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TPA3100D2RGZRG4 from TI,Texas Instruments

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TPA3100D2RGZRG4

Manufacturer: TI, TEXAS

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

Partnumber Manufacturer Quantity Availability
TPA3100D2RGZRG4 TI, TEXAS 2692 In Stock

Description and Introduction

20-W Stereo Class-D Audio Power Amplifier (TPA3100) 48-VQFN -40 to 85 The TPA3100D2RGZRG4 is a Class-D audio amplifier manufactured by Texas Instruments. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Texas Instruments  
- **Category:** Audio Amplifiers  
- **Type:** Class-D Stereo Amplifier  
- **Output Power:**  
  - 20W per channel (4Ω, 10% THD+N, 15V supply)  
  - 15W per channel (8Ω, 10% THD+N, 15V supply)  
- **Supply Voltage Range:** 4.5V to 26V  
- **Efficiency:** Up to 90%  
- **THD+N (Total Harmonic Distortion + Noise):** 0.1% (typical)  
- **Signal-to-Noise Ratio (SNR):** 95dB (A-weighted)  
- **Switching Frequency:** 300kHz to 500kHz (adjustable)  
- **Package:** 48-Pin VQFN (RGZ)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The TPA3100D2RGZRG4 is a high-efficiency, stereo Class-D audio amplifier designed for driving speakers in applications such as flat-panel TVs, sound bars, and portable audio systems. It features an integrated feedback loop for improved audio performance and reduced external component count.  

### **Features:**  
- **High Efficiency:** Up to 90% efficiency reduces power dissipation.  
- **Low Quiescent Current:** 15mA (typical) for power savings.  
- **Integrated Feedback:** Reduces external components and improves audio quality.  
- **Adjustable Gain:** Configurable via external resistors.  
- **Short-Circuit & Thermal Protection:** Built-in safeguards for reliability.  
- **Pop & Click Suppression:** Minimizes noise during power-up/down.  
- **Single-Supply Operation:** Simplifies power requirements.  
- **Flexible Input Configurations:** Supports single-ended or differential inputs.  

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

Application Scenarios & Design Considerations

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

Alternative Part Number

  • TAS5707PHPR --: TI class-D audio amplifier in a different series (TAS) with comparable stereo power output and supply range, suitable as a functional substitute.
  • MAX9744ETB+ --: Class-D stereo audio amplifier from a different vendor with similar output power and single-supply operation, usable as a cross-vendor alternative.
  • STA333BW13TR --: Class-D audio amplifier IC from another manufacturer offering comparable power and digital-friendly features for similar audio applications.
  • MAX9744ETI+ --: Class-D stereo audio amplifier delivering comparable output power with analog input, usable as a cross-vendor alternative for similar speaker-drive applications.
  • STA540 --: Multi-channel class-AB audio amplifier that can replace the TPA3100D2 in lower-efficiency designs where board space and thermal budget allow.

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