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LM4890IBP from NSC,National Semiconductor

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LM4890IBP

Manufacturer: NSC

1 Watt Audio Power Amplifier

Partnumber Manufacturer Quantity Availability
LM4890IBP NSC 20000 In Stock

Description and Introduction

1 Watt Audio Power Amplifier The LM4890IBP is a power amplifier manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 1.1W (into 8Ω at 5V, THD+N = 10%)  
- **Supply Voltage Range:** 2.2V to 5.5V  
- **Shutdown Current:** 0.01μA (typical)  
- **Quiescent Current:** 2.7mA (typical)  
- **Total Harmonic Distortion + Noise (THD+N):** 0.2% (typical at 1kHz, 1W into 8Ω)  
- **Package:** 8-pin PDIP (Plastic Dual In-line Package)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions and Features:**  
- Designed for portable audio applications.  
- Features a shutdown mode for power saving.  
- Internal thermal shutdown protection.  
- No output coupling capacitors required.  
- Unity-gain stable.  
- Improved PSRR (Power Supply Rejection Ratio).  
- Low quiescent current for extended battery life.  

The LM4890IBP is optimized for use in devices like mobile phones, portable media players, and other battery-powered audio systems.

Application Scenarios & Design Considerations

1 Watt Audio Power Amplifier
Partnumber Manufacturer Quantity Availability
LM4890IBP NS 1980 In Stock

Description and Introduction

1 Watt Audio Power Amplifier The LM4890IBP 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  
- **Shutdown Current:** 0.01µA (typical)  
- **Quiescent Current:** 2.7mA (typical)  
- **THD+N:** 1% (typical at 1kHz, 1W into 8Ω)  
- **Package:** 8-pin PDIP  

**Descriptions and Features:**  
- Single-supply operation  
- No output coupling capacitors required  
- Low shutdown current  
- Thermal shutdown protection  
- Improved click-and-pop suppression  
- Unity-gain stable  
- Suitable for portable audio applications  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

1 Watt Audio Power Amplifier

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