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MAX9877AERP+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX9877AERP+T

Manufacturer: MAXIM

Low RF Susceptibility, Mono Audio Subsystem with DirectDrive Headphone Amplifier

Partnumber Manufacturer Quantity Availability
MAX9877AERP+T MAXIM 12440 In Stock

Description and Introduction

Low RF Susceptibility, Mono Audio Subsystem with DirectDrive Headphone Amplifier The MAX9877AERP+T is a high-efficiency, mono Class D audio amplifier manufactured by Maxim Integrated.  

### **Specifications:**  
- **Output Power:** Up to 3.2W into 4Ω at 5V  
- **Supply Voltage Range:** 2.5V to 5.5V  
- **Efficiency:** Up to 90%  
- **THD+N (Total Harmonic Distortion + Noise):** 0.04% (1W into 4Ω)  
- **Shutdown Current:** <1µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 20-Pin TQFN (5mm x 5mm)  

### **Descriptions:**  
The MAX9877AERP+T is a Class D audio amplifier designed for portable applications, offering high efficiency with low power consumption. It features a differential input, eliminating the need for external coupling capacitors, and includes a shutdown mode for power savings.  

### **Features:**  
- High-efficiency Class D operation  
- Differential inputs (reduces RF noise pickup)  
- No external output filter required  
- Low shutdown current (<1µA)  
- Thermal and short-circuit protection  
- Pop-and-click suppression  

This device is commonly used in smartphones, portable media players, and other battery-powered audio applications.

Application Scenarios & Design Considerations

Low RF Susceptibility, Mono Audio Subsystem with DirectDrive Headphone Amplifier

Alternative Part Number

  • LM49450SQ/NOPB --: Audio subsystem with Class D speaker amplifier and headphone amp in a similar small package, functionally comparable to the MAX9877 audio codec/amplifier.
  • TAS2505IRGER --: Integrated audio DAC with Class D speaker amplifier and headphone output, offering similar audio amplification functionality in a compact QFN package.
  • SSM2518CPZ-RL --: Class D audio amplifier with digital input and headphone support, a viable alternative for portable audio amplification applications.

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