The TAS5103 is a compact, high-power, digital amplifier power stage designed to drive an 8-Ωloudspeaker up to 15 W/channel at 10% THD+N. It contains integrated gate-drive, four matched and electrically isolated enhancement-mode N-channel power DMOS transistors, and protection/fault-reporting circuitry. The DAP package has a PowerPAD™ package on the bottom side for heat transfer through the printed-circuit board.
Either of these EVMs plus the HPLMC-012 form a complete two-channel, digital audio amplifier system which includes digital input (S/PDIF), control interface (via USB) to PC and DAP (digital audio processor) features like digital volume control, bass management, and input and output multiplexers.
This EVM is designed to illustrate a low-cost approach to an amplifier design using this device. Improved performance, at increased cost, can be achieved with a high-performance configuration.
2.1TAS5102EVM and TAS5103EVM Features
∙Modular approach comprised of TAS5102EVM or TAS5103EVM amplifier modules and HPL-MC012 modulator/controller module
∙Two-channel evaluation module.
∙Self-contained protection system (short-circuit and thermal).
∙Standard I2S and I2C control via SPDIF and USB
∙Double-sided, plated-through printed-circuit board (PCB) layout
∙Single power supply operation
2.2PCB Key Map
Physical structure for the TAS5102/3EVM is illustrated in Figure 1.
