LM4665MM/NOPB

Product Overview

• Category: Audio Amplifier
• Use: The LM4665MM/NOPB is a high-performance audio amplifier designed for portable electronic devices such as smartphones, tablets, and portable media players.
• Characteristics: It offers low power consumption, small package size, and high efficiency, making it ideal for battery-powered applications. The device also features thermal shutdown and short-circuit protection.
• Package: Miniature 8-pin MSOP package
• Essence: The LM4665MM/NOPB is essential for enhancing the audio output quality of portable electronic devices while maintaining low power consumption.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Output Power: 1.1W at 10% THD into 8Ω
• Efficiency: 85% at 125mW into 8Ω
• Quiescent Current: 2.5mA
• Supply Voltage Range: 2.7V to 5.5V
• Shutdown Current: 0.01μA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

1. IN- (Pin 1): Audio Input Negative
2. IN+ (Pin 2): Audio Input Positive
3. BP (Pin 3): Bypass Capacitor Connection
4. GND (Pin 4): Ground
5. VDD (Pin 5): Power Supply
6. SD (Pin 6): Shutdown Control
7. OUT (Pin 7): Speaker Output
8. OUT (Pin 8): Speaker Output

Functional Features

• High Efficiency: The LM4665MM/NOPB offers high efficiency, making it suitable for battery-powered devices.
• Thermal Shutdown: The device includes thermal shutdown protection, preventing damage from overheating.
• Short-Circuit Protection: It features built-in short-circuit protection to safeguard the amplifier and connected devices.

Advantages and Disadvantages

Advantages

• High efficiency
• Low power consumption
• Small package size
• Thermal shutdown protection
• Short-circuit protection

Disadvantages

• Limited output power compared to larger amplifiers
• Restricted to low-power audio applications

Working Principles

The LM4665MM/NOPB operates by amplifying the audio input signal and delivering it to the connected speaker with high efficiency. It utilizes a low quiescent current to minimize power consumption and includes protective features such as thermal shutdown and short-circuit protection to ensure reliable operation.

Detailed Application Field Plans

The LM4665MM/NOPB is well-suited for various portable electronic devices, including: - Smartphones - Tablets - Portable media players - Handheld gaming devices - Bluetooth speakers

Detailed and Complete Alternative Models

• TPA2012D2: Similar audio amplifier with higher output power
• MAX98306: Low-power audio amplifier with integrated volume control
• TS4871: Ultra-low power audio amplifier with shutdown mode

This completes the English editing encyclopedia entry structure for LM4665MM/NOPB.