Download TPA3138D2 Datasheet PDF
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TPA3138D2 Description

The TPA3138D2 is a 10-W/ch, high-efficiency, lowidle-current Class-D stereo audio amplifier. It can drive stereo speakers with a load as low as 3.2-Ω. In the 1SPW mode, it consumes a low idle current of only 21-mA (12-V) and can operate down to 3.5-V, allowing for longer audio play and improved thermal performance in bluetooth speakers, battery-powered appliances and other power-sensitive applications.

TPA3138D2 Key Features

  • 1 Wide Supply Range 3.5-V to 14.4-V
  • 2 × 10 W into 6-Ω, 1% THD+N, 12-V Supply
  • 1 x 18.5 W into 4-Ω, 10% THD+N, 12-V Supply
  • THD+N : 0.04% at 1 W, 1 kHz input, 6-Ω
  • Longer Battery Life for Portable

TPA3138D2 Applications

  • 20-mA (12-V) Idle Current in 1SPW Mode