LM4863MT/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Power Amplifier
• Characteristics: High-performance, stereo audio amplifier
• Package: 14-TSSOP (Thin Shrink Small Outline Package)
• Essence: Provides high-quality audio amplification for various applications
• Packaging/Quantity: Available in tape and reel packaging, quantity depends on supplier

Specifications

• Power Supply Voltage: 2.5V to 5.5V
• Output Power: 1.1W per channel (at 5V, 10% THD+N, 8Ω load)
• Total Harmonic Distortion + Noise (THD+N): 0.2% (typical)
• Shutdown Current: 0.6μA (typical)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM4863MT/NOPB IC has a total of 14 pins. The pin configuration is as follows:

1. VDD: Power supply voltage input
2. IN1-: Negative input terminal for Channel 1
3. IN1+: Positive input terminal for Channel 1
4. SHUTDOWN: Shutdown control input
5. BYPASS: Bypass capacitor connection
6. GND: Ground reference
7. OUT1: Output terminal for Channel 1
8. VDD: Power supply voltage input
9. IN2-: Negative input terminal for Channel 2
10. IN2+: Positive input terminal for Channel 2
11. SHUTDOWN: Shutdown control input
12. BYPASS: Bypass capacitor connection
13. GND: Ground reference
14. OUT2: Output terminal for Channel 2

Functional Features

• High-quality audio amplification for stereo applications
• Low power consumption and shutdown current
• Thermal shutdown protection
• Short-circuit and over-temperature protection
• BTL (Bridge-Tied Load) configuration for improved efficiency

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Wide operating voltage range - Compact package size - Built-in protection features

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires external components for proper operation

Working Principles

The LM4863MT/NOPB is a stereo audio power amplifier that operates by amplifying the input audio signals received through the IN1+ and IN1- pins for Channel 1, and IN2+ and IN2- pins for Channel 2. The amplified audio signals are then output through the OUT1 and OUT2 pins, respectively.

The IC operates on a low power supply voltage and provides high-quality audio amplification with minimal distortion. It incorporates various protection features such as thermal shutdown, short-circuit protection, and over-temperature protection to ensure safe and reliable operation.

Detailed Application Field Plans

The LM4863MT/NOPB is commonly used in various audio applications, including:

1. Portable audio devices: Provides amplification for headphones or small speakers in portable music players, smartphones, and tablets.
2. Multimedia systems: Used in computer speakers, soundbars, and home theater systems to enhance audio output.
3. Automotive audio systems: Amplifies audio signals for car stereos and infotainment systems.
4. Gaming consoles: Enhances audio output for gaming consoles and accessories.
5. Industrial equipment: Used in audio amplification for intercom systems, public address systems, and other industrial applications.

Detailed and Complete Alternative Models

1. TPA3116D2: A high-performance Class D audio amplifier with similar power output and features.
2. LM386: A low-power audio amplifier suitable for battery-powered applications.
3. TDA7294: A high-power audio amplifier capable of driving larger speakers.

These alternative models offer different specifications and features, allowing users to choose the most suitable option based on their specific requirements.

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