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MAX9710ETP+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX9710ETP+

Manufacturer: MAXIM, MAXIN

3W Mono/Stereo BTL Audio Power Amplifiers with Shutdown

Partnumber Manufacturer Quantity Availability
MAX9710ETP+,MAX9710ETP MAXIM, MAXIN 1673 In Stock

Description and Introduction

3W Mono/Stereo BTL Audio Power Amplifiers with Shutdown The MAX9710ETP+ is a high-efficiency, mono Class D audio power amplifier manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Power:** Up to **3W** into a **4Ω** load with **5V** supply.  
- **Supply Voltage Range:** **2.7V to 5.5V**.  
- **Efficiency:** Up to **90%** (Class D operation).  
- **THD+N (Total Harmonic Distortion + Noise):** **0.02%** (typical at 1W into 4Ω).  
- **Signal-to-Noise Ratio (SNR):** **95dB** (A-weighted).  
- **Shutdown Current:** **0.1µA** (typical).  
- **Operating Temperature Range:** **-40°C to +85°C**.  
- **Package:** **20-pin TQFN (5x5mm)**.  

### **Descriptions:**  
- The MAX9710ETP+ is a **mono Class D amplifier** optimized for **portable audio applications**.  
- It features **low EMI (Electromagnetic Interference)** and **high efficiency**, making it suitable for battery-powered devices.  
- Includes **pop-and-click suppression** to minimize audible noise during power-up/down.  
- Operates in **single-ended or bridge-tied load (BTL)** mode.  

### **Features:**  
- **Ultra-Low Quiescent Current (1.5mA typical)** for extended battery life.  
- **No External Output Filters Required** (filterless Class D operation).  
- **Thermal and Short-Circuit Protection** for reliability.  
- **Small Footprint** (20-pin TQFN package) for space-constrained designs.  
- **Wide Supply Voltage Range** (2.7V to 5.5V) supports various power sources.  

This amplifier is commonly used in **mobile phones, portable media players, and other battery-powered audio devices**.  

(Data sourced from Maxim Integrated's official documentation.)

Application Scenarios & Design Considerations

3W Mono/Stereo BTL Audio Power Amplifiers with Shutdown

Alternative Part Number

  • LM4871MX/NOPB --: Pin-compatible class-AB audio power amplifier in the same power range, widely available and a common drop-in substitute for MAX9710 designs.
  • TPA0211DGN --: Similar 2W stereo audio amplifier with comparable supply range and thermal pad package, suitable for speaker driver applications.
  • PAM8403DR --: Low-cost 3W class-D stereo amplifier offering similar output power and supply voltage, usable as a functional replacement with minor layout changes.
  • LM49450SQ/NOPB --: Class-D audio amplifier with similar stereo speaker drive capability and low-voltage operation, suitable as a functional substitute in audio output stages.
  • TPA2013D1YZHR --: Filterless Class-D mono/stereo amplifier offering comparable output power and supply range, commonly used as a cross-reference for MAX97xx audio amps.

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