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TPA3123D2 from TI,Texas Instruments

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TPA3123D2

Manufacturer: TI

25-W Stereo Class-D Audio Power Amplifier with SE Outputs (TPA3123) 24-HTSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
TPA3123D2 TI 47 In Stock

Description and Introduction

25-W Stereo Class-D Audio Power Amplifier with SE Outputs (TPA3123) 24-HTSSOP -40 to 85 The TPA3123D2 is a Class-D audio amplifier manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Output Power:**  
  - 10W per channel into 4Ω at 10% THD+N (VDD = 15V)  
  - 15W per channel into 3Ω at 10% THD+N (VDD = 15V)  
- **Supply Voltage Range (VDD):** 4.5V to 26V  
- **Efficiency:** Up to 90%  
- **THD+N (Total Harmonic Distortion + Noise):** 0.1% (typical at 1W, 4Ω, 1kHz)  
- **Signal-to-Noise Ratio (SNR):** 95dB (A-weighted)  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 32-pin HTSSOP (PowerPAD™)  

### **Descriptions:**  
- The TPA3123D2 is a stereo Class-D audio amplifier with integrated feedback for improved audio performance.  
- It features a modulation scheme that reduces EMI (Electromagnetic Interference).  
- Designed for consumer audio applications such as TVs, soundbars, and portable speakers.  
- Includes built-in protection features like overcurrent, undervoltage, and thermal shutdown.  

### **Features:**  
- **High Efficiency:** Class-D operation minimizes power dissipation.  
- **Integrated Feedback:** Reduces output filter dependency for better audio quality.  
- **Low Quiescent Current:** Typically 20mA (no load).  
- **Differential Inputs:** Reduces common-mode noise.  
- **Pop-and-Click Suppression:** Minimizes audible noise during power-up/down.  
- **Short-Circuit & Thermal Protection:** Enhances system reliability.  
- **Flexible Power Supply:** Operates from a single supply (4.5V to 26V).  

This information is sourced from the official Texas Instruments datasheet for the TPA3123D2.

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