LM239PWRE4

Product Overview

Category: Integrated Circuits (ICs)

Use: LM239PWRE4 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 input impedance - Fast response time - Low power consumption

Package: LM239PWRE4 is available in a small outline package (SOIC) with 14 pins.

Essence: The essence of LM239PWRE4 lies in its ability to compare two voltage inputs and provide a digital output based on the comparison result.

Packaging/Quantity: LM239PWRE4 is typically sold in reels containing 2500 units per reel.

Specifications

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

Detailed Pin Configuration

LM239PWRE4 has a total of 14 pins arranged as follows:

1. Output A
2. Inverting Input A
3. Non-Inverting Input A
4. VCC+
5. GND
6. Non-Inverting Input B
7. Inverting Input B
8. Output B
9. Output C
10. Inverting Input C
11. Non-Inverting Input C
12. VCC-
13. Output D
14. Inverting Input D

Functional Features

• Quad differential comparator with open-drain outputs
• Internal hysteresis for improved noise immunity
• Common-mode input voltage range includes ground
• Low output saturation voltage

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for versatile applications - Low input offset voltage ensures accurate comparisons - Fast response time enables real-time signal processing - Low power consumption for energy-efficient designs

Disadvantages: - Limited output current capability - Open-drain outputs may require additional pull-up resistors in certain applications

Working Principles

LM239PWRE4 compares the voltages applied to its non-inverting and inverting inputs and produces a digital output based on the comparison result. When the voltage at the non-inverting input is higher than the voltage at the inverting input, the output is pulled low. Conversely, when the voltage at the inverting input is higher, the output is pulled high.

Detailed Application Field Plans

LM239PWRE4 finds applications in various fields, including: 1. Industrial automation systems for voltage level detection and control. 2. Automotive electronics for waveform shaping and signal conditioning. 3. Consumer electronics for battery voltage monitoring and protection circuits.

Detailed and Complete Alternative Models

Some alternative models to LM239PWRE4 include: 1. LM339PWRE4: Similar quad differential comparator with push-pull outputs. 2. LM311PWRE4: Single differential comparator with open-drain output. 3. LM324PWRE4: Quad operational amplifier with similar functionality.

These alternative models offer different features and pin configurations, allowing designers to choose the most suitable option for their specific application requirements.

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