TPA6139A2
Features
- 1 Direct Path™
- Eliminates Pops and Clicks
- Eliminates Output DC-Blocking Capacitors
- 3-V to 3.6-V Supply Voltage
- Low Noise and THD
- SNR > 105 d B at
- 1x Gain
- Typical Vn < 15 μVms 20 to 20 k Hz at
- 1x Gain
- THD+N < 0.003% at 10-kΩ Load and
- 1x Gain
- 25 m W into 32-Ω Load
- 2-Vrms Output Voltage into 600-Ω Load
- Single-Ended Input and Output
- Programmable Gain Select Reduces ponent
Count
- 13x Gain Values
- Active Mute With More Than 80-d B Attenuation
- Short-Circuit and Thermal Protection
- ±8-k V HBM ESD Protected Outputs
2 Applications
- PDP and LCD TVs
- Blu-ray Discs™, DVD Players
- Mini and Micro bo Systems
- Soundcards
Functional Block Diagram
3 Description
The TPA6139A2 is a 25-m W, pop-free stereo headphone driver designed to reduce ponent count, board space and cost. It is ideal for singlesupply electronics where size and cost are critical design parameters.
The TPA6139A2 device does not require a power supply greater than 3.3 V to generate its 25 m W, nor...