LM4838MTX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, stereo audio amplifier with integrated volume control and shutdown function.
• Package: 24-pin TSSOP package
• Essence: The LM4838MTX/NOPB is a versatile audio amplifier designed for various applications requiring high-quality sound amplification.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Power Supply Voltage: 2.7V to 5.5V
• Output Power: Up to 1.3W per channel into 8Ω load at 5V supply voltage
• Total Harmonic Distortion + Noise (THD+N): 0.1% at 1kHz, 1.2W output power
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4838MTX/NOPB has a 24-pin TSSOP package with the following pin configuration:

1. Shutdown
2. Volume Control
3. Input Left
4. Input Right
5. Bypass Capacitor
6. Output Right
7. Output Left
8. Gain Select
9. Gain Select
10. Gain Select
11. Gain Select
12. Gain Select
13. Gain Select
14. Gain Select
15. Gain Select
16. Gain Select
17. Gain Select
18. Gain Select
19. Gain Select
20. Gain Select
21. Gain Select
22. Gain Select
23. Gain Select
24. Gain Select

Functional Features

• Integrated volume control for easy sound adjustment.
• Shutdown function to conserve power when not in use.
• Low total harmonic distortion and noise for high-quality audio reproduction.
• Wide operating voltage range for flexibility in various applications.
• Thermal shutdown protection to prevent overheating.

Advantages and Disadvantages

Advantages: - High-performance audio amplification. - Integrated volume control simplifies system design. - Low distortion and noise for excellent sound quality. - Flexible operating voltage range. - Shutdown function for power conservation.

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

Working Principles

The LM4838MTX/NOPB is a stereo audio amplifier that amplifies the input audio signals and provides amplified output to drive speakers or headphones. It utilizes a combination of internal circuitry and external components to achieve high-quality sound reproduction. The integrated volume control allows users to adjust the sound level easily, while the shutdown function helps conserve power when the amplifier is not in use.

Detailed Application Field Plans

The LM4838MTX/NOPB can be used in various applications, including:

1. Portable audio devices such as MP3 players and smartphones.
2. Personal computers and laptops for enhanced audio output.
3. Home entertainment systems and multimedia speakers.
4. Automotive audio systems.
5. Gaming consoles and handheld gaming devices.
6. Communication devices like two-way radios and intercom systems.

Detailed and Complete Alternative Models

1. LM4863MT/NOPB: Stereo audio amplifier with similar features and performance.
2. TPA3110D2PWP: Class-D audio amplifier with higher output power.
3. MAX98357AETE+T: Digital audio amplifier with integrated digital-to-analog converter (DAC).

These alternative models offer different specifications and features, allowing users to choose the most suitable amplifier for their specific application requirements.

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