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LM4863LQ from NS,National Semiconductor

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LM4863LQ

Manufacturer: NS

Dual 2.2W Audio Amplifier Plus Stereo Headphone Function

Partnumber Manufacturer Quantity Availability
LM4863LQ NS 1653 In Stock

Description and Introduction

Dual 2.2W Audio Amplifier Plus Stereo Headphone Function The LM4863LQ is a manufacturer by National Semiconductor (NS).  

**Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 1.1W per channel (into 8Ω at 5V)  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical at 1kHz, 1W into 8Ω)  
- **Shutdown Current:** 0.1μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 20-pin LLP (Leadless Leadframe Package)  

**Descriptions:**  
- The LM4863LQ is a dual bridge-connected audio power amplifier designed for portable applications.  
- It features low power consumption and a shutdown mode for power savings.  
- Includes thermal shutdown and click-and-pop suppression circuitry.  

**Features:**  
- Dual Bridge-Tied Load (BTL) Output  
- Low Quiescent Current (4mA typical)  
- No Output Coupling Capacitors Required  
- Internal Thermal Shutdown Protection  
- Unity-Gain Stable  
- Improved Click-and-Pop Suppression  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
Partnumber Manufacturer Quantity Availability
LM4863LQ NSC 15 In Stock

Description and Introduction

Dual 2.2W Audio Amplifier Plus Stereo Headphone Function The LM4863LQ is a manufacturer by National Semiconductor (NSC).  

### **Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 1.1W per channel (into 8Ω at 5V)  
- **Operating Voltage Range:** 2.7V to 5.5V  
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical at 1kHz, 1W into 8Ω)  
- **Shutdown Current:** 0.1μA (typical)  
- **Package:** 20-Pin LLP (Leadless Leadframe Package)  
- **Gain:** Internally fixed at 6dB  
- **PSRR (Power Supply Rejection Ratio):** 70dB (typical)  

### **Descriptions:**  
The LM4863LQ is a dual bridge-connected audio power amplifier designed for applications requiring low-voltage operation and high-quality audio output. It is suitable for portable devices such as smartphones, tablets, and portable media players.  

### **Features:**  
- Dual bridge amplifier configuration  
- Low shutdown current for power efficiency  
- No output coupling capacitors required  
- Thermal shutdown protection  
- Improved click-and-pop suppression  
- Space-saving LLP package  

This information is based on the manufacturer's datasheet. For detailed specifications, refer to the official documentation.

Application Scenarios & Design Considerations

Dual 2.2W Audio Amplifier Plus Stereo Headphone Function

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