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TPA6140A2YFFR from TEXAS

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TPA6140A2YFFR

Manufacturer: TEXAS, TI

25-mW Class-G DirectPath&#153 Stereo Headphone Amplifier with I2C Volume Control (TPA6140) 16-DSBGA -40 to 85

Partnumber Manufacturer Quantity Availability
TPA6140A2YFFR TEXAS, TI 13918 In Stock

Description and Introduction

25-mW Class-G DirectPath&#153 Stereo Headphone Amplifier with I2C Volume Control (TPA6140) 16-DSBGA -40 to 85 The TPA6140A2YFFR is a stereo headphone amplifier manufactured by Texas Instruments (TI). Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Power:** 25 mW per channel into 32 Ω at 3.3 V  
- **Supply Voltage Range:** 2.5 V to 5.5 V  
- **THD+N (Total Harmonic Distortion + Noise):** 0.01% (typical)  
- **SNR (Signal-to-Noise Ratio):** 105 dB (A-weighted)  
- **Shutdown Current:** <1 µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** DSBGA (YFF) – 16-pin, 2.5 mm × 2.5 mm  

### **Descriptions:**  
- The TPA6140A2YFFR is a low-power, high-fidelity stereo headphone amplifier designed for portable audio applications.  
- It features an integrated digital volume control with a 32-step logarithmic scale.  
- The device includes pop-and-click suppression circuitry to minimize audible noise during power-up and shutdown.  

### **Features:**  
- **Low Power Consumption:** Optimized for battery-powered devices.  
- **Digital Volume Control:** Adjustable in 1.5 dB steps via I²C interface.  
- **Pop-and-Click Suppression:** Reduces unwanted audio artifacts.  
- **Short-Circuit and Thermal Protection:** Enhances reliability.  
- **Wide Supply Voltage Range:** Supports operation from 2.5 V to 5.5 V.  
- **Small Form Factor:** Ideal for space-constrained applications.  

This information is sourced from the official Texas Instruments datasheet for the TPA6140A2YFFR.

Application Scenarios & Design Considerations

25-mW Class-G DirectPath&amp;#153 Stereo Headphone Amplifier with I2C Volume Control (TPA6140) 16-DSBGA -40 to 85

Alternative Part Number

  • MAX9723AEBE+T --: Direct-class stereo headphone amplifier with similar low-voltage operation and gain settings, suitable drop-in functional replacement in portable audio designs.
  • LM4881MM --: Boombox headphone amplifier with comparable output power and supply range, same manufacturer family support and easy sourcing.
  • NJU7082BM --: Low-voltage stereo headphone amplifier offering similar gain and shutdown features, a viable alternative when TI parts are unavailable.
  • MAX97220AETE+ --: Direct class-G headphone amplifier with similar low-power audio function and comparable package, suitable functional replacement with layout review.
  • LM4889MA --: Simple low-power audio power amplifier from the same vendor, easy to source and pin-compatible in function for headphone/audio output stages.
  • NCP2890DMR2G --: Low-voltage audio power amplifier offering similar output drive and supply range, a cost-effective alternative for portable audio applications.

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