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LM4856ITL from National,National Semiconductor

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LM4856ITL

Manufacturer: National

Integrated Audio Amplifier System

Partnumber Manufacturer Quantity Availability
LM4856ITL National 250 In Stock

Description and Introduction

Integrated Audio Amplifier System The LM4856ITL is a manufacturer by National Semiconductor (now part of Texas Instruments). Below are its specifications, descriptions, and features:  

### **Specifications:**  
- **Manufacturer:** National Semiconductor  
- **Type:** Audio Amplifier  
- **Output Power:** 1.1W per channel into 8Ω (at 5V supply)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Total Harmonic Distortion + Noise (THD+N):** 0.2% (typical)  
- **Shutdown Current:** <1μA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin LLP (Leadless Leadframe Package)  

### **Description:**  
The LM4856ITL is a stereo audio power amplifier designed for portable applications. It features a low-voltage operation, making it suitable for battery-powered devices. The amplifier includes an internal depop circuitry to minimize turn-on/off transients and provides efficient power delivery with minimal external components.  

### **Features:**  
- **Stereo Operation:** Two-channel output for stereo audio.  
- **Low Voltage Operation:** Works efficiently from 2.7V to 5.5V.  
- **Low Shutdown Current:** Consumes less than 1μA in shutdown mode.  
- **Thermal Protection:** Built-in thermal shutdown for safety.  
- **No External Output Coupling Capacitors:** Eliminates the need for bulky DC-blocking capacitors.  
- **Pop & Click Suppression:** Reduces audible noise during power-up/down.  
- **Space-Saving Package:** 10-pin LLP (3mm x 3mm) for compact designs.  

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

Application Scenarios & Design Considerations

Integrated Audio Amplifier System

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