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LM4898LD from NS,National Semiconductor

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LM4898LD

Manufacturer: NS

1 Watt Fully Differential Audio Power Amplifier With Shutdown Select

Partnumber Manufacturer Quantity Availability
LM4898LD NS 35360 In Stock

Description and Introduction

1 Watt Fully Differential Audio Power Amplifier With Shutdown Select The LM4898LD is a manufacturer part from National Semiconductor (NS).  

**Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 1.1W (typical) 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):** 0.3% (typical) at 1kHz, 1W into 8Ω  
- **PSRR (Power Supply Rejection Ratio):** 60dB (typical) at 217Hz  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin LLP (Leadless Leadframe Package)  

**Descriptions:**  
The LM4898LD 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  
- Shutdown mode for power saving  
- Improved PSRR at 217Hz for noise rejection  
- Thermal shutdown protection  
- Short-circuit protection  
- Space-saving LLP package  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

1 Watt Fully Differential Audio Power Amplifier With Shutdown Select

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