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LM4652TF from NS,National Semiconductor

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LM4652TF

Manufacturer: NS

170W Class D Audio Amplifier Solution

Partnumber Manufacturer Quantity Availability
LM4652TF NS 3 In Stock

Description and Introduction

170W Class D Audio Amplifier Solution The LM4652TF is a Class D audio amplifier manufactured by National Semiconductor (NS). Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Power:** Up to 170W (with ±25V supply and 4Ω load).  
- **Supply Voltage Range:** ±10V to ±30V.  
- **Efficiency:** Up to 90%.  
- **Switching Frequency:** Adjustable up to 300kHz.  
- **THD+N (Total Harmonic Distortion + Noise):** <0.2% at 100W, 4Ω.  
- **Signal-to-Noise Ratio (SNR):** >95dB.  
- **Operating Temperature Range:** -40°C to +85°C.  
- **Package:** TO-220-15 (TF package).  

### **Descriptions:**  
- The LM4652TF is a fully integrated Class D amplifier consisting of an H-bridge power stage and a pulse-width modulation (PWM) controller.  
- It is designed for high-efficiency audio amplification in applications such as home theater systems, automotive audio, and professional audio equipment.  
- The device includes built-in protection features like over-temperature shutdown, under-voltage lockout, and over-current protection.  

### **Features:**  
- **High Efficiency:** Reduces heat dissipation compared to Class AB amplifiers.  
- **Low Distortion:** Provides high-fidelity audio output.  
- **Adjustable Switching Frequency:** Allows optimization for EMI and efficiency.  
- **Standby Mode:** Low-power consumption when not in use.  
- **Integrated Protections:** Prevents damage from faults.  
- **Mute Function:** Allows muting the audio output.  

This information is based on the manufacturer's datasheet. For detailed application notes, refer to National Semiconductor's official documentation.

Application Scenarios & Design Considerations

170W Class D Audio Amplifier Solution

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