LM339PWRE4

Product Overview

Category: Integrated Circuits (ICs)

Use: LM339PWRE4 is a quad voltage comparator that operates from a single power supply. It is designed to compare two voltages and provide digital outputs indicating the larger voltage. This IC is commonly used in applications such as level shifting, threshold detection, and waveform generation.

Characteristics: - Quad voltage comparator - Single power supply operation - Low input bias current - Wide range of operating voltage - High output sink current capability - Low output saturation voltage

Package: LM339PWRE4 is available in a small outline package (SOP) with 16 pins. The package provides good thermal conductivity and electrical isolation.

Essence: The essence of LM339PWRE4 lies in its ability to accurately compare voltages and provide digital outputs based on the comparison results.

Packaging/Quantity: LM339PWRE4 is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2 V to 36 V
• Input Offset Voltage: ±1 mV
• Input Bias Current: ±25 nA
• Response Time: 1.3 μs
• Output Current: 6 mA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

LM339PWRE4 has a total of 16 pins arranged as follows:

___________ VCC |1 16| GND IN1 |2 15| OUT1 IN2 |3 14| OUT2 IN3 |4 13| OUT3 IN4 |5 12| OUT4 GND |6 11| NC OUT |7 10| NC NC |8 9| NC -----------

Functional Features

• Quad voltage comparator with open-drain outputs
• Wide supply voltage range allows for versatile applications
• Low input bias current minimizes the impact on the measured circuit
• High output sink current capability enables driving of various loads
• Fast response time ensures quick comparison and output switching

Advantages and Disadvantages

Advantages: - Versatile and widely used in various applications - Accurate voltage comparison with low offset voltage - Can operate from a single power supply - Provides open-drain outputs for easy interfacing

Disadvantages: - Limited output current capability compared to some other comparators - Not suitable for high-frequency applications due to slower response time

Working Principles

LM339PWRE4 operates by comparing the voltages applied to its input pins. It internally generates a reference voltage and compares it with the input voltages. Based on the comparison results, the corresponding digital outputs are driven to either a high or low state.

The input bias current is very low, minimizing the loading effect on the measured circuit. The open-drain outputs allow for easy connection to other devices.

Detailed Application Field Plans

LM339PWRE4 finds applications in various fields, including but not limited to: 1. Level shifting circuits 2. Threshold detection systems 3. Waveform generation 4. Battery voltage monitoring 5. Motor control circuits 6. Overvoltage/undervoltage protection systems

Alternative Models

Some alternative models that can be considered as replacements for LM339PWRE4 include: - LM393PWRE4 - LM311PWRE4 - LM324PWRE4 - LM358PWRE4

These alternatives offer similar functionality and characteristics, allowing flexibility in design choices.

In conclusion, LM339PWRE4 is a quad voltage comparator widely used in various applications due to its versatility, accuracy, and ease of use. Its low input bias current, wide supply voltage range, and open-drain outputs make it suitable for a range of circuit designs.