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LM4667ITLX from NS Pb-free,National Semiconductor

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LM4667ITLX

Manufacturer: NS Pb-free

Filterless High Efficiency 1.3W Switching Audio Amplifier

Partnumber Manufacturer Quantity Availability
LM4667ITLX NS Pb-free 9000 In Stock

Description and Introduction

Filterless High Efficiency 1.3W Switching Audio Amplifier The LM4667ITLX is a part manufactured by National Semiconductor (NS). Below are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
National Semiconductor (NS)  

### **Pb-Free Specifications:**  
- The part is **Pb-free (RoHS compliant)**.  

### **Descriptions:**  
- The LM4667ITLX is a **2.5W stereo Class D audio power amplifier**.  
- It operates from a **single 5V power supply** and is designed for portable applications.  
- Features **low quiescent current** and **high efficiency**.  
- Includes **thermal shutdown and short-circuit protection**.  

### **Features:**  
- **Output Power:** 2.5W per channel into 4Ω at 5V  
- **Efficiency:** Up to **90%** (Class D operation)  
- **Low Quiescent Current:** 4mA (typical)  
- **Shutdown Current:** <1μA  
- **THD+N:** <1% (1W into 4Ω)  
- **Power Supply Voltage Range:** 2.7V to 5.5V  
- **Thermal Shutdown Protection**  
- **Short-Circuit Protection**  
- **Available in a **TSSOP-16** package  

This information is strictly based on the provided knowledge base.

Application Scenarios & Design Considerations

Filterless High Efficiency 1.3W Switching Audio Amplifier
Partnumber Manufacturer Quantity Availability
LM4667ITLX NATIONAL 3000 In Stock

Description and Introduction

Filterless High Efficiency 1.3W Switching Audio Amplifier The LM4667ITLX is a mono 2.5W Class D audio power amplifier manufactured by Texas Instruments (formerly National Semiconductor).  

### **Specifications:**  
- **Output Power:** 2.5W into 4Ω at 5V (THD+N = 10%)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Efficiency:** Up to 90% (Class D operation)  
- **THD+N:** 0.3% (typical at 1W, 4Ω, 5V)  
- **Shutdown Current:** <1µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin LLP (3mm x 3mm)  

### **Descriptions and Features:**  
- **Class D Operation:** Provides high efficiency with low power dissipation.  
- **Low Quiescent Current:** 3.5mA (typical) for power-saving applications.  
- **Filterless Operation:** Eliminates the need for external LC filters.  
- **Thermal and Short-Circuit Protection:** Built-in safeguards for reliability.  
- **Pop-and-Click Suppression:** Minimizes noise during power-up/down.  
- **Applications:** Portable devices, mobile phones, PDAs, and other battery-powered audio systems.  

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

Application Scenarios & Design Considerations

Filterless High Efficiency 1.3W Switching Audio Amplifier
Partnumber Manufacturer Quantity Availability
LM4667ITLX NSC 2312 In Stock

Description and Introduction

Filterless High Efficiency 1.3W Switching Audio Amplifier The LM4667ITLX is a mono 2.5W Class D audio power amplifier manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Power:** 2.5W (into 4Ω at 5V, THD+N = 10%)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Efficiency:** Up to 90%  
- **THD+N:** 0.2% (typical at 1W into 4Ω)  
- **Shutdown Current:** <1µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin LLP (Leadless Leadframe Package)  

### **Descriptions and Features:**  
- **Class D Operation:** Provides high efficiency with low power dissipation.  
- **Filterless Operation:** Eliminates the need for external LC output filters.  
- **Low Quiescent Current:** 4mA (typical).  
- **Thermal and Short-Circuit Protection:** Built-in safeguards for reliability.  
- **Pop-and-Click Suppression:** Minimizes audible noise during power-up/down.  
- **Applications:** Portable audio devices, mobile phones, PDAs, and other battery-powered systems.  

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

Application Scenarios & Design Considerations

Filterless High Efficiency 1.3W Switching Audio Amplifier

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