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LM4875MM from NS,National Semiconductor

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LM4875MM

Manufacturer: NS

750mW Audio Power Amplifier with DC Volume Control and Headphone Switch

Partnumber Manufacturer Quantity Availability
LM4875MM NS 40 In Stock

Description and Introduction

750mW Audio Power Amplifier with DC Volume Control and Headphone Switch The LM4875MM is a 2.9W audio power amplifier manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Power:** 2.9W into 4Ω at 5V (THD+N = 10%)  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **Shutdown Current:** <1μA  
- **Quiescent Current:** 2.6mA (typical)  
- **THD+N:** 0.2% (typical at 1W, 4Ω)  
- **PSRR:** 70dB (typical at 217Hz)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin VSSOP (MM)  

### **Descriptions:**  
The LM4875MM is a mono, bridge-tied load (BTL) audio amplifier designed for portable applications. It features a low-power consumption design with a shutdown mode for power savings.  

### **Features:**  
- **Bridge-Tied Load (BTL) Configuration** – Eliminates the need for output coupling capacitors.  
- **Low Quiescent Current** – Enhances battery life in portable devices.  
- **Thermal Shutdown Protection** – Prevents damage from overheating.  
- **Improved PSRR** – Reduces power supply noise interference.  
- **Unity-Gain Stable** – No external compensation required.  
- **Space-Saving Package** – 8-pin VSSOP (MM) for compact designs.  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

750mW Audio Power Amplifier with DC Volume Control and Headphone Switch

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