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TPA112 from TI,Texas Instruments

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TPA112

Manufacturer: TI

150 mW Stereo Audio Power Amplifier

Partnumber Manufacturer Quantity Availability
TPA112 TI 600 In Stock

Description and Introduction

150 mW Stereo Audio Power Amplifier The TPA112 is a stereo audio power amplifier manufactured by Texas Instruments (TI). Below are the specifications, descriptions, and features based on the available knowledge:

### **Specifications:**
- **Output Power:**  
  - 1.1W per channel into 8Ω at 5V (THD+N = 10%)  
  - 700mW per channel into 8Ω at 3.3V (THD+N = 10%)  
- **Supply Voltage Range:** 2.5V to 5.5V  
- **THD+N (Total Harmonic Distortion + Noise):** 0.1% (typical at 1kHz, 1W into 8Ω)  
- **Efficiency:** Up to 90% (depends on load and supply voltage)  
- **Shutdown Current:** <1µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The TPA112 is a Class-D stereo audio amplifier designed for portable and battery-powered applications. It integrates a high-efficiency switching amplifier with low quiescent current, making it suitable for devices requiring extended battery life. The amplifier includes features like thermal and short-circuit protection.

### **Features:**  
- **Class-D Operation:** High efficiency with minimal heat dissipation.  
- **Low Quiescent Current:** Typically 3.5mA (enables longer battery life).  
- **Shutdown Mode:** Reduces power consumption to <1µA when inactive.  
- **Thermal & Short-Circuit Protection:** Enhances reliability.  
- **Small Footprint:** Available in a compact package (e.g., TSSOP-20).  
- **Filterless Operation:** Eliminates the need for external LC filters.  
- **Pop & Click Suppression:** Minimizes audible noise during power-up/down.  

For exact details, refer to the official TI datasheet.

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