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TPA721 from TI,Texas Instruments

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TPA721

Manufacturer: TI

700-mW Low-Voltage Audio Power Amp

Partnumber Manufacturer Quantity Availability
TPA721 TI 1390 In Stock

Description and Introduction

700-mW Low-Voltage Audio Power Amp The TPA721 is a mono, 1.1W audio power amplifier manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Output Power:** 1.1W into 8Ω at 5V  
- **Supply Voltage Range:** 2.5V to 5.5V  
- **Quiescent Current:** 2.3mA (typical)  
- **Shutdown Current:** 0.1μA (typical)  
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical) at 1kHz, 1W into 8Ω  
- **PSRR (Power Supply Rejection Ratio):** 65dB (typical) at 217Hz  
- **Gain:** Fixed at 6dB (2V/V)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The TPA721 is designed for low-voltage, battery-powered audio applications.  
- It features an integrated depop circuitry to reduce audible pops during power-up and shutdown.  
- The amplifier is optimized for driving small speakers in portable devices.  

### **Features:**  
- **Low Quiescent Current:** Extends battery life in portable applications.  
- **Shutdown Mode:** Minimizes power consumption when not in use.  
- **Thermal and Short-Circuit Protection:** Enhances reliability.  
- **Space-Saving Package:** Available in 8-pin MSOP and SOIC packages.  
- **Improved PSRR:** Reduces noise from power supply variations.  

This information is based on TI's official datasheet for the TPA721.

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