LM339PW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Comparator
• Characteristics: Low power consumption, wide supply voltage range, high input impedance, open collector output, and versatile applications.
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The LM339PW is a quad voltage comparator designed for use in a wide range of applications that require analog signal comparisons.
• Packaging/Quantity: The LM339PW is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage Range: 2V to 36V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 25nA (maximum)
• Response Time: 1.3μs (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM339PW has a total of 16 pins arranged as follows:

___________ VCC --| |-- GND IN(-) --| |-- OUT IN(+) --| |-- OUT | | IN(-) --| |-- OUT IN(+) --| |-- OUT | | IN(-) --| |-- OUT IN(+) --| |-- OUT | | IN(-) --| |-- OUT IN(+) --| |-- OUT |___________|

Functional Features

• Quad voltage comparator with open collector outputs.
• Wide supply voltage range allows operation from various power sources.
• High input impedance minimizes loading effects on the signal source.
• Low power consumption makes it suitable for battery-powered applications.
• Open collector outputs enable easy interfacing with other digital circuits.

Advantages and Disadvantages

Advantages: - Versatile applications in various analog signal comparison scenarios. - Wide supply voltage range allows flexibility in power source selection. - Low power consumption extends battery life in portable devices. - High input impedance minimizes signal degradation. - Open collector outputs simplify circuit integration.

Disadvantages: - Limited output current capability may require additional buffering for certain applications. - Input offset voltage may introduce errors in precision measurement applications.

Working Principles

The LM339PW operates by comparing the voltages applied to its input pins. It compares the voltage at the non-inverting input (IN(+)) with the voltage at the inverting input (IN(-)). The output of each comparator is an open collector, which means it can be connected to other digital circuits or pulled up to a desired voltage level using an external resistor.

Detailed Application Field Plans

The LM339PW finds applications in various fields, including but not limited to: 1. Battery management systems 2. Motor control circuits 3. Signal conditioning circuits 4. Level detection and monitoring circuits 5. Overvoltage/undervoltage protection circuits

Alternative Models

Some alternative models that can be used as substitutes for the LM339PW include: - LM393 - LM311 - LM324 - LM2903

These models offer similar functionality and characteristics, allowing users to choose the most suitable option for their specific application requirements.

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