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LM4838MTEX/NOPB from NSC,National Semiconductor

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LM4838MTEX/NOPB

Manufacturer: NSC

Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain 28-HTSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
LM4838MTEX/NOPB,LM4838MTEXNOPB NSC 2350 In Stock

Description and Introduction

Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain 28-HTSSOP -40 to 85 The LM4838MTEX/NOPB is a stereo audio power amplifier manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Type:** Stereo Audio Power Amplifier  
- **Output Power:** 2.2W per channel into 4Ω at 5V (THD+N = 10%)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-Pin TSSOP  

### **Descriptions and Features:**  
- **Stereo Bridged Audio Power Amplifier:** Designed for driving speakers in portable devices.  
- **Low Voltage Operation:** Works efficiently at supply voltages as low as 2.7V.  
- **Low Power Consumption:** Features a shutdown mode for power savings.  
- **No External Output Coupling Capacitors Required:** Simplifies design and reduces component count.  
- **Thermal and Short-Circuit Protection:** Enhances reliability in various conditions.  
- **Pop-and-Click Suppression:** Minimizes noise during power-up and shutdown.  

This amplifier is commonly used in portable audio applications such as smartphones, tablets, and portable media players.

Application Scenarios & Design Considerations

Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain 28-HTSSOP -40 to 85

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