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TPA721DGNR from TI,Texas Instruments

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TPA721DGNR

Manufacturer: TI

Mono Class-AB Audio Amplifier with Active HIgh Shutdown

Partnumber Manufacturer Quantity Availability
TPA721DGNR TI 175 In Stock

Description and Introduction

Mono Class-AB Audio Amplifier with Active HIgh Shutdown The TPA721DGNR is a mono 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:** 2.5mA (typical)  
- **Total Harmonic Distortion + Noise (THD+N):** 0.2% (typical) at 1kHz, 1W into 8Ω  
- **Shutdown Current:** 0.1μA (typical)  
- **Gain:** Fixed at 6dB  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin MSOP (DGNR)  

### **Descriptions:**  
The TPA721DGNR is a low-voltage, mono Class-AB audio amplifier designed for portable applications. It provides high-quality audio output with low power consumption and features a shutdown mode for power savings.  

### **Features:**  
- Low quiescent current  
- Shutdown mode for power conservation  
- Thermal and short-circuit protection  
- No output coupling capacitors required  
- Improved click-and-pop suppression  
- Space-saving MSOP package  

For detailed technical information, refer to the official TI datasheet.

Partnumber Manufacturer Quantity Availability
TPA721DGNR TI 826 In Stock

Description and Introduction

Mono Class-AB Audio Amplifier with Active HIgh Shutdown The TPA721DGNR is a 1.4W mono audio power amplifier manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Output Power:** 1.4W into 8Ω at 5V  
- **Supply Voltage Range:** 2.5V to 5.5V  
- **Quiescent Current:** 2.5mA (typical)  
- **Shutdown Current:** 0.1μA (typical)  
- **THD+N (Total Harmonic Distortion + Noise):** 0.3% (typical) at 1kHz, 1W into 8Ω  
- **PSRR (Power Supply Rejection Ratio):** 70dB (typical)  
- **Package:** 8-pin MSOP (DGNR)  

### **Descriptions and Features:**  
- Designed for portable audio applications  
- Low quiescent current for extended battery life  
- Integrated shutdown mode for power savings  
- Improved PSRR reduces noise from power supply variations  
- Thermal and short-circuit protection  
- Unity-gain stable, requiring minimal external components  

This amplifier is suitable for applications such as mobile phones, portable media players, and other battery-powered audio devices.

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