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MAX9718AETB+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX9718AETB+T

Manufacturer: MAXIM

Low-Cost, Mono/Stereo, 1.4W Differential Audio Power Amplifiers

Partnumber Manufacturer Quantity Availability
MAX9718AETB+T,MAX9718AETBT MAXIM 559 In Stock

Description and Introduction

Low-Cost, Mono/Stereo, 1.4W Differential Audio Power Amplifiers The MAX9718AETB+T is a mono, 3W Class D audio power amplifier manufactured by Maxim Integrated.  

### **Specifications:**  
- **Output Power:** 3W (into 4Ω at 5V, THD+N = 1%)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Efficiency:** Up to 90%  
- **THD+N:** 0.02% (1kHz, 1W into 4Ω)  
- **Shutdown Current:** <1µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin TDFN (3mm x 3mm)  

### **Descriptions:**  
The MAX9718AETB+T is a high-efficiency Class D audio amplifier designed for portable devices. It features a low-noise, filterless modulation scheme, eliminating the need for bulky external LC filters.  

### **Features:**  
- Filterless Class D operation  
- Low quiescent current (3.5mA)  
- Pop-and-click suppression  
- Short-circuit and thermal protection  
- High PSRR (70dB at 217Hz)  
- Small footprint (3mm x 3mm TDFN)  

This amplifier is suitable for applications such as smartphones, tablets, portable media players, and other battery-powered audio devices.

Application Scenarios & Design Considerations

Low-Cost, Mono/Stereo, 1.4W Differential Audio Power Amplifiers

Alternative Part Number

  • LM4890MM/NOPB --: Audio power amplifier in a small package with comparable output power and supply range, widely available and pin-function compatible for many designs.
  • PAM8403DR --: Low-cost class-D audio amplifier offering similar output power and supply voltage, suitable as a functional substitute in portable audio applications.
  • TPA2012D2RTJR --: Filter-free class-D audio amplifier with comparable power rating and small QFN package, providing a modern alternative with good availability.

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