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LM4873MTE-1

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function

Partnumber Manufacturer Quantity Availability
LM4873MTE-1,LM4873MTE1 600 In Stock

Description and Introduction

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function The LM4873MTE-1 is a mono bridged audio power amplifier manufactured by Texas Instruments.  

### **Key Specifications:**  
- **Output Power:** 3W (into 3Ω at 5V, THD+N = 10%)  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **Quiescent Current:** 2.6mA (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **THD+N:** 0.2% (typical at 1W, 3Ω, 5V)  
- **Gain:** Fixed at 6dB  
- **Package:** 16-pin TSSOP (MTE suffix)  

### **Descriptions & Features:**  
- Designed for battery-powered applications such as mobile phones and portable electronics.  
- Operates in bridge-tied load (BTL) mode for higher output power.  
- Features a low-power shutdown mode for power-saving applications.  
- Internal thermal shutdown protection.  
- No output coupling capacitors required.  
- Improved pop-and-click suppression circuitry.  
- Unity-gain stable.  

This amplifier is optimized for space-constrained applications requiring efficient audio amplification.

Application Scenarios & Design Considerations

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function
Partnumber Manufacturer Quantity Availability
LM4873MTE-1,LM4873MTE1 NS 1660 In Stock

Description and Introduction

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function The LM4873MTE-1 is a mono bridged audio power amplifier manufactured by National Semiconductor (NS).  

### **Key Specifications:**  
- **Output Power:** 3W (into 4Ω at 5V)  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **Quiescent Current:** 3mA (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **THD+N:** 1% (typical at 1W into 4Ω)  
- **Gain:** Fixed at 6dB  
- **Package:** 16-pin TSSOP (MTE)  

### **Descriptions & Features:**  
- Designed for battery-powered applications.  
- Requires minimal external components.  
- Integrated thermal shutdown protection.  
- No output coupling capacitors required.  
- Improved pop-and-click suppression.  
- Unity-gain stable.  
- Operates in a bridge-tied load (BTL) configuration.  

This amplifier is optimized for portable devices such as mobile phones and PDAs.

Application Scenarios & Design Considerations

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function
Partnumber Manufacturer Quantity Availability
LM4873MTE-1,LM4873MTE1 NSC 22 In Stock

Description and Introduction

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function The LM4873MTE-1 is a mono bridged audio power amplifier manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Power:** 3W (into 3Ω at 5V supply)  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **Quiescent Current:** 2.6mA (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **THD+N:** 1% (typical at 1W into 4Ω)  
- **Gain:** Internally fixed at 6dB  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin TSSOP (LM4873MTE-1)  

### **Descriptions and Features:**  
- Designed for battery-powered applications.  
- No output coupling capacitors required.  
- Improved pop-and-click circuitry for reduced noise during power-up/down.  
- Thermal shutdown protection.  
- Unity-gain stable.  
- Short-circuit and over-temperature protection.  
- Space-saving TSSOP package.  

The LM4873MTE-1 is optimized for portable audio applications such as mobile phones, PDAs, and portable media players.

Application Scenarios & Design Considerations

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function
Partnumber Manufacturer Quantity Availability
LM4873MTE-1,LM4873MTE1 NS 77 In Stock

Description and Introduction

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function The LM4873MTE-1 is a mono bridged audio power amplifier manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Power:** 3W (into 4Ω at 5V)  
- **Supply Voltage Range:** 2.0V to 5.5V  
- **THD+N (Total Harmonic Distortion + Noise):** 1% (typical at 1W into 4Ω)  
- **Shutdown Current:** 0.01μA (typical)  
- **Operating Current:** 2.5mA (typical)  
- **Gain:** Fixed at 6dB  
- **Package:** 16-pin TSSOP (Thin Shrink Small Outline Package)  

### **Descriptions and Features:**  
- Designed for battery-powered applications such as mobile phones, portable media players, and other portable devices.  
- Features a bridge-tied load (BTL) configuration, eliminating the need for an output coupling capacitor.  
- Includes thermal shutdown protection to prevent overheating.  
- Low shutdown current extends battery life.  
- Improved pop-and-click suppression reduces audible noise during power-up and shutdown.  
- Requires minimal external components for operation.  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Dual 2.1W Audio Amplifier Plus Stereo Headphone Function

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