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LM2904WN
Product Overview
Category: Integrated Circuit (IC)
Use: Operational Amplifier
Characteristics: - Dual operational amplifier - Low power consumption - Wide supply voltage range - High input impedance - Output short-circuit protection - Internal frequency compensation
Package: DIP-8 (Dual In-Line Package, 8 pins)
Essence: The LM2904WN is a dual operational amplifier that provides high-performance amplification for various electronic applications.
Packaging/Quantity: Available in tubes or reels with a quantity of 50 or 2,000 units per package.
Specifications
- Supply Voltage Range: ±1.5V to ±15V
- Input Offset Voltage: 2mV (maximum)
- Input Bias Current: 45nA (maximum)
- Input Offset Current: 5nA (maximum)
- Gain Bandwidth Product: 1MHz (typical)
- Slew Rate: 0.3V/μs (typical)
- Common Mode Rejection Ratio: 70dB (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The LM2904WN has a DIP-8 package with the following pin configuration:
___________
V+ | 1 8 | V-
IN-| 2 7 | OUT
IN+| 3 6 | NC
GND| 4 5 | NC
‾‾‾‾‾‾‾‾‾‾‾
Functional Features
- Dual operational amplifier allows for independent operation of two amplifiers within a single package.
- Low power consumption makes it suitable for battery-powered devices.
- Wide supply voltage range enables compatibility with various power sources.
- High input impedance minimizes loading effects on the signal source.
- Output short-circuit protection prevents damage to the amplifier in case of a short circuit.
- Internal frequency compensation simplifies circuit design.
Advantages and Disadvantages
Advantages: - Dual amplifier configuration provides flexibility in circuit design. - Low power consumption extends battery life in portable devices. - Wide supply voltage range allows for compatibility with different power sources. - High input impedance reduces signal distortion. - Output short-circuit protection enhances reliability.
Disadvantages: - Limited gain bandwidth product compared to some other operational amplifiers. - Relatively low slew rate may limit its use in high-frequency applications.
Working Principles
The LM2904WN is based on a differential amplifier configuration, which amplifies the voltage difference between its two input terminals. It utilizes internal transistors and resistors to achieve amplification and provide the desired characteristics. The operational amplifier's output is proportional to the difference between the voltages applied to its inputs, multiplied by the amplifier's gain.
Detailed Application Field Plans
The LM2904WN is commonly used in various electronic applications, including: 1. Audio amplifiers 2. Signal conditioning circuits 3. Active filters 4. Voltage comparators 5. Oscillators 6. Sensor interfaces
Detailed and Complete Alternative Models
Some alternative models that can be considered as replacements for the LM2904WN are: - LM358 - TL072 - NE5532 - LM324 - OP07
These alternatives offer similar functionality and characteristics, allowing for easy substitution based on specific requirements.
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Énumérez 10 questions et réponses courantes liées à l'application de LM2904WN dans les solutions techniques
Sure! Here are 10 common questions and answers related to the application of LM2904WN in technical solutions:
Q: What is LM2904WN? A: LM2904WN is a dual operational amplifier (op-amp) integrated circuit commonly used in various electronic applications.
Q: What are the key features of LM2904WN? A: Some key features of LM2904WN include low input offset voltage, low input bias current, wide supply voltage range, and high gain bandwidth product.
Q: What are the typical applications of LM2904WN? A: LM2904WN is widely used in audio amplifiers, active filters, voltage comparators, signal conditioning circuits, and many other analog signal processing applications.
Q: What is the supply voltage range for LM2904WN? A: The supply voltage range for LM2904WN typically ranges from 3V to 32V, making it compatible with a wide range of power sources.
Q: Can LM2904WN operate on a single power supply? A: Yes, LM2904WN can operate on a single power supply, as it has a wide supply voltage range that includes single-supply operation.
Q: What is the maximum output current of LM2904WN? A: The maximum output current of LM2904WN is typically around 20mA, which allows it to drive small loads directly.
Q: Is LM2904WN suitable for low-power applications? A: Yes, LM2904WN is designed for low-power applications, consuming very low quiescent current, typically in the microampere range.
Q: Can LM2904WN handle rail-to-rail input and output signals? A: No, LM2904WN is not a rail-to-rail op-amp. It has limited input and output voltage ranges, typically a few volts below the supply rails.
Q: What is the temperature range for LM2904WN? A: LM2904WN is designed to operate over a wide temperature range, typically from -40°C to 125°C, making it suitable for various environments.
Q: Is LM2904WN available in different package types? A: Yes, LM2904WN is available in various package types, including DIP (Dual Inline Package) and SOIC (Small Outline Integrated Circuit), providing flexibility for different PCB layouts and assembly methods.
Please note that these answers are general and may vary depending on specific datasheet specifications and manufacturer recommendations.