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LM4805LQ from NS,National Semiconductor

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LM4805LQ

Manufacturer: NS

3V, 1W Boosted Boomer

Partnumber Manufacturer Quantity Availability
LM4805LQ NS 250 In Stock

Description and Introduction

3V, 1W Boosted Boomer The LM4805LQ is a manufacturer by National Semiconductor (NS). Here are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 105mW per channel (into 32Ω at 5V)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Total Harmonic Distortion + Noise (THD+N):** 0.1% (typical at 1kHz, 80mW output)  
- **Signal-to-Noise Ratio (SNR):** 100dB (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 24-pin LLP (Leadless Leadframe Package)  

### **Descriptions:**  
- The LM4805LQ is a dual-channel, low-voltage audio power amplifier designed for portable applications.  
- It features a low-power shutdown mode and internal thermal shutdown protection.  
- The amplifier is optimized for driving stereo headphones with minimal external components.  

### **Features:**  
- **Dual-Channel Operation:** Supports stereo output.  
- **Low Quiescent Current:** 4.5mA (typical).  
- **No Output Coupling Capacitors:** Eliminates the need for bulky DC-blocking capacitors.  
- **Short-Circuit Protection:** Built-in safeguards against output shorts.  
- **Thermal Shutdown:** Prevents damage from overheating.  
- **Space-Saving Package:** 24-pin LLP for compact designs.  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

3V, 1W Boosted Boomer

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