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TPA4861D from TI,Texas Instruments

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TPA4861D

Manufacturer: TI

1-W Mono Audio Power Amplifier

Partnumber Manufacturer Quantity Availability
TPA4861D TI 1338 In Stock

Description and Introduction

1-W Mono Audio Power Amplifier The TPA4861D is a mono bridge-tied load (BTL) audio power amplifier manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Output Power:** 1.1W (typical) into 4Ω at 5V  
- **Supply Voltage Range:** 2.5V to 5.5V  
- **Quiescent Current:** 3.5mA (typical)  
- **THD+N (Total Harmonic Distortion + Noise):** 1% (typical) at 1W into 4Ω  
- **Shutdown Current:** 0.1μA (typical)  
- **Gain:** Fixed at 6dB (2V/V)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (D)  

### **Descriptions:**  
The TPA4861D is a low-voltage, low-quiescent-current mono amplifier designed for battery-powered audio applications. It operates efficiently in a wide voltage range, making it suitable for portable devices. The BTL configuration eliminates the need for an output coupling capacitor, reducing component count and board space.  

### **Features:**  
- **Low Quiescent Current:** Optimized for battery life.  
- **Thermal and Short-Circuit Protection:** Enhances reliability.  
- **No Output Coupling Capacitor Needed:** Simplifies design.  
- **Shutdown Mode:** Reduces power consumption when inactive.  
- **Improved PSRR (Power Supply Rejection Ratio):** Minimizes noise from supply variations.  
- **Surface-Mount Package (SOIC-8):** Compact footprint for space-constrained applications.  

This information is sourced from TI's official documentation for the TPA4861D.

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