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LM49150TLX from NS,National Semiconductor

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LM49150TLX

Manufacturer: NS

Mono Class D Audio Subsystem with Earpiece Driver and Stereo Ground Referenced Headphone Amplifiers

Partnumber Manufacturer Quantity Availability
LM49150TLX NS 6000 In Stock

Description and Introduction

Mono Class D Audio Subsystem with Earpiece Driver and Stereo Ground Referenced Headphone Amplifiers The LM49150TLX is a mono 1.1W Class D audio power amplifier manufactured by Texas Instruments (NS).  

**Specifications:**  
- Output Power: 1.1W into 8Ω at 5V  
- Supply Voltage Range: 2.7V to 5.5V  
- Efficiency: Up to 90%  
- Shutdown Current: <1μA  
- Quiescent Current: 2.5mA  
- Total Harmonic Distortion + Noise (THD+N): <1% (1W, 8Ω, 5V)  
- Operating Temperature Range: -40°C to +85°C  
- Package: 6-pin DSBGA (1.5mm x 1.5mm)  

**Descriptions:**  
The LM49150TLX is a high-efficiency, mono Class D amplifier designed for portable audio applications. It features a low-power shutdown mode and operates from a single supply, making it suitable for battery-powered devices.  

**Features:**  
- High-efficiency Class D operation  
- Low shutdown current  
- Improved PSRR (Power Supply Rejection Ratio)  
- No output filter required  
- Thermal and short-circuit protection  
- Small footprint package  

This amplifier is commonly used in smartphones, tablets, and other portable audio devices.

Application Scenarios & Design Considerations

Mono Class D Audio Subsystem with Earpiece Driver and Stereo Ground Referenced Headphone Amplifiers

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