LM339APWRE4
Product Overview
Category: Integrated Circuits (ICs)
Use: LM339APWRE4 is a quad voltage comparator that is commonly used in various electronic circuits for comparing voltages and making decisions based on the comparison results.
Characteristics: - Low power consumption - Wide supply voltage range - High input impedance - Open collector outputs - Fast response time
Package: LM339APWRE4 is available in a small outline package (SOP) with 14 pins.
Essence: The essence of LM339APWRE4 lies in its ability to compare multiple input voltages and provide corresponding output signals based on the comparison results.
Packaging/Quantity: LM339APWRE4 is typically sold in reels, with each reel containing a quantity 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 +125°C
Pin Configuration
The LM339APWRE4 has 14 pins arranged as follows:
```
| | -|1 14|- VCC -|2 13|- Output 4 -|3 12|- Input 4 -|4 11|- GND -|5 10|- Input 3 -|6 9|- Output 3 -|7 8|- Input 2 |_________| ```
Functional Features
- Quad voltage comparator with open collector outputs
- Can operate from a single power supply or dual power supplies
- Provides a digital output indicating the comparison result
- Suitable for both analog and digital applications
Advantages and Disadvantages
Advantages: - Low power consumption makes it suitable for battery-powered devices - Wide supply voltage range allows for versatile applications - High input impedance minimizes loading effects on the input signals - Open collector outputs provide flexibility in interfacing with other circuitry
Disadvantages: - Limited output current capability may require additional buffering for certain applications - Input offset voltage may introduce small errors in precision applications
Working Principles
LM339APWRE4 compares the voltages applied to its input pins and produces corresponding output signals based on the comparison results. It utilizes internal comparators that compare the input voltages against a reference voltage. The output of each comparator is an open collector, which can be pulled low when the input voltage exceeds the reference voltage.
Detailed Application Field Plans
LM339APWRE4 finds applications in various fields, including: 1. Battery management systems 2. Motor control circuits 3. Voltage monitoring and protection circuits 4. Signal conditioning circuits 5. Industrial automation systems
Alternative Models
Some alternative models to LM339APWRE4 include: - LM311 - LM393 - LM324 - LM2903
These models offer similar functionality and can be used as substitutes depending on specific requirements.
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기술 솔루션에 LM339APWRE4 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of LM339APWRE4 in technical solutions:
Q: What is LM339APWRE4? A: LM339APWRE4 is a quad voltage comparator IC that can be used in various applications requiring analog signal comparison.
Q: What is the operating voltage range of LM339APWRE4? A: The operating voltage range of LM339APWRE4 is typically between 2V and 36V.
Q: Can LM339APWRE4 handle both analog and digital signals? A: Yes, LM339APWRE4 can handle both analog and digital signals for comparison purposes.
Q: How many comparators are there in LM339APWRE4? A: LM339APWRE4 consists of four independent voltage comparators in a single package.
Q: What is the output type of LM339APWRE4? A: The output of LM339APWRE4 is an open-drain output, which means it requires an external pull-up resistor.
Q: Can LM339APWRE4 operate in a wide temperature range? A: Yes, LM339APWRE4 is designed to operate in a wide temperature range, typically from -40°C to +125°C.
Q: What is the maximum supply current required by LM339APWRE4? A: The maximum supply current required by LM339APWRE4 is typically around 1.6mA.
Q: Can LM339APWRE4 be used in battery-powered applications? A: Yes, LM339APWRE4 can be used in battery-powered applications as it has a low supply current and wide operating voltage range.
Q: What are some common applications of LM339APWRE4? A: LM339APWRE4 is commonly used in applications such as voltage monitoring, level detection, window comparators, and motor control.
Q: Is LM339APWRE4 available in different package options? A: Yes, LM339APWRE4 is available in various package options, including the small outline package (SOP) and the thin shrink small outline package (TSSOP).
Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.