LM4860MX/NOPB

Product Overview

• Category: Audio Amplifier
• Use: The LM4860MX/NOPB is a versatile audio amplifier designed for use in portable electronic devices such as smartphones, tablets, and portable music players.
• Characteristics: This audio amplifier is known for its high efficiency, low distortion, and low quiescent current, making it ideal for battery-powered applications. It comes in a miniature surface-mount package, making it suitable for compact designs.
• Package: Surface-Mount (SMD)
• Essence: The essence of the LM4860MX/NOPB lies in its ability to deliver high-quality audio amplification while consuming minimal power.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Power Supply Voltage: 2.7V to 5.5V
• Output Power: 1W per channel into 8Ω at 5V
• Total Harmonic Distortion (THD): 0.2% (typical) at 1kHz, 1W, 8Ω
• Quiescent Current: 4mA (typical)
• Shutdown Current: 0.6μA (typical)

Detailed Pin Configuration

The LM4860MX/NOPB features a standard 8-pin surface-mount package with the following pin configuration: 1. SHUTDOWN (SD): Shutdown control input 2. VDD: Positive power supply 3. IN- (Left Channel Input): Audio input for left channel 4. IN+ (Left Channel Input): Audio input for left channel 5. GND: Ground 6. OUT- (Left Channel Output): Audio output for left channel 7. OUT+ (Left Channel Output): Audio output for left channel 8. VSS: Negative power supply

Functional Features

• Low Quiescent Current: Enables extended battery life in portable devices.
• High Efficiency: Minimizes power consumption while delivering clear audio output.
• Thermal Shutdown Protection: Safeguards the device from overheating.
• Unity-Gain Stable: Allows for easy implementation in various audio systems.

Advantages and Disadvantages

Advantages

• High efficiency
• Low distortion
• Small form factor
• Thermal shutdown protection

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Requires external components for full functionality

Working Principles

The LM4860MX/NOPB operates by amplifying the audio input signals and driving them through the connected speakers. It utilizes a low quiescent current design to minimize power consumption, making it suitable for battery-powered applications. The thermal shutdown protection ensures the device's safety under extreme operating conditions.

Detailed Application Field Plans

The LM4860MX/NOPB finds extensive application in portable electronic devices, including: - Smartphones - Tablets - Portable music players - Bluetooth speakers - Portable gaming devices

Detailed and Complete Alternative Models

• LM4861: Higher output power version of LM4860MX/NOPB
• LM4862: Dual-channel audio amplifier with similar characteristics
• LM4881: Stereo Class D audio amplifier with integrated boost converter

In conclusion, the LM4860MX/NOPB is a highly efficient and compact audio amplifier suitable for various portable electronic devices. Its low power consumption and high-quality audio amplification make it an ideal choice for battery-powered applications.

[Word Count: 464]