Amplifier IC Headphones, 2-Channel (Stereo) Class AB 16-WQFN (3x3)
The TPA6132A2RTET is a low-power stereo headphone amplifier developed by Texas Instruments for portable and battery-powered audio applications. The device incorporates DirectPath™ technology, eliminating the need for external DC-blocking capacitors while maintaining high audio fidelity and reduced component count. The amplifier supports fully differential as well as single-ended audio inputs, providing improved immunity against system noise and radio-frequency interference.
The device is optimized for portable consumer electronics including smartphones, media players, notebook computers, handheld gaming systems, and other compact audio products. Integrated pop and click suppression circuitry minimizes audible transients during startup and shutdown operation, improving user listening experience and protecting connected headphones from unwanted noise.
The amplifier provides selectable gain configurations and maintains consistent output performance across a wide operating supply range. Built-in short-circuit protection, thermal shutdown protection, and electrostatic discharge protection enhance system reliability and simplify compliance with industry standards for portable electronic equipment.
The TPA6132A2RTET is packaged in a compact surface-mount WQFN package suitable for high-density PCB layouts and space-constrained designs. The device is intended for low-voltage analog audio amplification applications requiring efficient power consumption, low distortion, high power-supply rejection, and capacitor-free headphone drive capability.
Key Features
DirectPath™ capacitor-free headphone output architecture.
Integrated pop and click noise suppression.
Differential and single-ended input compatibility.
Selectable gain settings.
High power-supply noise rejection performance.
Improved RF noise immunity.
Low quiescent current operation.
Short-circuit and thermal-overload protection.
ESD-protected outputs.
Compact WQFN surface-mount package.
Typical Applications
Portable audio devices.
Smartphones and cellular handsets.
Notebook and tablet computers.
MP3 and media players.
Portable gaming equipment.
Battery-powered consumer audio systems.
Package Information
Package type: WQFN surface-mount package.
Mounting type: Surface mount.
Manufacturer: Texas Instruments.
Part number: TPA6132A2RTET.
