LM4930LQX/NOPB

Product Overview

Category

LM4930LQX/NOPB belongs to the category of audio amplifiers.

Use

It is used for amplifying audio signals in various electronic devices such as smartphones, tablets, and portable media players.

Characteristics

• High-quality audio amplification
• Low power consumption
• Small form factor
• Integrated features for improved audio performance

Package

The LM4930LQX/NOPB comes in a small outline package (DSBGA) for easy integration into compact electronic devices.

Essence

The essence of LM4930LQX/NOPB lies in its ability to deliver high-quality audio amplification while consuming minimal power and occupying minimal space.

Packaging/Quantity

The LM4930LQX/NOPB is typically packaged in reels with a quantity of 2500 units per reel.

Specifications

• Power Supply Voltage: 2.7V to 5.5V
• Output Power: 1.3W per channel into 8Ω at 5V
• Total Harmonic Distortion + Noise: 0.15% (typical) at 1kHz, 1.2W, 8Ω
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM4930LQX/NOPB has a total of 36 pins, including power supply pins, input and output pins, and control pins. The detailed pin configuration can be found in the product datasheet.

Functional Features

• Integrated stereo Class D speaker drivers
• Programmable gain settings
• Integrated DC volume control
• Click-and-pop suppression
• Thermal shutdown and overcurrent protection

Advantages and Disadvantages

Advantages

• High-quality audio amplification
• Low power consumption
• Compact form factor
• Integrated protection features

Disadvantages

• Limited output power compared to some higher-power amplifiers
• May require external components for certain configurations

Working Principles

The LM4930LQX/NOPB operates on the principle of converting digital audio signals into amplified analog signals using its integrated Class D speaker drivers. It utilizes programmable gain settings and DC volume control to provide precise control over the amplified audio output.

Detailed Application Field Plans

The LM4930LQX/NOPB is well-suited for use in portable electronic devices where space and power efficiency are crucial. It can be integrated into smartphones, tablets, portable media players, and other handheld devices to enhance their audio capabilities.

Detailed and Complete Alternative Models

• LM48901: A similar audio amplifier with lower power output but compatible features.
• LM48824: An alternative with higher output power and additional audio processing features.

In conclusion, the LM4930LQX/NOPB is a versatile audio amplifier designed for compact electronic devices, offering high-quality audio amplification with minimal power consumption and a small form factor. Its integrated features and protection mechanisms make it an ideal choice for various portable applications. While it may have limitations in terms of output power, it provides an effective solution for enhancing audio performance in space-constrained environments.