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MAX9708ETN from MAXIM,MAXIM - Dallas Semiconductor

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MAX9708ETN

Manufacturer: MAXIM

20W/40W, Filterless, Spread-Spectrum, Mono/Stereo, Class D Amplifier

Partnumber Manufacturer Quantity Availability
MAX9708ETN MAXIM 46 In Stock

Description and Introduction

20W/40W, Filterless, Spread-Spectrum, Mono/Stereo, Class D Amplifier The MAX9708ETN is a high-efficiency, mono Class D audio power amplifier from Maxim Integrated.  

### **Specifications:**  
- **Output Power:** Up to 20W into a 4Ω load at 10% THD+N with a 12V supply.  
- **Efficiency:** Up to 90%, reducing power dissipation.  
- **Supply Voltage Range:** 4.5V to 14V.  
- **THD+N (Total Harmonic Distortion + Noise):** 0.04% at 1W into 4Ω.  
- **Signal-to-Noise Ratio (SNR):** >100dB (A-weighted).  
- **Switching Frequency:** 1.2MHz (fixed).  
- **Package:** 56-pin TQFN (Thin Quad Flat No-Lead).  
- **Operating Temperature Range:** -40°C to +85°C.  

### **Descriptions:**  
- The MAX9708ETN is designed for high-performance audio applications, including portable speakers, LCD TVs, and automotive audio systems.  
- It integrates a high-efficiency Class D amplifier with a low-noise preamplifier and volume control.  
- The device includes click-and-pop suppression for smooth power-up/down transitions.  

### **Features:**  
- **Spread-Spectrum Modulation:** Reduces EMI emissions.  
- **Integrated Volume Control:** Digital or analog control options.  
- **Short-Circuit and Thermal Protection:** Enhances reliability.  
- **Low Quiescent Current:** 7.5mA (typical) for power efficiency.  
- **Differential Inputs:** Reduces common-mode noise.  
- **Filterless Operation:** Simplifies design by eliminating external LC filters.  

This information is sourced from the manufacturer's datasheet.

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