TAS5624A

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TAS5624A SLAS844A – MAY 2012 – REVISED JANUARY 2016 TAS5624A 150-W Stereo and 300-W Mono PurePath™ HD Digital Input Class-D Power Stage 1 Features 1 PurePath™ HD Integrated Feedback Provides: – 0.025% THD at 1 W into 4 Ω – > 65-dB PSRR (No Input Signal) – > 105-dB (A-Weighted) SNR Preclipping Output for Control of a Class-G Power Supply Reduced Heat Sink Size Due to Use of 40-mΩ Output MOSFET With > 90% Efficiency at Full Output Power Output Power at 10% THD+N – 150-W and 4-Ω BTL Stereo Configuration – 300-W and 2-Ω PBTL Mono Configuration Output Power at 10% THD+N – 125-W and 4-Ω BTL Stereo Configuration – 250-W and 2-Ω PBTL Mono Configuration Click-Free and Pop-Free Start-Up Error Reporting Self-Protected Design With UVP, Overtemperature, and Short-Circuit Protection EMI-Compliant When Used With Recommended System Design 44-Pin HTSSOP (DDV) Package for Reduced Board Size 2 Applications Blu-ray™ and DVD Receivers High-Power Sound Bars Powered Subwoofer and Active Speakers Mini Combo Systems 3 Description The TAS5624A device is a thermally-enhanced version of the class-D power amplifier based on the TAS5614A using large MOSFETs for improved power efficiency and a novel gate-drive scheme for reduced losses in idle and at low-output signals leading to reduced heat sink size. The unique preclipping output signal can be used to control a Class-G power supply. This ...