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LM4855IBL from NSC,National Semiconductor

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LM4855IBL

Manufacturer: NSC

Integrated Audio Amplifier System

Partnumber Manufacturer Quantity Availability
LM4855IBL NSC 2000 In Stock

Description and Introduction

Integrated Audio Amplifier System The LM4855IBL is a manufacturer NSC (National Semiconductor Corporation) audio power amplifier IC. Below are its specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Manufacturer:** NSC (National Semiconductor Corporation)  
- **Type:** Audio Power Amplifier  
- **Output Power:** 1.1W per channel into 8Ω at 5V (typical)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 9-bump micro SMD (DSBGA)  
- **Total Harmonic Distortion (THD) + Noise:** <1% (typical)  
- **Shutdown Current:** <1µA (typical)  
- **Quiescent Current:** 2.5mA (typical)  
- **Signal-to-Noise Ratio (SNR):** >90dB (typical)  

### **Descriptions:**  
The LM4855IBL is a stereo audio power amplifier designed for portable applications. It operates from a single supply voltage and is optimized for low power consumption while delivering high-quality audio output. The device features a shutdown mode to minimize power usage when not in operation.  

### **Features:**  
- **Stereo Bridge-Tied Load (BTL) Outputs**  
- **Low Quiescent Current** (2.5mA typical)  
- **Low Shutdown Current** (<1µA typical)  
- **Wide Supply Voltage Range** (2.7V to 5.5V)  
- **No External Output Coupling Capacitors Required**  
- **Thermal Shutdown Protection**  
- **Short-Circuit Protection**  
- **Space-Saving DSBGA Package**  
- **Pop-and-Click Suppression Circuitry**  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Integrated Audio Amplifier System

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