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TPA6021A4NE4 from TI,Texas Instruments

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TPA6021A4NE4

Manufacturer: TI, BB, TEXAS

Stereo, Class-AB Audio Amplifier with Volume Control and Stereo Headphone Drive 20-PDIP -40 to 85

Partnumber Manufacturer Quantity Availability
TPA6021A4NE4 TI, BB, TEXAS 4645 In Stock

Description and Introduction

Stereo, Class-AB Audio Amplifier with Volume Control and Stereo Headphone Drive 20-PDIP -40 to 85 The TPA6021A4NE4 is a stereo audio power amplifier manufactured by Texas Instruments (BB). Here are the key specifications, descriptions, and features:

### **Specifications:**  
- **Output Power:** 2.1 W per channel into 4 Ω at 5 V (THD+N = 10%)  
- **Supply Voltage Range:** 2.5 V to 5.5 V  
- **Efficiency:** Up to 90% (Class-D operation)  
- **THD+N:** 0.1% (typical at 1 W, 4 Ω, 5 V)  
- **Signal-to-Noise Ratio (SNR):** 95 dB (A-weighted)  
- **Quiescent Current:** 4.5 mA (typical)  
- **Shutdown Current:** 0.1 μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin HTSSOP (PowerPAD™)  

### **Descriptions:**  
- The TPA6021A4NE4 is a stereo Class-D audio amplifier designed for portable applications.  
- It features a differential input to reduce noise and improve audio quality.  
- Includes built-in click-and-pop suppression circuitry.  
- Supports a wide supply voltage range, making it suitable for battery-powered devices.  

### **Features:**  
- **Class-D Operation:** High efficiency with minimal heat dissipation.  
- **Differential Inputs:** Reduces common-mode noise.  
- **Low Quiescent Current:** Extends battery life in portable devices.  
- **Thermal and Short-Circuit Protection:** Enhances reliability.  
- **PowerPAD™ Package:** Improves thermal performance.  
- **Click-and-Pop Suppression:** Minimizes audible artifacts during power-up/down.  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Stereo, Class-AB Audio Amplifier with Volume Control and Stereo Headphone Drive 20-PDIP -40 to 85

Alternative Part Number

  • LM4871M --: Audio power amplifier in the same class with comparable output power and supply range, widely used as a drop-in functional substitute.
  • PAM8403 --: Low-voltage Class-D audio amplifier offering similar output power and efficiency, suitable for speaker driver applications.
  • TDA2822M --: Dual low-voltage audio power amplifier with similar supply voltage and output capability, commonly used in portable audio designs.
  • TDA7266 --: Similar audio amplifier IC with comparable power output and supply voltage, suitable as a functional substitute.

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