TPA3139D2 Description
The TPA3139D2 is a 10-W stereo Class-D audio amplifier, featuring a fast turn-on time of <15 ms and mute function. It consumes low idle current of only 20mA (12-V) and can operate down to 3.5-V, allowing for longer audio playback. Along with a small, 4 x 4 mm2 QFN package, the TPA3139D2 is optimized for 2-cell or 3-cell battery-powered systems with the space constraints.
TPA3139D2 Key Features
- 2 × 3 W into 8-Ω, 1% THD+N, 7.4-V supply
- 2 × 10 W into 8-Ω, 1% THD+N, 13.5-V supply
- Fast Turn-on time < 15 ms
- Wide supply range 3.5-V to 14.4-V
- Low idle current and small footprint for portable