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LM4890IBLX from NS,National Semiconductor

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LM4890IBLX

Manufacturer: NS

1 Watt Audio Power Amplifier

Partnumber Manufacturer Quantity Availability
LM4890IBLX NS 6000 In Stock

Description and Introduction

1 Watt Audio Power Amplifier The LM4890IBLX is a 1.1W audio power amplifier manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Power:** 1.1W into 8Ω at 5V  
- **Supply Voltage Range:** 2.2V to 5.5V  
- **Quiescent Current:** 2.2mA (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical) at 1kHz, 1W into 8Ω  
- **PSRR (Power Supply Rejection Ratio):** 70dB (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin LLP (Leadless Leadframe Package)  

### **Descriptions and Features:**  
- Designed for portable audio applications  
- Integrated click-and-pop suppression circuitry  
- Shutdown mode for power saving  
- No external coupling capacitors required  
- Unity-gain stable  
- Thermal shutdown protection  
- Space-saving LLP package  

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

Application Scenarios & Design Considerations

1 Watt Audio Power Amplifier
Partnumber Manufacturer Quantity Availability
LM4890IBLX NS,NS 8000 In Stock

Description and Introduction

1 Watt Audio Power Amplifier The LM4890IBLX is a manufacturer part from National Semiconductor (NS).  

**Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 1.1W (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)  
- **Package:** 8-pin WSON  

**Descriptions:**  
- The LM4890IBLX is a mono, bridged audio power amplifier designed for portable applications.  
- It features a low-power consumption shutdown mode and operates from a single supply.  

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

Application Scenarios & Design Considerations

1 Watt Audio Power Amplifier

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