LM239ADR

Product Overview

Category: Integrated Circuits (ICs)

Use: LM239ADR is a quad differential comparator designed for use in industrial, automotive, and consumer applications. It is commonly used in voltage level detection, waveform shaping, and signal conditioning circuits.

Characteristics: - Low input offset voltage - Wide supply voltage range - High output current - Fast response time

Package: SOIC-14

Essence: LM239ADR is an essential component in electronic circuits that require precise voltage comparison and signal processing.

Packaging/Quantity: The LM239ADR is available in tape and reel packaging with 2500 units per reel.

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 (minimum)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM239ADR has a total of 14 pins arranged as follows:

```

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| | --|IN+ IN-|-- Non-Inverting Inputs --|IN- IN+|-- Inverting Inputs --| VCC OUT |-- Output --| GND OUT |-- Output |___________| ```

Functional Features

• Quad differential comparator with open-drain outputs
• Low input offset voltage for accurate comparisons
• Wide supply voltage range allows for versatile applications
• High output current capability for driving various loads
• Fast response time ensures quick signal processing

Advantages

• Precise voltage comparison for accurate circuit operation
• Versatile supply voltage range enables compatibility with different systems
• Robust output current capability for driving various loads
• Fast response time ensures real-time signal processing

Disadvantages

• Limited number of comparators in a single package
• Open-drain outputs may require additional circuitry for certain applications

Working Principles

The LM239ADR operates on the principle of voltage comparison. It compares the voltages applied to its non-inverting and inverting inputs and produces a digital output based on the result of the comparison. The open-drain outputs allow for easy interfacing with other digital circuits.

Application Field Plans

The LM239ADR finds extensive use in various applications, including: 1. Voltage level detection in power supply circuits 2. Waveform shaping in audio and video processing systems 3. Signal conditioning in sensor interfaces 4. Overvoltage/undervoltage protection circuits 5. Window comparators for threshold detection

Alternative Models

Some alternative models to LM239ADR include: 1. LM339ADR: Quad differential comparator with push-pull outputs 2. LM311N: Single differential comparator with open-collector output 3. LM393N: Dual differential comparator with open-collector output

These alternatives offer similar functionality and can be used as substitutes depending on specific requirements.

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