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MAX9789AETJ+T from 07+

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MAX9789AETJ+T

Manufacturer: 07+

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

Partnumber Manufacturer Quantity Availability
MAX9789AETJ+T 07+ 1322 In Stock

Description and Introduction

Windows Vista-Compliant, Stereo Class AB Speaker Amplifiers and DirectDrive Headphone Amplifiers The **MAX9789AETJ+T** is a high-performance, mono, Class D audio amplifier from **Maxim Integrated (now part of Analog Devices)**. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (Analog Devices)  
- **Part Number:** MAX9789AETJ+T  
- **Package:** 32-TQFN (5x5mm)  
- **Operating Voltage:** 2.7V to 5.5V  
- **Output Power:** Up to **2.8W** (into 4Ω at 5V)  
- **Efficiency:** Up to **90%** (Class D operation)  
- **Signal-to-Noise Ratio (SNR):** **>100dB** (A-weighted)  
- **Total Harmonic Distortion + Noise (THD+N):** **<0.1%** (1W into 4Ω)  
- **Shutdown Current:** **<1µA**  
- **Operating Temperature Range:** **-40°C to +85°C**  

### **Descriptions:**  
- The **MAX9789AETJ+T** is a **mono, filterless Class D amplifier** designed for portable and battery-powered applications.  
- It features **low EMI** and **high efficiency**, making it suitable for smartphones, tablets, and portable media players.  
- The device includes **automatic gain control (AGC)** to prevent clipping and distortion.  
- It supports **single-ended and differential inputs** for flexible audio signal interfacing.  

### **Features:**  
- **Filterless Class D Operation** – Reduces external component count.  
- **Low Quiescent Current** – **4.5mA** (typical) for power efficiency.  
- **Click-and-Pop Suppression** – Minimizes audible noise during power-up/down.  
- **Short-Circuit and Thermal Protection** – Enhances reliability.  
- **Automatic Gain Control (AGC)** – Maintains optimal audio levels.  
- **Wide Supply Voltage Range (2.7V–5.5V)** – Supports various battery configurations.  

This amplifier is commonly used in **portable electronics, Bluetooth speakers, and other space-constrained audio applications**.

Application Scenarios & Design Considerations

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

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