LM4809LQ/NOPB

Product Overview

Category

LM4809LQ/NOPB belongs to the category of audio amplifiers.

Use

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

Characteristics

• High-quality audio amplification
• Low power consumption
• Small package size
• Enhanced audio performance

Package

The LM4809LQ/NOPB comes in a small outline package (SOIC) with 8 pins.

Essence

The essence of LM4809LQ/NOPB lies in its ability to provide high-fidelity audio amplification in a compact form factor.

Packaging/Quantity

The LM4809LQ/NOPB is typically packaged in reels with a quantity of 2500 units per reel.

Specifications

• Power Supply Range: 2.7V to 5.5V
• Output Power: 105mW at 1% THD+N into 16Ω
• Shutdown Current: 0.6μA (typical)
• Total Harmonic Distortion + Noise (THD+N): 0.1% (typical)

Detailed Pin Configuration

1. VDD - Power supply input
2. GND - Ground
3. SHUTDOWN - Shutdown control
4. BYPASS - Bypass capacitor connection
5. IN- - Negative audio input
6. IN+ - Positive audio input
7. OUT - Audio output
8. VSS - Ground

Functional Features

• Low shutdown current
• Thermal shutdown protection
• Unity-gain stable
• Internal pop reduction circuitry

Advantages and Disadvantages

Advantages

• Low power consumption
• Compact package size
• High-quality audio amplification

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Requires external components for full functionality

Working Principles

The LM4809LQ/NOPB operates by amplifying the input audio signal using internal circuitry and then delivering the amplified signal to the output pin. It utilizes low power while maintaining high audio fidelity.

Detailed Application Field Plans

The LM4809LQ/NOPB is suitable for use in various portable electronic devices where space and power consumption are critical factors. It can be integrated into smartphones, portable media players, and handheld gaming devices to enhance the audio experience for users.

Detailed and Complete Alternative Models

• LM4863
• LM4871
• LM4894
• MAX97220

In conclusion, the LM4809LQ/NOPB is a compact and efficient audio amplifier suitable for portable electronic devices, offering high-quality audio amplification while minimizing power consumption.

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