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TFA9842AJ from PHILIPS

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TFA9842AJ

Manufacturer: PHILIPS

7.5 W stereo power amplifier with volume control

Partnumber Manufacturer Quantity Availability
TFA9842AJ PHILIPS 11 In Stock

Description and Introduction

7.5 W stereo power amplifier with volume control The TFA9842AJ is a power amplifier IC manufactured by PHILIPS (now NXP Semiconductors).  

### **Specifications:**  
- **Type:** Class-AB stereo amplifier  
- **Output Power:** 2 x 2.8W (at 10% THD, 4Ω load, 12V supply)  
- **Supply Voltage Range:** 4.5V to 18V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** HSOP8 (Exposed Pad)  
- **Features:**  
  - Low standby current  
  - Short-circuit and thermal protection  
  - High power supply ripple rejection  
  - No external compensation required  
  - Mute function  

### **Descriptions and Features:**  
- Designed for portable audio applications such as radios, TVs, and multimedia devices.  
- Provides a compact and efficient solution for stereo amplification.  
- Includes built-in protection against overheating and short circuits.  
- Requires minimal external components for operation.  

For detailed electrical characteristics, refer to the official datasheet from NXP (formerly PHILIPS).

Application Scenarios & Design Considerations

7.5 W stereo power amplifier with volume control
Partnumber Manufacturer Quantity Availability
TFA9842AJ NXP 23232 In Stock

Description and Introduction

7.5 W stereo power amplifier with volume control The part **TFA9842AJ** is a **dual BTL audio power amplifier** manufactured by **NXP Semiconductors**. Below are its key specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Type:** Dual BTL (Bridge-Tied Load) Audio Power Amplifier  
- **Output Power:**  
  - **4Ω Load:** 2 × 2 W  
  - **8Ω Load:** 2 × 1.1 W  
- **Supply Voltage Range:** 3.0 V to 15 V  
- **THD (Total Harmonic Distortion):** Low distortion levels for improved audio quality  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** DBS9P (Plastic DIL-bent-SIL power package)  

### **Descriptions:**  
- Designed for **portable audio applications** such as radios, portable TVs, and multimedia devices.  
- Features **standby mode** for reduced power consumption.  
- **Short-circuit and thermal protection** for improved reliability.  
- **Minimal external components** required for operation.  

### **Features:**  
- **Dual-channel BTL configuration** for efficient power delivery.  
- **Low quiescent current** for battery-powered applications.  
- **No external coupling capacitors** needed (DC-coupled outputs).  
- **Pop-free start-up and shutdown** for improved user experience.  
- **High power supply ripple rejection** (PSRR) for stable performance.  

This information is based on the official NXP datasheet for the TFA9842AJ.

Application Scenarios & Design Considerations

7.5 W stereo power amplifier with volume control

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