LM49200TLX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - Low power audio amplifier - Small package size - High efficiency - Wide supply voltage range

Package: Thin SOT-23-5

Essence: The LM49200TLX/NOPB is a low power audio amplifier IC designed for portable devices such as smartphones, tablets, and portable media players. It provides high-quality audio amplification while consuming minimal power.

Packaging/Quantity: The LM49200TLX/NOPB is available in a thin SOT-23-5 package. Each package contains one IC.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.2W
• Total Harmonic Distortion + Noise (THD+N): 0.1%
• Shutdown Current: 0.01µA
• Quiescent Current: 3.5mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM49200TLX/NOPB has the following pin configuration:

1. VDD: Power supply input
2. GND: Ground reference
3. SD: Shutdown control input
4. INP: Positive audio input
5. OUT: Audio output

Functional Features

• Low power consumption
• High efficiency
• Thermal shutdown protection
• Short-circuit and overcurrent protection
• Pop and click suppression during power-up and shutdown

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life in portable devices - High efficiency reduces heat dissipation - Small package size allows for compact designs - Pop and click suppression enhances user experience

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

Working Principles

The LM49200TLX/NOPB is a class AB audio amplifier that utilizes a bridge-tied load (BTL) configuration. It amplifies the audio signal received at the input and delivers it to the output with minimal distortion. The amplifier operates in a low-power mode when no audio signal is present, reducing power consumption.

Detailed Application Field Plans

The LM49200TLX/NOPB is suitable for various portable audio applications, including: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Gaming devices

Detailed and Complete Alternative Models

1. LM4863: Dual 2.2W Audio Amplifier
2. LM386: Low Voltage Audio Power Amplifier
3. TPA3116D2: 50W Stereo Class D Audio Amplifier

These alternative models offer different power outputs and features, providing options for various audio amplification requirements.

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