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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?

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.

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