TPA6139A2 Overview
Description
The TPA6139A2 is a 25-mW, pop-free stereo headphone driver designed to reduce component count, board space and cost. It is ideal for singlesupply electronics where size and cost are critical design parameters.
Key Features
- 1 DirectPath™ – Eliminates Pops and Clicks – Eliminates Output DC-Blocking Capacitors – 3-V to 3.6-V Supply Voltage
- Low Noise and THD – SNR > 105 dB at –1x Gain – Typical Vn < 15 μVms 20 to 20 kHz at –1x Gain – THD+N < 0.003% at 10-kΩ Load and –1x Gain
- 25 mW into 32-Ω Load
- 2-Vrms Output Voltage into 600-Ω Load
- Single-Ended Input and Output
- Programmable Gain Select Reduces Component Count – 13x Gain Values
- Active Mute With More Than 80-dB Attenuation
- Short-Circuit and Thermal Protection
- ±8-kV HBM ESD Protected Outputs