LM48823TL/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High efficiency - Low noise - Wide supply voltage range - Small package size - Thermal shutdown protection

Package: Thin Shrink Small Outline Package (TSSOP)

Essence: The LM48823TL/NOPB is a high-performance audio amplifier IC designed for portable devices such as smartphones, tablets, and portable media players.

Packaging/Quantity: The LM48823TL/NOPB is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Output Power: Up to 1.1W per channel
• Total Harmonic Distortion + Noise (THD+N): 0.1% (typical)
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM48823TL/NOPB has a total of 16 pins. Here is the detailed pin configuration:

1. VDD: Positive power supply
2. SD: Shutdown control input
3. INL: Left channel audio input
4. GND: Ground
5. INR: Right channel audio input
6. BYP: Bypass capacitor connection
7. OUTL: Left channel audio output
8. OUTR: Right channel audio output
9. VDD: Positive power supply
10. VDD: Positive power supply
11. VDD: Positive power supply
12. VDD: Positive power supply
13. VDD: Positive power supply
14. VDD: Positive power supply
15. VDD: Positive power supply
16. VDD: Positive power supply

Functional Features

• High efficiency audio amplification
• Low noise and distortion
• Thermal shutdown protection to prevent overheating
• Shutdown control for power-saving mode
• Bypass capacitor connection for improved performance

Advantages and Disadvantages

Advantages: - High efficiency results in longer battery life for portable devices - Low noise ensures high-quality audio output - Wide supply voltage range allows compatibility with various power sources - Small package size saves space in compact designs - Thermal shutdown protection prevents damage due to overheating

Disadvantages: - Limited output power compared to larger audio amplifiers - May require additional external components for optimal performance

Working Principles

The LM48823TL/NOPB is a class AB audio amplifier that utilizes a bridge-tied load (BTL) configuration. It amplifies the audio signal received from the input channels and delivers it to the corresponding output channels. The amplifier operates efficiently, minimizing power consumption while providing high-quality audio output.

Detailed Application Field Plans

The LM48823TL/NOPB is commonly used in portable electronic devices where space and power efficiency are crucial. Some potential application fields include:

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

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the LM48823TL/NOPB:

1. LM4863: Dual 2.2W Audio Amplifier
2. TPA3110D2: 15W Stereo Class D Audio Power Amplifier
3. MAX98357A: Mono 3.2W Class D Audio Amplifier

These alternative models can be considered based on specific requirements and design constraints.

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