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TPA3101D2 from TEXAS

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TPA3101D2

Manufacturer: TEXAS, TI

10-W Stereo Class-D Audio Power Amplifier (TPA3101)

Partnumber Manufacturer Quantity Availability
TPA3101D2 TEXAS, TI 376 In Stock

Description and Introduction

10-W Stereo Class-D Audio Power Amplifier (TPA3101) The TPA3101D2 is a stereo Class-D audio amplifier manufactured by Texas Instruments. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Output Power:**  
  - 20W per channel into 4Ω at 10% THD+N (VDD = 21V)  
  - 15W per channel into 8Ω at 10% THD+N (VDD = 21V)  
- **Supply Voltage Range (VDD):** 8V to 26V  
- **Efficiency:** Up to 90%  
- **THD+N (Total Harmonic Distortion + Noise):** 0.1% (typical at 1W, 8Ω)  
- **Signal-to-Noise Ratio (SNR):** 95dB (A-weighted)  
- **Switching Frequency:** 300kHz to 500kHz (adjustable)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 32-pin HTSSOP (PowerPAD™)  

### **Description:**  
The TPA3101D2 is a high-efficiency Class-D audio amplifier designed for stereo applications. It integrates a modulation scheme to reduce EMI and offers a high signal-to-noise ratio for clear audio output. The device operates over a wide supply voltage range, making it suitable for various audio systems, including home theater, portable speakers, and automotive audio.

### **Features:**  
- **Stereo Class-D Amplifier:** Supports two-channel audio output.  
- **Adjustable Switching Frequency:** Allows optimization for EMI performance.  
- **Integrated Feedback:** Reduces external component count.  
- **Thermal and Short-Circuit Protection:** Enhances reliability.  
- **Pop and Click Suppression:** Minimizes noise during power-up/down.  
- **Standby Mode:** Low quiescent current for power savings.  
- **Single-Supply Operation:** Simplifies power requirements.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

10-W Stereo Class-D Audio Power Amplifier (TPA3101)

Alternative Part Number

  • LM4863 --: Dual/ stereo class-AB audio power amplifier with similar output power range and pin-compatible style, widely used as a drop-in substitute for TPA3101D2 in audio designs.
  • MAX9744 --: Class-D audio amplifier with comparable supply voltage and output power, offering a different series and manufacturer for design flexibility.
  • PAM8403 --: Low-cost 3W class-D stereo audio amplifier with similar function and supply range, suitable as a cost-effective alternative in portable audio applications.
  • TDA7492P --: Class-D audio amplifier with comparable output power and supply range, commonly used as a drop-in alternative in similar audio designs.
  • PAM8610 --: Low-cost Class-D stereo amplifier with comparable output power and supply voltage, widely available as an alternative for similar audio amplifier roles.

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