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TPA6021A4 from TI,Texas Instruments

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TPA6021A4

Manufacturer: TI

Stereo, Class-AB Audio Amplifier with Volume Control and Stereo Headphone Drive

Partnumber Manufacturer Quantity Availability
TPA6021A4 TI 23623 In Stock

Description and Introduction

Stereo, Class-AB Audio Amplifier with Volume Control and Stereo Headphone Drive The TPA6021A4 is a stereo audio power amplifier manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Output Power:**  
  - 1.1W per channel into 8Ω at 5V (THD+N = 10%)  
  - 2.2W per channel into 4Ω at 5V (THD+N = 10%)  
- **Supply Voltage Range:** 2.5V to 5.5V  
- **Efficiency:** Up to 90% (depending on load and supply voltage)  
- **THD+N (Total Harmonic Distortion + Noise):** 0.1% (typical at 1kHz, 1W into 8Ω)  
- **Signal-to-Noise Ratio (SNR):** 100dB (typical)  
- **Shutdown Current:** <1µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 32-pin TQFP (PowerPAD™)  

### **Descriptions:**  
- The TPA6021A4 is a Class-D stereo audio amplifier designed for portable applications.  
- It integrates a modulation scheme to reduce EMI (electromagnetic interference).  
- Features a differential input for noise rejection and improved audio performance.  

### **Features:**  
- **Class-D Operation:** High efficiency with low power dissipation.  
- **Differential Inputs:** Reduces common-mode noise.  
- **Short-Circuit & Thermal Protection:** Enhances reliability.  
- **Low Quiescent Current:** 4.5mA (typical) for power efficiency.  
- **Pop & Click Suppression:** Minimizes audible noise during power-up/down.  
- **Mono or Stereo Operation:** Configurable for different audio setups.  
- **PowerPAD™ Package:** Improves thermal performance.  

This amplifier is commonly used in portable audio devices, smartphones, tablets, and other battery-powered applications.

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