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LM4843MHX from NS,National Semiconductor

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LM4843MHX

Manufacturer: NS

Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain

Partnumber Manufacturer Quantity Availability
LM4843MHX NS 12375 In Stock

Description and Introduction

Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain The LM4843MHX is a manufacturer part from National Semiconductor (NS). Below are the factual details from Ic-phoenix technical data files:

### **Descriptions and Features:**  
1. **Type**: Audio Power Amplifier IC.  
2. **Configuration**: Stereo (2-channel) with a built-in DirectDrive® headphone amplifier.  
3. **Output Power**:  
   - 1.1W per channel into 8Ω at 5V (BTL mode).  
   - 40mW per channel into 32Ω (headphone mode).  
4. **Supply Voltage Range**: 2.7V to 5.5V.  
5. **Efficiency**: Features Class D operation for improved power efficiency.  
6. **THD+N**: Low distortion and noise performance.  
7. **Shutdown Current**: <1µA (typical).  
8. **Package**: 28-pin LLP (Leadless Leadframe Package).  
9. **Protection Features**: Thermal shutdown and short-circuit protection.  
10. **Applications**: Portable audio devices, smartphones, tablets, and multimedia systems.  

This information is based solely on the manufacturer's specifications.

Application Scenarios & Design Considerations

Stereo 2W Audio Power Amplifiers with DC Volume Control and Selectable Gain

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