LM4667ITLX/NOPB

Product Overview

• Belongs to: Integrated Circuit (IC)
• Category: Audio Amplifier
• Use: The LM4667ITLX/NOPB is a high-performance audio amplifier designed for portable electronic devices such as smartphones, tablets, and portable media players.
• Characteristics: It is known for its low power consumption, small package size, and high-quality audio output.
• Package: Thin QFN package
• Essence: The essence of the LM4667ITLX/NOPB lies in its ability to deliver clear and powerful audio while consuming minimal power.
• Packaging/Quantity: Typically packaged in reels of 2500 units.

Specifications

• Power Supply Range: 2.4V to 5.5V
• Output Power: 1.2W at 3.6V, 10% THD+N, 8Ω Load
• Shutdown Current: 0.01μA (typical)
• Total Harmonic Distortion + Noise (THD+N): 0.1% (typical)

Detailed Pin Configuration

• Pin 1: Shutdown
• Pin 2: Input
• Pin 3: GND
• Pin 4: Bypass
• Pin 5: Output
• Pin 6: VDD

Functional Features

• Low Power Consumption: Ideal for battery-powered devices.
• Integrated Gain Settings: Allows for flexibility in different audio applications.
• Thermal Shutdown Protection: Ensures safe operation under extreme conditions.

Advantages and Disadvantages

• Advantages:
  • High-quality audio output
  • Low power consumption
  • Small package size
• Disadvantages:
  • Limited output power compared to larger amplifiers
  • Requires careful PCB layout for optimal performance

Working Principles

The LM4667ITLX/NOPB operates by amplifying the input audio signal and delivering it to the connected speaker or headphone. It utilizes low power while maintaining high fidelity audio reproduction.

Detailed Application Field Plans

• Smartphones: Enhancing audio output for music and multimedia applications.
• Tablets: Improving the sound quality for movies and gaming.
• Portable Media Players: Providing clear and powerful audio for on-the-go entertainment.

Detailed and Complete Alternative Models

• LM4863: Higher output power but larger package size.
• LM4881: Lower power consumption but with slightly lower audio quality.

This comprehensive overview provides insight into the LM4667ITLX/NOPB audio amplifier, its specifications, features, and potential applications.

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