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LM4893MAX from NS,National Semiconductor

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LM4893MAX

Manufacturer: NS

1.1 Watt Audio Power Amplifier

Partnumber Manufacturer Quantity Availability
LM4893MAX NS 5000 In Stock

Description and Introduction

1.1 Watt Audio Power Amplifier The LM4893MAX is a manufacturer by National Semiconductor (NS).  

**Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 1.1W per channel into 8Ω (at 5V)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **THD+N:** 1% (typical at 1W into 8Ω)  
- **Shutdown Current:** 0.01μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 14-pin SOIC  

**Descriptions:**  
The LM4893MAX is a dual bridge-connected audio power amplifier designed for portable applications. It features a low-power consumption shutdown mode and requires minimal external components.  

**Features:**  
- Dual bridge configuration  
- Low shutdown current  
- Improved click-and-pop suppression  
- No output coupling capacitors required  
- Thermal shutdown protection  
- Space-saving 14-pin SOIC package  

(Source: National Semiconductor datasheet)

Application Scenarios & Design Considerations

1.1 Watt Audio Power Amplifier
Partnumber Manufacturer Quantity Availability
LM4893MAX NSC 3522 In Stock

Description and Introduction

1.1 Watt Audio Power Amplifier The LM4893MAX is a manufacturer by National Semiconductor (NSC).  

### **Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 1.1W (typical) into 8Ω at 5V  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Shutdown Current:** 0.01μA (typical)  
- **Quiescent Current:** 2.7mA (typical)  
- **THD+N:** 1% (typical) at 1kHz, 1W into 8Ω  
- **Gain:** Fixed at 6dB  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC  

### **Descriptions:**  
The LM4893MAX is a mono bridged audio power amplifier designed for portable communication devices. It operates from a single supply and is optimized for low-power applications.  

### **Features:**  
- **Bridged Output:** Eliminates the need for external coupling capacitors  
- **Low Shutdown Current:** Extends battery life  
- **Improved PSRR:** Reduces power supply noise  
- **Thermal Shutdown Protection:** Prevents damage from overheating  
- **Space-Saving Package:** 8-pin SOIC for compact designs  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

1.1 Watt Audio Power Amplifier

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