TAS5631BDKD

TAS5631B www.ti.com SLES263C – NOVEMBER 2010 – REVISED SEPTEMBER 2012 300-W STEREO / 400-W MONO PurePath™ HD DIGITAL-INPUT POWER STAGE Check for Samples: TAS5631B FEATURES APPLICATIONS • • • • • 1 23 • • • • • • PurePath™ HD Enabled Integrated Feedback Provides: – Signal Bandwidth up to 80 kHz for HighFrequency Content From HD Sources – Ultralow 0.03% THD at 1 W Into 4 Ω – Flat THD at All Frequencies for Natural Sound – 80-dB PSRR (BTL, No Input Signal) – >100-dB (A-weighted) SNR – Click- and Pop-Free Start-Up Multiple Configurations Possible on the Same PCB With Stuffing Options: – Mono Parallel Bridge-Tied Load (PBTL) – Stereo Bridge-Tied Load (BTL) – 2.1 Single-Ended Stereo Pair and BridgeTied Load Subwoofer – Quad Single-Ended Outputs Total Output Power at 10% THD+N – 400 W per Channel in Mono PBTL Configuration – 300 W per Channel in Stereo BTL Configuration – 145 W per Channel in Quad Single-Ended Configuration High-Efficiency Power Stage (>88%) With 60mΩ Output MOSFETs Two Thermally Enhanced Package Options: – PHD (64-Pin QFP) – DKD (44-Pin PSOP3) Self-Protection Design (Including Undervoltage, Overtemperature, Clipping, and Short-Circuit Protection) With Error Reporting EMI Compliant When Used With Recommended System Design Mini Combo System AV Receivers DVD Receivers Active Speakers DESCRIPTION The TAS5631B is a high-performance PWM input class-D amplifier with integrated closed-loop feedback technology (known as PurePath HD technology) with the ability to drive up to 300 W (1) stereo into 4-Ω to 8-Ω speakers from a single 50-V supply. PurePath HD technology enables traditional ABamplifier performance (