TPA3138D2 Overview
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