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LM4928SD from NS,National Semiconductor

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LM4928SD

Manufacturer: NS

1.2 Watt Stereo Fully Differential Audio Amplifier with RF Suppression and Shutdown Low

Partnumber Manufacturer Quantity Availability
LM4928SD NS 352 In Stock

Description and Introduction

1.2 Watt Stereo Fully Differential Audio Amplifier with RF Suppression and Shutdown Low The LM4928SD is a manufacturer by National Semiconductor (NS). It is a stereo audio power amplifier with a digital volume control.  

**Specifications:**  
- **Output Power:** 1.1W per channel into 8Ω at 5V  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **THD+N (Total Harmonic Distortion + Noise):** 0.1% (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 14-pin LLP (Leadless Leadframe Package)  

**Descriptions and Features:**  
- Stereo Class AB amplifier  
- Integrated digital volume control (32 steps, 1.5dB per step)  
- Low shutdown current for power savings  
- Pop-and-click suppression circuitry  
- Thermal shutdown protection  
- Short-circuit protection  
- I²C-compatible control interface  

The LM4928SD is designed for portable audio applications such as smartphones, MP3 players, and other battery-powered devices.

Application Scenarios & Design Considerations

1.2 Watt Stereo Fully Differential Audio Amplifier with RF Suppression and Shutdown Low

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