LM339DE4

Product Overview

Category: Integrated Circuit (IC)

Use: LM339DE4 is a quad voltage comparator that is commonly used in various electronic circuits for comparing voltages and making decisions based on the comparison results.

Characteristics: - Quad voltage comparator - Low power consumption - Wide supply voltage range - High input impedance - Open collector outputs - Compatible with TTL, CMOS, and MOS logic systems

Package: LM339DE4 is available in a 14-pin dual in-line package (DIP) which provides easy mounting and soldering onto printed circuit boards.

Essence: The essence of LM339DE4 lies in its ability to compare multiple input voltages and provide corresponding output signals based on the comparison results.

Packaging/Quantity: LM339DE4 is typically sold in reels or tubes containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 2V to 36V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 25nA (maximum)
• Response Time: 1.3μs (typical)
• Output Sink Current: 16mA (maximum)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

LM339DE4 has a total of 14 pins arranged as follows:

___________ | | 1 -| IN1- |- 14 2 -| IN1+ |- 13 3 -| GND |- 12 4 -| OUT1 |- 11 5 -| VCC |- 10 6 -| OUT2 |- 9 7 -| IN2+ |- 8 |___________|

Functional Features

• Quad voltage comparator: LM339DE4 can compare up to four input voltages simultaneously.
• Open collector outputs: The outputs of LM339DE4 are open collector, allowing easy interfacing with other digital circuits.
• Wide supply voltage range: LM339DE4 can operate from a wide range of supply voltages, making it suitable for various applications.
• Low power consumption: LM339DE4 consumes minimal power, making it energy-efficient.

Advantages and Disadvantages

Advantages: - Versatile and widely used in electronic circuits. - High input impedance allows for easy integration into different systems. - Compatible with various logic systems. - Low power consumption helps conserve energy.

Disadvantages: - Limited number of comparators (four) in a single IC package. - Output voltage swing is limited by the supply voltage range.

Working Principles

LM339DE4 works based on the principle of voltage comparison. It compares the voltages applied to its input pins and produces corresponding output signals based on the comparison results. The open collector outputs allow the connection of external resistors or transistors to control the output behavior.

Detailed Application Field Plans

LM339DE4 finds applications in various fields, including: 1. Battery chargers: Voltage monitoring and control. 2. Motor control: Speed and direction control based on voltage comparisons. 3. Alarm systems: Detecting and comparing sensor voltages. 4. Power supplies: Overvoltage and undervoltage protection. 5. Automotive electronics: Monitoring and control of various electrical parameters.

Detailed and Complete Alternative Models

Some alternative models to LM339DE4 include: - LM339N - LM2901 - LM311 - LM393

These models offer similar functionality and can be used as replacements for LM339DE4 in many applications.

Word count: 446 words