LM48822TLX/NOPB

Introduction

The LM48822TLX/NOPB is a versatile audio amplifier belonging to the category of integrated circuits. This device is commonly used in various electronic applications due to its unique characteristics and performance capabilities.

Basic Information Overview

• Category: Integrated Circuit
• Use: Audio Amplification
• Characteristics: High efficiency, low distortion, compact size
• Package: Thin QFN-16
• Essence: Efficient audio amplification for portable devices
• Packaging/Quantity: Tape & Reel (2500 units per reel)

Specifications

• Output Power: 1.4W per channel at 5V, 10% THD+N, 1kHz
• Efficiency: 88% at 1.1W, 8Ω, 5V
• Total Harmonic Distortion + Noise (THD+N): 0.1% at 1.4W, 8Ω, 5V
• Quiescent Current: 2.3mA
• Shutdown Current: 0.01μA
• Operating Voltage Range: 2.7V to 5.5V

Detailed Pin Configuration

The LM48822TLX/NOPB features a total of 16 pins, each serving a specific function within the circuit. The detailed pin configuration is as follows: 1. OUT1-: Negative terminal of Channel 1 output 2. OUT1+: Positive terminal of Channel 1 output 3. VDD: Power supply input 4. GND: Ground connection 5. IN1-: Negative terminal of Channel 1 input 6. IN1+: Positive terminal of Channel 1 input 7. SHUTDOWN: Shutdown control input 8. BYPASS: Bypass capacitor connection 9. VDD: Power supply input 10. GND: Ground connection 11. IN2+: Positive terminal of Channel 2 input 12. IN2-: Negative terminal of Channel 2 input 13. OUT2+: Positive terminal of Channel 2 output 14. OUT2-: Negative terminal of Channel 2 output 15. VDD: Power supply input 16. GND: Ground connection

Functional Features

The LM48822TLX/NOPB offers the following functional features: - Dual-channel audio amplification - Low quiescent current - Thermal shutdown protection - Short-circuit and overvoltage protection - Shutdown mode for power conservation

Advantages and Disadvantages

Advantages

• High efficiency
• Low distortion
• Compact package size
• Built-in protection features

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Requires external components for optimal performance

Working Principles

The LM48822TLX/NOPB operates by amplifying the input audio signals received through the input pins and delivering them as amplified output signals through the corresponding output pins. The device utilizes efficient power management techniques to minimize power consumption while maintaining high-quality audio amplification.

Detailed Application Field Plans

The LM48822TLX/NOPB is well-suited for a wide range of applications including: - Portable audio devices - Mobile phones - Tablets - Laptop computers - Portable gaming consoles

Detailed and Complete Alternative Models

Some alternative models to the LM48822TLX/NOPB include: - TPA2012D2 from Texas Instruments - MAX98306 from Maxim Integrated - NCP2820 from ON Semiconductor

In conclusion, the LM48822TLX/NOPB is a highly efficient and compact audio amplifier integrated circuit suitable for various portable electronic devices, offering reliable performance and essential protection features.

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