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LM4674ATLX/NOPB from NSC,National Semiconductor

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LM4674ATLX/NOPB

Manufacturer: NSC

Filterless 2.5 Stereo Class D Audio Power Amplifier 16-DSBGA -40 to 85

Partnumber Manufacturer Quantity Availability
LM4674ATLX/NOPB,LM4674ATLXNOPB NSC 51000 In Stock

Description and Introduction

Filterless 2.5 Stereo Class D Audio Power Amplifier 16-DSBGA -40 to 85 The LM4674ATLX/NOPB is a mono 2.65W Class D audio amplifier manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Power:** 2.65W into 4Ω at 5V (THD+N = 10%)  
- **Supply Voltage Range:** 2.4V to 5.5V  
- **Efficiency:** Up to 90%  
- **THD+N:** 0.3% (typical at 1W, 4Ω, 5V)  
- **Shutdown Current:** <1μA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin LLP (3mm x 3mm)  

### **Descriptions:**  
- Single-channel Class D amplifier optimized for battery-powered applications.  
- Requires minimal external components.  
- Features a low-power shutdown mode.  
- Includes click-and-pop suppression circuitry.  

### **Features:**  
- High efficiency for extended battery life.  
- Improved PSRR (Power Supply Rejection Ratio).  
- Thermal shutdown and short-circuit protection.  
- Differential inputs reduce common-mode noise.  
- RoHS-compliant and lead-free.  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Filterless 2.5 Stereo Class D Audio Power Amplifier 16-DSBGA -40 to 85
Partnumber Manufacturer Quantity Availability
LM4674ATLX/NOPB,LM4674ATLXNOPB NS 182996 In Stock

Description and Introduction

Filterless 2.5 Stereo Class D Audio Power Amplifier 16-DSBGA -40 to 85 The LM4674ATLX/NOPB is a mono 2.65W Class D audio power amplifier manufactured by Texas Instruments (NS).  

**Specifications:**  
- **Output Power:** 2.65W into 4Ω at 5V  
- **Supply Voltage Range:** 2.4V to 5.5V  
- **Efficiency:** Up to 90%  
- **THD+N (Total Harmonic Distortion + Noise):** 0.3% (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin WSON  

**Descriptions and Features:**  
- Ultra-low shutdown current for power savings  
- Improved PSRR (Power Supply Rejection Ratio)  
- Thermal and short-circuit protection  
- No output filter required (filterless operation)  
- Pop-and-click suppression circuitry  
- Small footprint package for space-constrained applications  
- Suitable for portable devices like smartphones, tablets, and portable media players  

The device is optimized for high efficiency and low power consumption in battery-operated applications.

Application Scenarios & Design Considerations

Filterless 2.5 Stereo Class D Audio Power Amplifier 16-DSBGA -40 to 85

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