LM4665LD/NOPB

Product Overview

LM4665LD/NOPB belongs to the category of audio power amplifiers. It is commonly used in electronic devices such as portable speakers, headphones, and other audio equipment. The LM4665LD/NOPB is known for its compact size, high efficiency, and low power consumption. It comes in a small package and is designed to deliver high-quality audio output.

Characteristics

• Category: Audio Power Amplifier
• Use: Electronic devices such as portable speakers and headphones
• Package: Small form factor
• Essence: High efficiency and low power consumption
• Packaging/Quantity: Typically available in reels or tubes

Specifications

The LM4665LD/NOPB has the following specifications: - Output Power: 1.3W at 8Ω, 10% THD+N - Efficiency: Up to 85% - Supply Voltage: 2.7V to 5.5V - Shutdown Current: <1µA - Total Harmonic Distortion + Noise (THD+N): 0.1%

Detailed Pin Configuration

The LM4665LD/NOPB has a standard pin configuration with pins for power supply, input signal, and speaker output. The detailed pinout is as follows: 1. VDD (Power Supply) 2. GND (Ground) 3. SHUTDOWN (Shutdown Control) 4. IN- (Negative Input) 5. IN+ (Positive Input) 6. BYPASS (Bypass Capacitor) 7. OUT- (Negative Output) 8. OUT+ (Positive Output)

Functional Features

The LM4665LD/NOPB offers the following functional features: - Low quiescent current - Thermal shutdown protection - Short-circuit and over-temperature protection - Integrated gain setting resistor

Advantages and Disadvantages

Advantages

• Compact size
• High efficiency
• Low power consumption
• Integrated protection features

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Not suitable for high-power audio applications

Working Principles

The LM4665LD/NOPB operates by amplifying the input audio signal and delivering it to the connected speaker while maintaining high efficiency and low power consumption. It utilizes a Class D amplifier architecture to achieve its performance characteristics.

Detailed Application Field Plans

The LM4665LD/NOPB is well-suited for various portable audio applications, including: - Portable speakers - Headphones - Personal audio devices - Bluetooth speakers

Detailed and Complete Alternative Models

Some alternative models to LM4665LD/NOPB include: - TPA2016D2 - MAX98357A - PAM8403

In conclusion, the LM4665LD/NOPB is a compact and efficient audio power amplifier suitable for portable electronic devices requiring high-quality audio output within a limited power budget.

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