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MAX9728AEUD from MAX,MAXIM - Dallas Semiconductor

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MAX9728AEUD

Manufacturer: MAX

60mW, DirectDrive, Stereo Headphone Amplifiers with Shutdown

Partnumber Manufacturer Quantity Availability
MAX9728AEUD MAX 68 In Stock

Description and Introduction

60mW, DirectDrive, Stereo Headphone Amplifiers with Shutdown The MAX9728AEUD is a high-performance, low-power stereo headphone amplifier manufactured by Maxim Integrated. Below are the factual details about its specifications, descriptions, and features:

### **Manufacturer:**  
Maxim Integrated  

### **Part Number:**  
MAX9728AEUD  

### **Package:**  
14-TSSOP (Thin Shrink Small Outline Package)  

### **Description:**  
The MAX9728AEUD is a stereo headphone amplifier designed for portable audio applications. It delivers high-quality audio output with low power consumption, making it suitable for battery-powered devices such as smartphones, tablets, and portable media players.  

### **Key Features:**  
1. **Low Power Consumption:**  
   - Operates with a supply voltage range of **2.7V to 5.5V**.  
   - Features a low quiescent current for extended battery life.  

2. **High-Fidelity Audio Performance:**  
   - **THD+N (Total Harmonic Distortion + Noise):** Typically **0.01%** at 1kHz.  
   - **Signal-to-Noise Ratio (SNR):** **100dB** (typical).  

3. **Output Power:**  
   - Delivers **80mW per channel** into a **32Ω load** with a **5V supply**.  

4. **Pop-and-Click Suppression:**  
   - Minimizes audible noise during power-up and shutdown.  

5. **Short-Circuit and Thermal Protection:**  
   - Built-in safeguards to protect the amplifier from damage.  

6. **DirectDrive® Technology:**  
   - Eliminates the need for large DC-blocking capacitors, reducing component count and cost.  

7. **Gain Options:**  
   - Fixed gain settings available for simplified design.  

8. **Shutdown Mode:**  
   - Includes a low-power shutdown mode to conserve energy when not in use.  

### **Applications:**  
- Portable audio devices (MP3 players, smartphones, tablets).  
- USB-powered headphones and headsets.  
- Handheld gaming consoles.  

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

Application Scenarios & Design Considerations

60mW, DirectDrive, Stereo Headphone Amplifiers with Shutdown

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