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LM4873MTEX-1 from NSC,National Semiconductor

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LM4873MTEX-1

Manufacturer: NSC

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function

Partnumber Manufacturer Quantity Availability
LM4873MTEX-1,LM4873MTEX1 NSC 83594 In Stock

Description and Introduction

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function The LM4873MTEX-1 is a manufacturer by National Semiconductor (NSC). Here are the factual details from Ic-phoenix technical data files:

### **Specifications:**
- **Type:** Audio Power Amplifier  
- **Output Power:** 3W (into 4Ω at 5V)  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin TSSOP (Exposed Pad)  
- **THD+N (Total Harmonic Distortion + Noise):** 1% (typical)  
- **Efficiency:** Up to 90% (Class D operation)  
- **Shutdown Current:** <1µA  

### **Descriptions:**
- The LM4873MTEX-1 is a mono Class D audio amplifier designed for portable applications.  
- It features a low-power shutdown mode and thermal shutdown protection.  
- The device operates in a bridge-tied load (BTL) configuration, eliminating the need for output coupling capacitors.  

### **Features:**
- **Low Quiescent Current:** 4mA (typical)  
- **Pop-and-Click Suppression:** Reduces audible noise during power-up/down  
- **Short-Circuit Protection:** Includes thermal shutdown  
- **Space-Saving Package:** 8-pin TSSOP with exposed pad for improved thermal performance  
- **Wide Supply Voltage Range:** Suitable for battery-powered applications  

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

Application Scenarios & Design Considerations

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function
Partnumber Manufacturer Quantity Availability
LM4873MTEX-1,LM4873MTEX1 NSC 405 In Stock

Description and Introduction

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function The LM4873MTEX-1 is a mono 3W audio power amplifier manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** National Semiconductor (NSC)  
- **Type:** Mono Audio Power Amplifier  
- **Output Power:** 3W (into 4Ω at 5V supply)  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **Quiescent Current:** 4mA (typical)  
- **Shutdown Current:** 0.6μA (typical)  
- **THD+N (Total Harmonic Distortion + Noise):** 1% (typical at 1W into 4Ω)  
- **Package:** 8-Pin TSSOP (MTEX)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
- The LM4873MTEX-1 is designed for battery-powered applications requiring high-quality audio output.  
- It features a low-power shutdown mode for energy efficiency.  
- The amplifier is optimized for driving small speakers in portable devices.  

### **Features:**
- **Low Quiescent Current:** Enhances battery life in portable applications.  
- **Shutdown Mode:** Reduces power consumption when not in use.  
- **Improved PSRR (Power Supply Rejection Ratio):** Minimizes noise from the power supply.  
- **No Output Coupling Capacitors Required:** Simplifies design and reduces component count.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  

This information is strictly factual and sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function
Partnumber Manufacturer Quantity Availability
LM4873MTEX-1,LM4873MTEX1 NS 2500 In Stock

Description and Introduction

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function The LM4873MTEX-1 is a manufacturer by NS (National Semiconductor). Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Type:** Audio Amplifier (Class AB)
- **Output Power:** 1.1W (into 8Ω at 5V)
- **Supply Voltage Range:** 2.7V to 5.5V
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical)
- **Quiescent Current:** 4mA (typical)
- **Shutdown Current:** 0.01µA (typical)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 8-Pin TSSOP (Thin Shrink Small Outline Package)

### **Descriptions:**
- The LM4873MTEX-1 is a mono, bridge-tied load (BTL) audio power amplifier designed for portable applications.
- It is optimized for low-voltage operation and provides high-quality audio output with minimal external components.
- Features like thermal shutdown and short-circuit protection enhance reliability.

### **Features:**
- **Bridge-Tied Load (BTL) Configuration:** Eliminates output coupling capacitors.
- **Low Quiescent Current:** Extends battery life in portable devices.
- **Thermal Shutdown Protection:** Prevents overheating.
- **Short-Circuit Protection:** Safeguards the amplifier.
- **Minimal External Components:** Simplifies design and reduces PCB space.
- **Improved Pop & Click Circuitry:** Reduces audible noise during power-up/down.

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

Application Scenarios & Design Considerations

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function

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