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LM4906MM from NS,National Semiconductor

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LM4906MM

Manufacturer: NS

1W, Bypass-Capacitor-less Audio Power Amplifier with Internal Selectable Gain

Partnumber Manufacturer Quantity Availability
LM4906MM NS 7000 In Stock

Description and Introduction

1W, Bypass-Capacitor-less Audio Power Amplifier with Internal Selectable Gain The LM4906MM is a manufacturer by National Semiconductor (NS). Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 1W per channel into 8Ω (at 5V supply)  
- **Supply Voltage Range:** 2.2V to 5.5V  
- **Quiescent Current:** 4mA (typical)  
- **Total Harmonic Distortion + Noise (THD+N):** 0.1% (typical at 1kHz, 1W output)  
- **Shutdown Current:** 0.1μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin MSOP (MM)  

### **Description:**  
The LM4906MM is a dual audio power amplifier designed for portable applications. It features a low quiescent current and operates from a single supply, making it suitable for battery-powered devices. The amplifier includes an internal thermal shutdown protection mechanism.

### **Features:**  
- **Dual-Channel Operation**  
- **Low Quiescent Current (4mA typical)**  
- **Wide Supply Voltage Range (2.2V to 5.5V)**  
- **Thermal Shutdown Protection**  
- **No External Output Coupling Capacitors Required**  
- **Improved PSRR (Power Supply Rejection Ratio)**  
- **Small MSOP Package for Space-Constrained Applications**  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

1W, Bypass-Capacitor-less Audio Power Amplifier with Internal Selectable Gain

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