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TPA321DGNR from TI,Texas Instruments

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TPA321DGNR

Manufacturer: TI

350-mW Low-Voltage Audio Power Amp with differential inputs

Partnumber Manufacturer Quantity Availability
TPA321DGNR TI 1390 In Stock

Description and Introduction

350-mW Low-Voltage Audio Power Amp with differential inputs The TPA321DGNR is a Class-D audio amplifier manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Output Power:** 20W per channel into 4Ω at 10% THD+N (with 12V supply)  
- **Supply Voltage Range:** 4.5V to 14V  
- **Efficiency:** Up to 90%  
- **THD+N (Total Harmonic Distortion + Noise):** 0.1% (typical)  
- **Signal-to-Noise Ratio (SNR):** 100dB (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin MSOP PowerPAD™ (DGNR)  

### **Descriptions:**  
The TPA321DGNR is a stereo Class-D audio amplifier designed for efficient power delivery in portable and battery-powered applications. It features a differential input and integrates protection circuits such as thermal shutdown and overcurrent protection.  

### **Features:**  
- **Class-D Operation:** High efficiency with minimal heat dissipation  
- **Differential Inputs:** Reduces noise pickup  
- **Pop-and-Click Suppression:** Minimizes audible noise during power-up/down  
- **Thermal and Short-Circuit Protection:** Enhances reliability  
- **Low Quiescent Current:** Extends battery life in portable applications  
- **Small Footprint:** Suitable for space-constrained designs  

This amplifier is commonly used in applications like portable speakers, LCD TVs, and gaming systems.  

Would you like additional details on any specific aspect?

Application Scenarios & Design Considerations

350-mW Low-Voltage Audio Power Amp with differential inputs
Partnumber Manufacturer Quantity Availability
TPA321DGNR TI 61 In Stock

Description and Introduction

350-mW Low-Voltage Audio Power Amp with differential inputs The TPA321DGNR is a Class-D audio amplifier manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Output Power:** 2.5W per channel into 4Ω at 5V  
- **Supply Voltage Range:** 2.5V to 5.5V  
- **Efficiency:** Up to 90%  
- **THD+N (Total Harmonic Distortion + Noise):** 0.1% (typical)  
- **Signal-to-Noise Ratio (SNR):** 100dB  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 8-pin MSOP (DGNR)  

### **Descriptions:**  
The TPA321DGNR is a stereo Class-D audio amplifier designed for portable applications. It features a low-power shutdown mode and operates efficiently with a single supply voltage.  

### **Features:**  
- **Stereo Class-D Operation**  
- **Low Quiescent Current (4mA typical)**  
- **Thermal and Short-Circuit Protection**  
- **Pop-and-Click Suppression**  
- **Filterless Operation (Reduces External Components)**  
- **Available in a Small MSOP Package**  

This amplifier is suitable for battery-powered devices such as smartphones, tablets, and portable speakers.

Application Scenarios & Design Considerations

350-mW Low-Voltage Audio Power Amp with differential inputs

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