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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).

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.

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