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MAX9750CETI+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX9750CETI+

Manufacturer: MAXIM

2.6W Stereo Audio Power Amplifiers and DirectDrive® Headphone Amplifiers

Partnumber Manufacturer Quantity Availability
MAX9750CETI+,MAX9750CETI MAXIM 1366 In Stock

Description and Introduction

2.6W Stereo Audio Power Amplifiers and DirectDrive® Headphone Amplifiers The MAX9750CETI+ is a high-efficiency, mono Class D audio power amplifier manufactured by Maxim Integrated.  

### **Key Specifications:**  
- **Output Power:** Up to 20W into a 4Ω load (with 12V supply)  
- **Supply Voltage Range:** 4.5V to 14V  
- **Efficiency:** Up to 90%  
- **THD+N (Total Harmonic Distortion + Noise):** 0.04% (typical at 1W into 8Ω)  
- **Signal-to-Noise Ratio (SNR):** 100dB (typical)  
- **Shutdown Current:** <1µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin TQFN (Thin Quad Flat No-Lead)  

### **Descriptions:**  
The MAX9750CETI+ is designed for high-performance audio applications, providing high output power with minimal heat dissipation. It features a fixed gain (20dB) and operates in a bridge-tied load (BTL) configuration, eliminating the need for an output coupling capacitor.  

### **Features:**  
- **Class D Operation:** High efficiency with low power dissipation  
- **Pop-and-Click Suppression:** Reduces audible noise during power-up/down  
- **Short-Circuit & Thermal Protection:** Ensures device safety  
- **Low Quiescent Current:** 6mA (typical)  
- **Fixed Gain (20dB):** Simplifies design by eliminating external gain-setting components  
- **Single-Supply Operation:** Eliminates the need for a negative supply  

This amplifier is suitable for applications such as portable speakers, LCD TVs, and multimedia systems.

Application Scenarios & Design Considerations

2.6W Stereo Audio Power Amplifiers and DirectDrive® Headphone Amplifiers
Partnumber Manufacturer Quantity Availability
MAX9750CETI+,MAX9750CETI MAXIN 111 In Stock

Description and Introduction

2.6W Stereo Audio Power Amplifiers and DirectDrive® Headphone Amplifiers The **MAX9750CETI+** is a high-efficiency, mono Class D audio power amplifier manufactured by **Maxim Integrated (now part of Analog Devices)**. Below are its key specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Output Power:** Up to **20W** (into 4Ω at 10% THD+N, 12V supply)  
- **Supply Voltage Range:** **4.5V to 14V**  
- **Efficiency:** Up to **90%** (Class D operation)  
- **THD+N (Total Harmonic Distortion + Noise):** **0.04%** (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:** **28-pin TQFN-EP (5x5mm)**  

### **Descriptions:**  
- The MAX9750CETI+ is a **mono Class D amplifier** optimized for **portable and space-constrained audio applications**.  
- It features **spread-spectrum modulation** to reduce EMI interference.  
- Includes **integrated click-and-pop suppression** for noise-free startup/shutdown.  
- Supports **single-ended or differential inputs** with adjustable gain.  

### **Features:**  
- **High Efficiency:** Class D architecture minimizes power loss.  
- **Low Quiescent Current:** **4.5mA** (typical) for battery-powered applications.  
- **Short-Circuit & Thermal Protection:** Built-in safeguards for reliability.  
- **Flexible Gain Settings:** Adjustable via external resistors.  
- **Small Footprint:** 28-pin TQFN package saves board space.  
- **Spread-Spectrum Operation:** Reduces EMI without external filters.  

This information is strictly factual from the manufacturer's datasheet.

Application Scenarios & Design Considerations

2.6W Stereo Audio Power Amplifiers and DirectDrive® Headphone Amplifiers

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