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TPA0122PWP from Ti,Texas Instruments

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TPA0122PWP

Manufacturer: Ti

2-W STEREO AUDIO POWER AMPLIFIER WITH FOUR SELECTABLE GAIN SETTINGS

Partnumber Manufacturer Quantity Availability
TPA0122PWP Ti 444 In Stock

Description and Introduction

2-W STEREO AUDIO POWER AMPLIFIER WITH FOUR SELECTABLE GAIN SETTINGS The part **TPA0122PWP** is a **3.3-V stereo audio power amplifier** manufactured by **Texas Instruments (TI)**.  

### **Key Specifications:**  
- **Supply Voltage:** 3.3 V  
- **Output Power:** 2 x 1.1 W into 4 Ω at 3.3 V (10% THD+N)  
- **Class:** Class-AB  
- **Package:** HTSSOP (PWP) – PowerPAD™  
- **Operating Temperature Range:** -40°C to +85°C  
- **THD+N:** 0.3% (typical at 1 W, 1 kHz)  
- **Shutdown Current:** <1 µA  

### **Features:**  
- **Stereo Audio Amplifier** – Drives two channels  
- **Low Supply Voltage Operation** – Optimized for 3.3 V systems  
- **Thermal and Short-Circuit Protection**  
- **PowerPAD™ Package** – Enhances thermal performance  
- **Pop & Click Suppression** – Reduces noise during power-up/down  
- **Gain Fixed Internally** – Simplifies design  

This amplifier is designed for **portable audio applications**, such as **notebook PCs, PDAs, and portable electronics**.  

Would you like additional details on pin configurations or application circuits?

Application Scenarios & Design Considerations

2-W STEREO AUDIO POWER AMPLIFIER WITH FOUR SELECTABLE GAIN SETTINGS

Alternative Part Number

  • LM4871MX/NOPB --: Audio power amplifier in the same class with similar output power and supply range, widely available and pin-compatible in function.
  • PAM8403DR --: Low-cost class-D audio amplifier offering comparable output power and supply voltage, suitable as a functional substitute.
  • MAX98357AETE+T --: Class-D audio amplifier with similar power rating and digital-friendly interface, usable as an alternative with minor layout changes.

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