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MAX9789AETJ+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX9789AETJ+

Manufacturer: MAXIM

Windows Vista-Compliant, Stereo Class AB Speaker Amplifiers and DirectDrive Headphone Amplifiers

Partnumber Manufacturer Quantity Availability
MAX9789AETJ+,MAX9789AETJ MAXIM 577 In Stock

Description and Introduction

Windows Vista-Compliant, Stereo Class AB Speaker Amplifiers and DirectDrive Headphone Amplifiers The MAX9789AETJ+ is a stereo Class D audio power amplifier manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX9789AETJ+  
- **Type:** Stereo Class D Audio Power Amplifier  
- **Package:** 32-TQFN (5x5)  
- **Output Power:** Up to **2.3W per channel** (into 4Ω at 5V supply)  
- **Supply Voltage Range:** **2.7V to 5.5V**  
- **Efficiency:** Up to **90%**  
- **THD+N (Total Harmonic Distortion + Noise):** **0.03%** (typical)  
- **SNR (Signal-to-Noise Ratio):** **95dB** (typical)  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Shutdown Current:** **0.1µA** (typical)  

### **Descriptions:**
The MAX9789AETJ+ is a high-efficiency, stereo Class D audio amplifier designed for portable and battery-powered applications. It features a low-noise, low-distortion architecture, making it suitable for high-quality audio playback in devices such as smartphones, tablets, and portable media players.  

### **Features:**  
- **Stereo Class D Amplifier:** Provides high-efficiency audio amplification.  
- **Low Power Consumption:** Optimized for battery-powered applications.  
- **Pop-and-Click Suppression:** Minimizes audible noise during power-up/down.  
- **Thermal and Short-Circuit Protection:** Enhances reliability.  
- **I²C Control Interface:** Allows adjustable gain and shutdown modes.  
- **Filterless Operation:** Reduces external component count.  
- **Low EMI Emission:** Complies with stringent EMI requirements.  

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

Application Scenarios & Design Considerations

Windows Vista-Compliant, Stereo Class AB Speaker Amplifiers and DirectDrive Headphone Amplifiers
Partnumber Manufacturer Quantity Availability
MAX9789AETJ+,MAX9789AETJ MAXIN 7470 In Stock

Description and Introduction

Windows Vista-Compliant, Stereo Class AB Speaker Amplifiers and DirectDrive Headphone Amplifiers The MAX9789AETJ+ is a high-efficiency, mono Class D audio amplifier from Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Output Power:** Up to **2.8W** into a **4Ω** load at **5V** supply  
- **Supply Voltage Range:** **2.5V to 5.5V**  
- **Efficiency:** Up to **90%**  
- **THD+N:** **0.04%** (1W into 4Ω)  
- **Shutdown Current:** **0.01µA** (typical)  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **32-pin TQFN (5x5mm)**  

### **Descriptions:**  
- Designed for battery-powered applications requiring high efficiency and low power consumption.  
- Features a **fixed gain (6dB)** and **differential inputs** for noise rejection.  
- Includes **click-and-pop suppression** to minimize audible artifacts during power-up/down.  

### **Features:**  
- **Class D Operation** for high efficiency  
- **Low Quiescent Current (3.5mA typical)**  
- **Short-Circuit and Thermal Protection**  
- **No External Output Filter Required**  
- **Low EMI Emissions**  
- **Differential Inputs** for improved noise immunity  

This amplifier is commonly used in **portable audio devices, smartphones, tablets, and other battery-powered applications**.

Application Scenarios & Design Considerations

Windows Vista-Compliant, Stereo Class AB Speaker Amplifiers and DirectDrive Headphone Amplifiers

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