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TPA731DR from TI,Texas Instruments

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TPA731DR

Manufacturer: TI

Mono, Differential Input, Class-AB Audio Amplifier with Active High Shutdown

Partnumber Manufacturer Quantity Availability
TPA731DR TI 3 In Stock

Description and Introduction

Mono, Differential Input, Class-AB Audio Amplifier with Active High Shutdown The TPA731DR is a stereo audio power amplifier manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Type:** Stereo Audio Power Amplifier  
- **Package:** SOIC-8  
- **Output Power:** 1.1W per channel into 8Ω at 5V  
- **Supply Voltage Range:** 2.5V to 5.5V  
- **Quiescent Current:** 2.3mA (typical)  
- **Total Harmonic Distortion + Noise (THD+N):** 0.1% (typical at 1kHz, 1W into 8Ω)  
- **Signal-to-Noise Ratio (SNR):** 100dB (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
- The TPA731DR is a low-voltage, stereo Class-AB audio amplifier designed for portable applications.  
- It features an integrated depop circuit to reduce audible noise during power-up and shutdown.  
- The device is optimized for driving 8Ω speakers with minimal external components.  

### **Features:**
- **Low Quiescent Current:** 2.3mA (typical) for extended battery life.  
- **Wide Supply Voltage Range:** Operates from 2.5V to 5.5V.  
- **Thermal and Short-Circuit Protection:** Built-in safeguards for reliability.  
- **Space-Saving Package:** Available in an 8-pin SOIC (DR) package.  
- **Pop & Click Suppression:** Reduces audible noise during power transitions.  
- **No Output Coupling Capacitors Required:** Simplifies design and reduces BOM cost.  

This information is based solely on the manufacturer's datasheet and technical documentation.

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