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LM4890IBL from NSC,National Semiconductor

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LM4890IBL

Manufacturer: NSC

1 Watt Audio Power Amplifier

Partnumber Manufacturer Quantity Availability
LM4890IBL NSC 120000 In Stock

Description and Introduction

1 Watt Audio Power Amplifier The LM4890IBL is a mono bridged audio power amplifier manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Power:** 1.1W (into 8Ω at 5V, THD+N = 1%)  
- **Supply Voltage Range:** 2.2V to 5.5V  
- **Shutdown Current:** 0.01μA (typical)  
- **Operating Current:** 3mA (typical)  
- **THD+N:** 0.2% (typical at 1kHz, 1W into 8Ω)  
- **PSRR:** 70dB (at 217Hz)  
- **Package:** 8-pin WSON  

### **Descriptions:**  
- Designed for portable communication devices  
- Requires minimal external components  
- Features a shutdown mode for power saving  
- Includes thermal shutdown protection  

### **Features:**  
- **Bridged Output:** Eliminates output coupling capacitors  
- **Low Quiescent Current:** Extends battery life  
- **Improved PSRR:** Reduces power supply noise  
- **Thermal Shutdown Protection:** Prevents overheating  
- **Space-Saving Package:** Suitable for compact designs  

This information is based on the manufacturer's datasheet.

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