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LM4854MT from NS,National Semiconductor

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LM4854MT

Manufacturer: NS

1.9W Monaural, 85mW Stereo Headphone Audio Amplifier

Partnumber Manufacturer Quantity Availability
LM4854MT NS 6948 In Stock

Description and Introduction

1.9W Monaural, 85mW Stereo Headphone Audio Amplifier The LM4854MT is a manufacturer by National Semiconductor (NS). Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 1.1W per channel (into 8Ω at 5V)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** TSSOP-20  
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **Quiescent Current:** 3.5mA (typical)  

### **Descriptions:**  
The LM4854MT is a stereo audio power amplifier designed for portable applications. It features a low-voltage operation, making it suitable for battery-powered devices such as mobile phones, PDAs, and portable media players. The device includes thermal shutdown and short-circuit protection.  

### **Features:**  
- **Stereo Operation:** Supports two-channel audio output.  
- **Low Power Consumption:** Optimized for battery life.  
- **Shutdown Mode:** Ultra-low current consumption when inactive.  
- **No External Coupling Capacitors:** Eliminates the need for bulky DC-blocking capacitors.  
- **Thermal and Short-Circuit Protection:** Enhances reliability.  
- **Surface-Mount Package (TSSOP-20):** Compact footprint for space-constrained designs.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

1.9W Monaural, 85mW Stereo Headphone Audio Amplifier

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