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MAX9741ETN+ from MAX,MAXIM - Dallas Semiconductor

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MAX9741ETN+

Manufacturer: MAX

12W12W, Filterless, Spread-Spectrum, Stereo, Class D Amplifier

Partnumber Manufacturer Quantity Availability
MAX9741ETN+,MAX9741ETN MAX 52 In Stock

Description and Introduction

12W12W, Filterless, Spread-Spectrum, Stereo, Class D Amplifier The MAX9741ETN+ is a Class D audio amplifier manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Output Power:** Up to 20W per channel (stereo) into 4Ω loads at 10% THD+N.  
- **Supply Voltage Range:** 4.5V to 14V (single supply).  
- **Efficiency:** Up to 90% (Class D operation).  
- **Signal-to-Noise Ratio (SNR):** >100dB (A-weighted).  
- **Total Harmonic Distortion + Noise (THD+N):** <0.03% (1W into 4Ω).  
- **Operating Temperature Range:** -40°C to +85°C.  
- **Package:** 56-pin TQFN (Thin QFN).  

### **Descriptions:**  
The MAX9741ETN+ is a high-efficiency, stereo Class D audio amplifier designed for portable and space-constrained applications. It integrates a spread-spectrum modulation scheme to reduce EMI and features a differential input for noise rejection.  

### **Features:**  
- **Stereo Class D Amplifier:** Two-channel output.  
- **Spread-Spectrum Modulation:** Reduces EMI emissions.  
- **Differential Inputs:** Improves noise immunity.  
- **Short-Circuit & Thermal Protection:** Enhances reliability.  
- **Low Quiescent Current:** 7mA (typical).  
- **Pop-and-Click Suppression:** Minimizes audible noise during power-up/down.  
- **Shutdown Mode:** Reduces power consumption when inactive.  

For detailed electrical characteristics, refer to the official datasheet.

Application Scenarios & Design Considerations

12W12W, Filterless, Spread-Spectrum, Stereo, Class D Amplifier

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