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LM4897MM from NS,National Semiconductor

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LM4897MM

Manufacturer: NS

1.1 Watt Audio Power Amplifier with Fade-In and Fade-Out

Partnumber Manufacturer Quantity Availability
LM4897MM NS 8 In Stock

Description and Introduction

1.1 Watt Audio Power Amplifier with Fade-In and Fade-Out The LM4897MM is a mono bridged audio power amplifier manufactured by National Semiconductor (NS).  

**Specifications:**  
- **Output Power:** 1.1W into 8Ω at 5V supply  
- **Supply Voltage Range:** 2.2V to 5.5V  
- **Shutdown Current:** <1μA  
- **Quiescent Current:** 2.7mA (typical)  
- **THD+N (Total Harmonic Distortion + Noise):** 1% (typical) at 1kHz, 1W into 8Ω  
- **Package:** 8-pin MSOP (MM)  

**Descriptions:**  
- Designed for portable audio applications  
- Operates in bridge-tied load (BTL) configuration  
- Includes an internal depop circuit to reduce turn-on/off transients  

**Features:**  
- No output coupling capacitors required  
- Low shutdown current for power savings  
- Improved click-and-pop suppression  
- Thermal shutdown protection  
- Short-circuit protection  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

1.1 Watt Audio Power Amplifier with Fade-In and Fade-Out

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