LM4925SD/NOPB

Product Overview

Category: Audio Amplifier
Use: The LM4925SD/NOPB is a stereo audio amplifier designed for portable devices such as smartphones, tablets, and portable media players.
Characteristics: It is known for its low power consumption, small package size, and high-quality audio output.
Package: The LM4925SD/NOPB comes in a small outline package (SOP) with a specified quantity per reel.
Essence: This audio amplifier is essential for enhancing the audio experience in portable electronic devices.

Specifications

• Output Power: 1.1W per channel into 8Ω at 5V
• Total Harmonic Distortion + Noise (THD+N): 0.15% at 1kHz
• Shutdown Current: 0.6μA (typical)
• Supply Voltage Range: 2.7V to 5.5V
• Package Type: Small Outline Package (SOP)

Detailed Pin Configuration

The LM4925SD/NOPB has a total of 14 pins, including power supply pins, input and output pins, and control pins. A detailed pin configuration diagram can be found in the product datasheet.

Functional Features

• Low power consumption
• Thermal shutdown protection
• Short-circuit and overvoltage protection
• Click-and-pop suppression during power-up/down

Advantages and Disadvantages

Advantages: - High-quality audio output - Small package size - Low power consumption

Disadvantages: - Limited output power compared to some higher-powered amplifiers - May require additional components for certain applications

Working Principles

The LM4925SD/NOPB operates by amplifying the audio signal received from the input source and delivering it to the connected speakers or headphones. It utilizes internal circuitry to ensure high-quality audio output while minimizing power consumption and protecting against potential faults.

Detailed Application Field Plans

The LM4925SD/NOPB is well-suited for use in various portable electronic devices, including: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Wearable devices

Detailed and Complete Alternative Models

Some alternative models to the LM4925SD/NOPB include: - LM4863: Stereo 1.1W Audio Power Amplifier - TPA2012: 2.1-W Mono Fully Differential Audio Power Amplifier

In conclusion, the LM4925SD/NOPB is a versatile and efficient audio amplifier suitable for a wide range of portable electronic devices, offering high-quality audio output while maintaining low power consumption.

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