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LM4890LD from NS,National Semiconductor

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LM4890LD

Manufacturer: NS

1 Watt Audio Power Amplifier

Partnumber Manufacturer Quantity Availability
LM4890LD NS 24030 In Stock

Description and Introduction

1 Watt Audio Power Amplifier The LM4890LD is a manufacturer by National Semiconductor (NS).  

**Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 1.1W (into 8Ω at 5V)  
- **Supply Voltage Range:** 2.2V to 5.5V  
- **THD+N:** 1% (typical at 1kHz, 1W into 8Ω)  
- **Shutdown Current:** 0.01μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin LLP (Leadless Leadframe Package)  

**Descriptions:**  
The LM4890LD is a mono, bridged audio power amplifier designed for portable applications. It operates from a single supply and delivers high-quality audio output with low distortion.  

**Features:**  
- No output coupling capacitors required  
- Improved PSRR at 217Hz  
- Low shutdown current  
- Thermal shutdown protection  
- Space-saving LLP package

Application Scenarios & Design Considerations

1 Watt Audio Power Amplifier
Partnumber Manufacturer Quantity Availability
LM4890LD NATIONAL 580 In Stock

Description and Introduction

1 Watt Audio Power Amplifier The LM4890LD is a manufacturer by **NATIONAL**.  

### **Specifications:**  
- **Type**: Audio Power Amplifier  
- **Output Power**: 1.1W into 8Ω at 5V  
- **Operating Voltage Range**: 2.2V to 5.5V  
- **Shutdown Current**: <1µA  
- **THD+N**: 1% (typical at 1kHz, 1W into 8Ω)  
- **Gain**: Fixed internally at 6dB  
- **Package**: 8-pin LLP (Leadless Leadframe Package)  

### **Descriptions:**  
The LM4890LD is a mono, bridged audio power amplifier designed for portable applications. It operates from a single supply and is optimized for driving speakers with minimal external components.  

### **Features:**  
- **Low Quiescent Current**: 2.7mA (typical)  
- **Improved PSRR**: Reduces power supply noise  
- **Thermal Shutdown Protection**  
- **Short-Circuit Protection**  
- **No External Bootstrap Capacitors Required**  
- **Space-Saving LLP Package**  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

1 Watt Audio Power Amplifier
Partnumber Manufacturer Quantity Availability
LM4890LD NSC 630 In Stock

Description and Introduction

1 Watt Audio Power Amplifier The LM4890LD is a manufacturer by National Semiconductor (NSC).  

**Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 1.1W (into 8Ω at 5V)  
- **Supply Voltage Range:** 2.2V to 5.5V  
- **Shutdown Current:** 0.01μA (typical)  
- **Operating Current:** 2.6mA (typical)  
- **THD+N:** 0.2% (typical at 1kHz, 1W into 8Ω)  
- **PSRR:** 70dB (typical at 217Hz)  
- **Package:** 8-Pin LLP (Leadless Leadframe Package)  

**Descriptions:**  
The LM4890LD is a mono, bridged audio power amplifier designed for portable communication devices. It operates from a single supply and is optimized for low power consumption while delivering high-quality audio output.  

**Features:**  
- Low shutdown current  
- Improved click-and-pop suppression  
- Thermal shutdown protection  
- Space-saving LLP package  
- No output coupling capacitors required  
- Unity-gain stable  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

1 Watt Audio Power Amplifier

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