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LM4891M from NSC,National Semiconductor

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LM4891M

Manufacturer: NSC

1 Watt Audio Power Amplifier

Partnumber Manufacturer Quantity Availability
LM4891M NSC 181 In Stock

Description and Introduction

1 Watt Audio Power Amplifier The LM4891M is a power amplifier manufactured by National Semiconductor (NSC).  

**Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 1.1W (into 8Ω at 5V)  
- **Supply Voltage Range:** 2.2V to 5.5V  
- **THD+N (Total Harmonic Distortion + Noise):** 1% (typical at 1kHz, 1W into 8Ω)  
- **Shutdown Current:** 0.01μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin SOIC  

**Descriptions and Features:**  
- Designed for portable audio applications.  
- Features a shutdown mode for power saving.  
- Internal thermal shutdown protection.  
- No output coupling capacitors required.  
- Unity-gain stable.  
- Space-saving 8-pin SOIC package.  

(Source: National Semiconductor datasheet for LM4891M.)

Application Scenarios & Design Considerations

1 Watt Audio Power Amplifier

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