TPA6138A2
Features
- 1 Stereo Direct Path™ Headphone Amplifier
- 40 m W Into 32 Ω With 3.3-V Supply
- Low THD+N < 0.01% at 10 m W Into 32 Ω
- High SNR, >90 d B
- Differential Input and Single-Ended Output
- Adjustable Gain by External Gain-Setting
Resistors
- Configurable as a Second-Order Low-Pass Filter
- Ideal for PWM Audio Sources
- Low DC Offset, <1 m V
- Ground-Referenced Outputs Eliminate DC-
Blocking Capacitors
- Reduce Board Area
- Reduce ponent Cost
- Improve THD+N Performance
- No Degradation of Low-Frequency Response
Due to Output Capacitors
- Short-Circuit Protection
- Click- and Pop-Reduction Circuitry
- External Undervoltage Mute
- Active Mute Control for Pop-Free Audio On/Off
Control
- Space-Saving TSSOP Package
2 Applications
- LCD and PDP TV
- Blu-ray Disc™, DVD Players
- Set-Top Boxes
- Mini/Micro bo Systems
- Sound Cards
- Laptops
3 Description
The TPA6138A2 is a pop-free stereo headphone amplifier designed to allow the removal of the output dc-blocking capacitors for reduced...