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TPA3120D2PWP from TI,Texas Instruments

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TPA3120D2PWP

Manufacturer: TI, N/A

25-W Stereo Class-D Audio Power Amplifier with SE Outputs (TPA3120) 24-HTSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
TPA3120D2PWP TI, N/A 101 In Stock

Description and Introduction

25-W Stereo Class-D Audio Power Amplifier with SE Outputs (TPA3120) 24-HTSSOP -40 to 85 The TPA3120D2PWP is a Class-D audio amplifier manufactured by Texas Instruments. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Output Power:**  
  - 10W per channel into 4Ω at 10% THD+N (VCC = 15V)  
  - 20W into 8Ω at 10% THD+N (VCC = 21V)  
- **Supply Voltage Range (VCC):** 10V to 26V  
- **Efficiency:** Up to 90%  
- **Signal-to-Noise Ratio (SNR):** 95dB (A-weighted)  
- **Total Harmonic Distortion + Noise (THD+N):** 0.1% (typical at 1W, 8Ω)  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** HTSSOP-28 (PWP)  

### **Descriptions:**  
- The TPA3120D2PWP is a stereo Class-D audio amplifier designed for high-efficiency applications.  
- It features a modulation scheme that reduces electromagnetic interference (EMI) and eliminates the need for an output filter.  
- The device includes built-in protection features such as overcurrent, undervoltage, and thermal shutdown.  

### **Features:**  
- **Filterless Operation:** No external LC output filter required.  
- **Differential Inputs:** Reduces common-mode noise.  
- **Mute Function:** Allows for low-power standby mode.  
- **Short-Circuit Protection:** Prevents damage during fault conditions.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Wide Supply Voltage Range:** Supports operation from 10V to 26V.  

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

Application Scenarios & Design Considerations

25-W Stereo Class-D Audio Power Amplifier with SE Outputs (TPA3120) 24-HTSSOP -40 to 85

Alternative Part Number

  • TDA7492P --: Class-D stereo audio amplifier with comparable output power and supply range, commonly used as a drop-in alternative in similar audio designs.
  • MAX9744 --: Class-D stereo amplifier with similar power output and single-supply operation, suitable replacement when layout and filtering are adjusted.
  • PAM8610 --: Low-cost Class-D stereo amplifier with comparable output power and supply voltage, often used as a functional substitute in consumer audio boards.
  • TPA3110D2PWP --: Same family Class-D stereo amplifier in the same HTSSOP-28 PowerPAD package with similar pinout and supply range, making it a close drop-in upgrade.
  • TPA3116D2DAD --: Higher-power Class-D stereo amplifier with comparable supply voltage and analog input architecture, suitable when extra output power is acceptable.
  • MAX9744ETI+ --: Class-D stereo amplifier with analog inputs and similar supply range, usable as a functional alternative with minor layout changes.

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