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TPA6040A4 from TI,Texas Instruments

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TPA6040A4

Manufacturer: TI

2-W Stereo Audio Power Amplifier with DirectPath(TM) Headphone and Regulator

Partnumber Manufacturer Quantity Availability
TPA6040A4 TI 97 In Stock

Description and Introduction

2-W Stereo Audio Power Amplifier with DirectPath(TM) Headphone and Regulator The TPA6040A4 is a stereo headphone amplifier manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Supply Voltage Range:** 2.5V to 5.5V  
- **Output Power:** 50mW per channel into 16Ω at 5V  
- **Total Harmonic Distortion + Noise (THD+N):** 0.01% (typical)  
- **Signal-to-Noise Ratio (SNR):** 100dB (typical)  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 16-pin TSSOP  

### **Descriptions:**  
- The TPA6040A4 is a stereo headphone amplifier designed for portable audio applications.  
- It features a low-power shutdown mode to conserve battery life.  
- The device includes internal depop circuitry to minimize audible pops and clicks during power-up and shutdown.  

### **Features:**  
- **Low Quiescent Current:** 3.5mA (typical)  
- **Wide Supply Voltage Range:** 2.5V to 5.5V  
- **Click-and-Pop Suppression Circuitry**  
- **Short-Circuit and Thermal Protection**  
- **Gain Configurable via External Resistors**  
- **Shutdown Mode Current:** 0.1μA (typical)  

This information is sourced from the official Texas Instruments datasheet for the TPA6040A4.

Application Scenarios & Design Considerations

2-W Stereo Audio Power Amplifier with DirectPath(TM) Headphone and Regulator

Alternative Part Number

  • MAX9744 --: Class-D audio amplifier with comparable output power and supply range, suitable as a functional substitute in audio amplifier designs.
  • LM4871 --: Widely used audio power amplifier from a different TI series, offering similar audio amplification function for speaker drive applications.
  • PAM8403 --: Low-cost Class-D stereo audio amplifier with similar small-signal audio amplification role, useful as a drop-in style alternative for evaluation.

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