LM49270SQ/NOPB

Product Overview

Category

LM49270SQ/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 protection features

Package

The LM49270SQ/NOPB comes in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of LM49270SQ/NOPB lies in its ability to provide high-fidelity audio amplification while consuming minimal power.

Packaging/Quantity

The LM49270SQ/NOPB is typically packaged in reels and is available in varying quantities based on customer requirements.

Specifications

• Power Supply Range: 2.7V to 5.5V
• Output Power: Up to 1.25W per channel into 8Ω load
• Total Harmonic Distortion + Noise (THD+N): 0.1% at 1kHz, 1.0W, 8Ω
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The detailed pin configuration of LM49270SQ/NOPB includes input pins, output pins, power supply pins, and control pins. Refer to the datasheet for the complete pinout diagram.

Functional Features

• Integrated digital volume control
• Short-circuit and thermal protection
• Differential inputs for noise rejection
• Low quiescent current in shutdown mode

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited output power compared to higher wattage amplifiers
• May require additional external components for specific applications

Working Principles

The LM49270SQ/NOPB operates by receiving an analog audio input signal, amplifying it using internal circuitry, and delivering the amplified signal to an external speaker or headphone. The integrated control features allow for precise adjustment of volume and other parameters.

Detailed Application Field Plans

LM49270SQ/NOPB is well-suited for use in portable electronic devices such as smartphones, tablets, portable media players, and Bluetooth speakers. Its low power consumption and high-quality audio amplification make it ideal for battery-powered applications.

Detailed and Complete Alternative Models

• LM4863: A higher-power audio amplifier suitable for larger speaker systems
• LM4880: An audio amplifier with similar power characteristics but different packaging options
• LM49370: A related audio amplifier with additional integrated features for advanced applications

This completes the entry for LM49270SQ/NOPB, providing comprehensive information about its product category, use, characteristics, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.