LM4864LD/NOPB

Product Overview

• Category: Audio Amplifier
• Use: The LM4864LD/NOPB is a stereo audio amplifier designed for use in portable devices, such as smartphones, tablets, and portable media players.
• Characteristics: This amplifier offers high efficiency and low quiescent current, making it suitable for battery-powered applications. It also features a low shutdown current and a low-power consumption mode.
• Package: The LM4864LD/NOPB comes in a small outline package (SOIC) with 14 pins.
• Essence: This audio amplifier is designed to provide high-quality audio output while minimizing power consumption, making it ideal for portable electronic devices.
• Packaging/Quantity: The LM4864LD/NOPB is typically available in reels of 2500 units.

Specifications

• Output Power: 1.1W per channel into 8Ω at 5V
• Total Harmonic Distortion (THD): 0.2% (typical) at 1kHz, 1.4W, 8Ω
• Shutdown Current: 0.6μA (typical)
• Supply Voltage Range: 2V to 5.5V
• Quiescent Current: 3.3mA (typical)

Detailed Pin Configuration

The LM4864LD/NOPB has the following pin configuration: 1. SHUTDOWN 2. V- 3. IN- 4. IN+ 5. BYPASS 6. GAIN 7. V+ 8. OUT1 9. OUT1 10. GND 11. GND 12. OUT2 13. OUT2 14. V-

Functional Features

• Low Shutdown Current: The amplifier can be put into a low-power shutdown mode, consuming minimal current when not in use.
• High Efficiency: The LM4864LD/NOPB offers high efficiency, making it suitable for battery-powered applications.
• Thermal Shutdown Protection: The device includes thermal shutdown protection to prevent damage from excessive heat.

Advantages and Disadvantages

Advantages: - High efficiency - Low quiescent current - Thermal shutdown protection

Disadvantages: - Limited output power compared to larger amplifiers - Requires external components for full functionality

Working Principles

The LM4864LD/NOPB operates by amplifying the input audio signal and driving it through the connected speakers. It utilizes a low-power shutdown mode to minimize power consumption when not in use.

Detailed Application Field Plans

The LM4864LD/NOPB is well-suited for various portable electronic devices, including: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Portable gaming devices

Detailed and Complete Alternative Models

• LM4863: Similar audio amplifier with lower output power
• LM4865: Higher-power audio amplifier with similar characteristics
• LM4881: Mono audio amplifier with comparable features

This completes the entry for LM4864LD/NOPB, providing comprehensive information about its category, use, characteristics, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.