LM339APW

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-14 (Thin Shrink Small Outline Package)
• Essence: The LM339APW is a quad voltage comparator designed for use in various analog and digital applications.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Supply Voltage Range: 2V to 36V
• Input Offset Voltage: ±1mV
• Input Bias Current: ±25nA
• Response Time: 1.3μs
• Output Sink Current: 16mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM339APW has a TSSOP-14 package with the following pin configuration:

____ VCC --| | IN(-) A --| | IN(+) B --| | IN(-) C --| | IN(+) D --| | OUT D --| | OUT C --| | OUT B --| | OUT A --| | GND(1) --| | GND(2) --| | GND(3) --| | GND(4) --|____|

Functional Features

• Quad voltage comparator with open collector outputs.
• Wide supply voltage range allows operation from low voltage to industrial levels.
• High input impedance minimizes loading effects on the input signal.
• Low power consumption makes it suitable for battery-powered applications.
• Open collector outputs facilitate direct interface with other digital circuits.

Advantages and Disadvantages

Advantages: - Versatile and widely used in various analog and digital applications. - Wide supply voltage range allows for flexible operation. - Low power consumption extends battery life in portable devices. - High input impedance minimizes signal distortion.

Disadvantages: - Output voltage swing is limited to the supply voltage range. - Limited output current capability may require additional buffering for certain applications.

Working Principles

The LM339APW operates as a voltage comparator, comparing two input voltages and providing a digital output based on their relative magnitudes. It utilizes an internal reference voltage and compares the input voltages against this reference. The open collector outputs can be connected to other digital circuits or used to drive external loads.

Detailed Application Field Plans

The LM339APW finds applications in various fields, including but not limited to:

1. Battery Management Systems
2. Power Supply Monitoring
3. Motor Control Circuits
4. Signal Conditioning
5. Level Detection
6. Window Comparators
7. Oscillators
8. Pulse Width Modulation (PWM) Circuits

Detailed and Complete Alternative Models

Some alternative models that can be considered as replacements for the LM339APW are:

1. LM2901
2. LM311
3. LM393
4. LM324
5. LM358

These alternatives offer similar functionality and can be chosen based on specific requirements and availability.

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