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MAX9755ETI+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX9755ETI+

Manufacturer: MAXIM, MAXIN

2.6W Stereo Audio Power Amplifiers and DirectDrive® Headphone Amplifiers
Partnumber Manufacturer Quantity Availability
MAX9755ETI+,MAX9755ETI MAXIM, MAXIN 237 In Stock

Description and Introduction

2.6W Stereo Audio Power Amplifiers and DirectDrive® Headphone Amplifiers The **MAX9755ETI+** is a high-efficiency, Class D audio amplifier from **Maxim Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:  

### **Manufacturer:** Maxim Integrated (MAXIN)  
### **Part Number:** MAX9755ETI+  

### **Description:**  
The MAX9755ETI+ is a **mono, 2.4W Class D audio amplifier** designed for portable and space-constrained applications. It operates from a **2.5V to 5.5V supply**, making it suitable for battery-powered devices. The amplifier features **low EMI (Electromagnetic Interference)** and high efficiency, reducing power consumption and heat dissipation.  

### **Key Features:**  
- **Output Power:**  
  - **2.4W into 4Ω (5V supply, THD+N ≤ 1%)**  
  - **1.6W into 8Ω (5V supply, THD+N ≤ 1%)**  
- **Supply Voltage Range:** **2.5V to 5.5V**  
- **Efficiency:** **Up to 90%** (reduces power loss)  
- **Low Quiescent Current:** **2.5mA (typical)**  
- **Low EMI Spread-Spectrum Modulation** (minimizes interference)  
- **Shutdown Current:** **<1µA** (ultra-low power when inactive)  
- **Thermal and Short-Circuit Protection** (enhances reliability)  
- **No External LC Filter Required** (simplifies design)  
- **Fixed Gain (6dB or 12dB selectable)**  
- **Small Package:** **28-pin TQFN (5mm x 5mm)**  

### **Applications:**  
- Portable audio devices  
- Mobile phones  
- Tablets  
- Notebook PCs  
- Gaming systems  

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

Application Scenarios & Design Considerations

2.6W Stereo Audio Power Amplifiers and DirectDrive&reg; Headphone Amplifiers

Alternative Part Number

  • TDA7491P --: Class-D audio amplifier in a comparable power range with similar supply voltage, suitable as a functional substitute for the MAX9755 in audio power stages.
  • TPA3110D2 --: Filterless Class-D stereo amplifier offering similar output power and supply range, widely used as a drop-in alternative in audio designs.
  • LM4871 --: Low-voltage audio power amplifier with comparable gain and output capability, usable for lower-power replacement where full output is not required.
  • TPA6011A4PWPR --: Class-AB stereo audio power amplifier in a similar power range with comparable supply voltage and load drive, suitable as a functional substitute in audio output stages.
  • LM4871MX --: Widely available mono/stereo audio power amplifier with similar output power and supply range, easy drop-in for many MAX9755 audio amplifier applications.
  • PAM8403DR --: Low-cost class-D stereo audio amplifier offering comparable output power and supply voltage, usable where slightly different efficiency and filtering characteristics are acceptable.

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