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TPA3100D2PHP from TI,Texas Instruments

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TPA3100D2PHP

Manufacturer: TI

20-W Stereo Class-D Audio Power Amplifier (TPA3100) 48-HTQFP -40 to 85

Partnumber Manufacturer Quantity Availability
TPA3100D2PHP TI 241 In Stock

Description and Introduction

20-W Stereo Class-D Audio Power Amplifier (TPA3100) 48-HTQFP -40 to 85 The TPA3100D2PHP is a stereo digital amplifier power stage from Texas Instruments (TI). Here are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Power:**  
  - 20W per channel into 8Ω at 10% THD+N (VDD = 21V)  
  - 15W per channel into 8Ω at 1% THD+N (VDD = 21V)  
  - 10W per channel into 4Ω at 1% THD+N (VDD = 15V)  
- **Supply Voltage Range (VDD):** 10V to 26V  
- **Efficiency:** Up to 90% (reducing heat sink requirements)  
- **Signal-to-Noise Ratio (SNR):** 95dB (A-weighted)  
- **THD+N:** 0.1% (typical at 1W into 8Ω)  
- **Modulation Scheme:** Fixed-frequency PWM with feedback  
- **Switching Frequency:** 300kHz (typical)  
- **Protection Features:** Overcurrent, undervoltage, overtemperature, and short-circuit protection  
- **Package:** 48-pin HTSSOP (PowerPAD™)  

### **Descriptions:**  
The TPA3100D2PHP is a Class-D stereo amplifier designed for high-efficiency audio applications. It integrates a power stage with a fixed-frequency PWM modulator, requiring minimal external components. The device operates from a single power supply and is suitable for consumer audio systems, televisions, and multimedia speakers.  

### **Features:**  
- **High Efficiency:** Minimizes power dissipation and heat generation.  
- **Wide Supply Range:** Supports 10V to 26V operation.  
- **Integrated Feedback:** Reduces external component count.  
- **Thermal and Fault Protection:** Includes overtemperature, overcurrent, and undervoltage lockout.  
- **Standby Mode:** Low quiescent current for power savings.  
- **Pop-Free Operation:** Minimizes audible noise during power-up/down.  
- **Small Footprint:** HTSSOP package with PowerPAD for thermal management.  

For more details, refer to the official TI datasheet.

Application Scenarios & Design Considerations

20-W Stereo Class-D Audio Power Amplifier (TPA3100) 48-HTQFP -40 to 85

Alternative Part Number

  • TDA7492P --: Class-D stereo audio amplifier with comparable output power and supply range, suitable drop-in for many TPA3100D2 designs.
  • MAX9744 --: Class-D stereo amplifier with similar power output and analog volume control, good functional alternative for audio power stages.
  • PAM8610 --: Low-cost Class-D stereo amplifier with comparable output power, useful alternative when cost and simplicity are priorities.
  • TAS5707PHP --: Similar class-D audio amplifier in the same PHP HTQFP package with comparable output power, suitable as a functional substitute.
  • MAX9744ETB+ --: Class-D audio amplifier with comparable power output and supply range, usable as an alternative with minor layout changes.
  • STA540 --: Multi-channel class-D/AB audio amplifier offering similar output power, a viable alternative when board redesign is acceptable.

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