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LM4882M/NOPB
Product Overview
Category: Integrated Circuit (IC)
Use: Audio Amplifier
Characteristics: - High-performance audio amplifier - Low distortion and noise - Wide supply voltage range - Small package size - Easy to integrate into audio systems
Package: SOP-8 (Small Outline Package)
Essence: The LM4882M/NOPB is a high-performance audio amplifier IC designed for various audio applications. It offers low distortion and noise, making it suitable for high-quality audio systems.
Packaging/Quantity: The LM4882M/NOPB is available in tape and reel packaging with 2500 units per reel.
Specifications
- Supply Voltage Range: 2.7V to 5.5V
- Output Power: 1.1W (at 5V, 10% THD+N, 8Ω load)
- Total Harmonic Distortion + Noise (THD+N): 0.1% (at 1kHz, 5V, 8Ω load)
- Quiescent Current: 4mA (typical)
- Shutdown Current: 0.01μA (typical)
- Operating Temperature Range: -40°C to 85°C
Pin Configuration
The LM4882M/NOPB has the following pin configuration:
___________
| |
NC |1 8| VDD
IN- |2 7| SHUTDOWN
IN+ |3 6| OUT
GND |4 5| BYPASS
|___________|
Functional Features
- Low Distortion: The LM4882M/NOPB provides low distortion audio amplification, ensuring high-quality sound reproduction.
- Wide Supply Voltage Range: It operates within a wide supply voltage range of 2.7V to 5.5V, making it compatible with various power sources.
- Shutdown Mode: The SHUTDOWN pin allows the amplifier to enter a low-power shutdown mode, reducing power consumption when not in use.
- Bypass Mode: The BYPASS pin enables bypassing the internal gain stage, allowing for direct signal routing.
Advantages and Disadvantages
Advantages: - High-performance audio amplification - Low distortion and noise - Wide supply voltage range - Small package size for easy integration - Shutdown mode for power saving - Bypass mode for flexible signal routing
Disadvantages: - Limited output power compared to higher wattage amplifiers - May require additional components for specific applications
Working Principles
The LM4882M/NOPB is a class AB audio amplifier that utilizes a differential input stage followed by a push-pull output stage. It amplifies the audio signal while maintaining low distortion and noise levels. The amplifier can be controlled using the SHUTDOWN and BYPASS pins to optimize power consumption and signal routing.
Detailed Application Field Plans
The LM4882M/NOPB is suitable for a wide range of audio applications, including: 1. Portable audio devices 2. Headphone amplifiers 3. Multimedia speakers 4. Home theater systems 5. Automotive audio systems
Detailed and Complete Alternative Models
- TPA3116D2: A high-performance audio amplifier IC with higher output power and advanced features.
- LM386: A low-power audio amplifier IC suitable for battery-powered applications.
- TDA7294: A high-power audio amplifier IC designed for demanding audio systems.
These alternative models offer different specifications and features, providing options based on specific application requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LM4882M/NOPB en soluciones técnicas
What is the maximum supply voltage for LM4882M/NOPB?
- The maximum supply voltage for LM4882M/NOPB is 5.5V.What is the typical output power of LM4882M/NOPB?
- The typical output power of LM4882M/NOPB is 1W per channel into 8Ω at 5V.Can LM4882M/NOPB operate with a single supply voltage?
- Yes, LM4882M/NOPB can operate with a single supply voltage ranging from 2.7V to 5.5V.What is the recommended operating temperature range for LM4882M/NOPB?
- The recommended operating temperature range for LM4882M/NOPB is -40°C to 85°C.Does LM4882M/NOPB require external compensation?
- No, LM4882M/NOPB does not require external compensation.What is the typical quiescent current of LM4882M/NOPB?
- The typical quiescent current of LM4882M/NOPB is 4.6mA.Can LM4882M/NOPB be used in portable audio applications?
- Yes, LM4882M/NOPB is suitable for use in portable audio applications due to its low supply voltage and low quiescent current.What is the recommended input voltage range for LM4882M/NOPB?
- The recommended input voltage range for LM4882M/NOPB is 0.2V to 1.8V.Is LM4882M/NOPB suitable for driving headphones?
- Yes, LM4882M/NOPB is designed to drive headphones and can deliver high-quality audio output to headphones.Does LM4882M/NOPB have built-in thermal shutdown protection?
- Yes, LM4882M/NOPB includes built-in thermal shutdown protection to prevent overheating.