LM49151TL/NOPB

Product Overview

Category

The LM49151TL/NOPB belongs to the category of audio power amplifiers.

Use

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

Characteristics

• High-quality audio amplification
• Low power consumption
• Compact size
• Wide operating voltage range
• Thermal shutdown protection
• Short-circuit protection

Package

The LM49151TL/NOPB is available in a small outline package (SOT) with a specific pin configuration.

Essence

The essence of LM49151TL/NOPB lies in its ability to provide efficient and high-quality audio amplification while consuming minimal power.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specified quantity of LM49151TL/NOPB units per package.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Output Power: Up to 1.3W
• Total Harmonic Distortion: <0.1%
• Signal-to-Noise Ratio: >90dB
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM49151TL/NOPB has the following pin configuration:

1. VDD: Power supply input
2. GND: Ground reference
3. SD: Shutdown control input
4. INL: Left channel audio input
5. INR: Right channel audio input
6. BST: Boosted output
7. OUTL: Left channel audio output
8. OUTR: Right channel audio output

Functional Features

• High audio fidelity
• Low noise and distortion
• Integrated shutdown control
• Stereo audio amplification
• Boosted output for increased volume

Advantages and Disadvantages

Advantages

• High-quality audio amplification
• Low power consumption
• Compact size for easy integration
• Protection against thermal shutdown and short-circuits

Disadvantages

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

Working Principles

The LM49151TL/NOPB operates as a class AB audio amplifier. It receives audio input signals from the left and right channels, amplifies them, and delivers the amplified signals to the respective output channels. The boosted output feature ensures sufficient volume levels for various audio applications.

Detailed Application Field Plans

The LM49151TL/NOPB finds application in a wide range of electronic devices, including but not limited to: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Gaming consoles - Personal computers

Detailed and Complete Alternative Models

1. LM4863: Dual 2.2W Audio Power Amplifier
2. TPA3116D2: 50W Stereo Class D Audio Amplifier
3. MAX9744: 20W Stereo Class D Audio Power Amplifier
4. TDA7498E: 160W + 160W Dual BTL Class-D Audio Amplifier

These alternative models offer different power outputs and features, providing options based on specific requirements.

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