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LM4755T/NOPB
Product Overview
Category: Audio Amplifier
Use: The LM4755T/NOPB is a stereo audio amplifier designed for use in consumer electronics and audio systems.
Characteristics: This amplifier offers high-quality audio output, low distortion, and efficient power consumption.
Package: The LM4755T/NOPB is available in a 15-lead TO-220 package.
Essence: It provides high-fidelity audio amplification for various applications.
Packaging/Quantity: The LM4755T/NOPB is typically sold in reels of 250 units.
Specifications
- Output Power: 11W per channel into 8Ω at 0.1% THD+N
- Supply Voltage Range: ±10V to ±30V
- Total Harmonic Distortion + Noise (THD+N): 0.1%
- Quiescent Power Supply Current: 20mA
- Shutdown Current: 0.1μA
Detailed Pin Configuration
The LM4755T/NOPB features a 15-pin configuration: 1. OUT1 2. GND 3. V- 4. BYPASS 5. IN1- 6. IN1+ 7. V+ 8. MUTE 9. SHUTDOWN 10. BYPASS 11. IN2+ 12. IN2- 13. V- 14. GND 15. OUT2
Functional Features
- High-quality audio amplification
- Low distortion
- Thermal shutdown protection
- Short-circuit protection
- Soft clipping
Advantages and Disadvantages
Advantages: - High-fidelity audio output - Efficient power consumption - Built-in protection features
Disadvantages: - Requires external components for full functionality - Higher cost compared to some alternatives
Working Principles
The LM4755T/NOPB operates by amplifying the input audio signal and delivering it to the connected speakers with minimal distortion and high efficiency. It utilizes internal circuitry to protect against thermal issues and short circuits, ensuring reliable performance.
Detailed Application Field Plans
The LM4755T/NOPB is suitable for a wide range of applications, including: - Home audio systems - Portable speakers - Car audio systems - Multimedia devices
Detailed and Complete Alternative Models
- TPA3116D2: A digital audio amplifier with similar power output and efficiency.
- TDA7266: An analog audio amplifier with comparable characteristics and package options.
In conclusion, the LM4755T/NOPB is a versatile stereo audio amplifier that offers high-quality audio amplification for various consumer electronics and audio systems. With its efficient performance and built-in protection features, it is well-suited for a range of applications.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LM4755T/NOPB trong giải pháp kỹ thuật
Question: What is the maximum power output of LM4755T/NOPB?
Answer: The LM4755T/NOPB has a maximum power output of 11W per channel into an 8Ω load.Question: What is the input voltage range for LM4755T/NOPB?
Answer: The input voltage range for LM4755T/NOPB is typically ±22V.Question: Can LM4755T/NOPB be used in bridge-tied load (BTL) configuration?
Answer: Yes, LM4755T/NOPB can be used in bridge-tied load (BTL) configuration to drive higher power loads.Question: What is the recommended operating temperature range for LM4755T/NOPB?
Answer: The recommended operating temperature range for LM4755T/NOPB is -40°C to 85°C.Question: Does LM4755T/NOPB require external heat sinks for thermal management?
Answer: LM4755T/NOPB may require external heat sinks for thermal management depending on the application and power dissipation.Question: Can LM4755T/NOPB be used in automotive audio applications?
Answer: Yes, LM4755T/NOPB is suitable for automotive audio applications with proper consideration for environmental factors.Question: What is the typical total harmonic distortion (THD) of LM4755T/NOPB?
Answer: The typical total harmonic distortion (THD) of LM4755T/NOPB is 0.1% at 1W into 8Ω.Question: Is LM4755T/NOPB protected against short-circuit and thermal overload?
Answer: Yes, LM4755T/NOPB features short-circuit and thermal overload protection for reliable operation.Question: What is the supply voltage rejection ratio (PSRR) of LM4755T/NOPB?
Answer: The supply voltage rejection ratio (PSRR) of LM4755T/NOPB is typically 70dB at 217Hz.Question: Can LM4755T/NOPB be used in portable battery-powered devices?
Answer: Yes, LM4755T/NOPB's low quiescent current and wide supply voltage range make it suitable for portable battery-powered devices.