LM49200TL/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - Low power consumption - High efficiency - Small package size - Wide voltage range - Excellent audio quality

Package: Thin Shrink Small Outline Package (TSSOP)

Essence: The LM49200TL/NOPB is a high-performance audio amplifier IC designed for portable electronic devices such as smartphones, tablets, and portable media players.

Packaging/Quantity: The LM49200TL/NOPB is available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Output Power: Up to 1.2W
• Total Harmonic Distortion + Noise (THD+N): 0.03%
• Shutdown Current: 0.01µA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM49200TL/NOPB has the following pin configuration:

1. VDD: Power supply voltage 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

• Class AB amplifier architecture
• Differential inputs for improved noise rejection
• Pop and click suppression circuitry
• Thermal shutdown protection
• Short-circuit and overcurrent protection

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life - High efficiency reduces heat dissipation - Small package size allows for compact device designs - Wide voltage range enables compatibility with various power sources - Excellent audio quality enhances user experience

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

Working Principles

The LM49200TL/NOPB operates as a class AB audio amplifier. It amplifies the audio signals received from the input channels and delivers them to the corresponding output channels. The differential inputs help reject common-mode noise, ensuring high-quality audio reproduction. The pop and click suppression circuitry eliminates unwanted noise during power-on and power-off transitions. Thermal shutdown, short-circuit, and overcurrent protection mechanisms safeguard the IC and connected devices.

Detailed Application Field Plans

The LM49200TL/NOPB is widely used in portable electronic devices where audio amplification is required. Some of its application fields include:

1. Smartphones
2. Tablets
3. Portable media players
4. Bluetooth speakers
5. Gaming consoles
6. Wearable devices

Detailed and Complete Alternative Models

1. LM4863LQ/NOPB
2. TPA3110D2PWP
3. MAX98357AETE+T
4. PAM8403DR
5. TDA7498E/N2

These alternative models offer similar functionality and can be considered as alternatives to the LM49200TL/NOPB based on specific requirements and design considerations.

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