LM49250RLX/NOPB

Product Overview

Category

The LM49250RLX/NOPB belongs to the category of audio 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 voltage range compatibility
• Integrated protection features

Package

The LM49250RLX/NOPB comes in a small outline package (SOP) with a specific pin configuration.

Essence

The essence of LM49250RLX/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, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.2W
• Total Harmonic Distortion (THD): <0.1%
• Signal-to-Noise Ratio (SNR): >90dB
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM49250RLX/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. OUTL: Left channel audio output
7. OUTR: Right channel audio output
8. Bypass: Bypass capacitor connection

Functional Features

• Single-ended stereo audio amplifier
• Integrated shutdown control for power saving
• Pop and click suppression during power-up and shutdown
• Thermal shutdown protection
• Short-circuit and overcurrent protection

Advantages and Disadvantages

Advantages

• High-quality audio amplification
• Low power consumption
• Compact size for space-constrained applications
• Integrated protection features ensure device safety

Disadvantages

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

Working Principles

The LM49250RLX/NOPB operates as a single-ended stereo audio amplifier. It takes the audio input signals from the left and right channels, amplifies them, and delivers the amplified signals to the respective audio outputs. The amplifier ensures high-quality audio reproduction while consuming minimal power.

Detailed Application Field Plans

The LM49250RLX/NOPB finds applications in various electronic devices where audio amplification is required. Some of the potential application fields include:

1. Smartphones and tablets
2. Portable media players
3. Bluetooth speakers
4. Gaming consoles
5. Personal computers

Detailed and Complete Alternative Models

1. LM4863: Dual 2.2W Audio 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, catering to diverse audio amplification requirements.

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