-AND configurations for advanced circuit designs.

5. Temperature Stability: Designed to maintain performance across a broad temperature range, suitable for both commercial and industrial environments.

6. Low Power Consumption: Efficient design ensures minimal energy usage, critical for battery-operated devices.

7. High-Speed Response: Offers fast switching times, enabling it to handle rapid voltage changes accurately.

Applications of LM339 IC

The LM339 IC finds wide application in both analog and digital electronics, including the following areas:

• Voltage Level Detection: It is commonly used to compare input voltage levels with reference voltages, triggering specific actions when thresholds are crossed.

• Overvoltage/Undervoltage Protection: Protect circuits and devices by detecting unsafe voltage conditions and initiating control responses.

• Zero-Crossing Detectors: Useful in AC signal processing to detect the point where the waveform crosses zero voltage.

• Pulse Width Modulation (PWM) Circuits: Helps in generating precise PWM signals for motor control, LED dimming, and signal modulation.

• Oscillator and Timer Circuits: Can be integrated into oscillator designs for timing, waveform generation, and frequency control.

• Temperature Monitoring Systems: Often used with thermistors or temperature sensors to trigger alarms or control devices based on temperature thresholds.

• Battery Level Indicators: Enables accurate battery monitoring by comparing voltage levels and providing digital outputs to control indicators.

• Analog-to-Digital Interfaces: Acts as a comparator to convert analog signals into digital logic levels in microcontroller-based systems.

Why Choose LM339 IC?

The LM339 IC is trusted for its accuracy, reliability, and versatility in both professional and DIY electronics projects. Its quad-comparator design reduces the need for multiple discrete comparators, saving space and cost while delivering consistent performance. Whether you are designing industrial controllers, sensor interfaces, or simple voltage monitoring circuits, the LM339 ensures precise and dependable operation.

With easy integration into a variety of circuit designs, low power consumption, and robust performance over a wide temperature range, the LM339 IC remains a go-to choice for engineers, hobbyists, and electronics enthusiasts worldwide.

Buy LM339 IC Online

Enhance your electronics projects with the LM339 IC, available in convenient DIP-14 or SOIC-14 packages. Ideal for rapid prototyping, industrial applications, and educational projects, this quad comparator ensures precision and reliability in every design. Order today to experience superior voltage comparison and circuit performance.

Package Includes:

1 x LM339 IC

FAQ

1. Where can we buy this LM339 IC?

This product is available online  https://aiiottech.in/product/lm339-ic/  and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103

2. When can I get this LM339 IC after placing the order?

RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.

Video Link: LM339 Op Amp IC Explained Simply