TAS5142DDV

立体声数字放大器功率级 STEREO DIGITAL AMPLIFIER POWER STAGE

DESCRIPON

The TAS5142 is a third-generation, high-performance, integrated stereo digital amplifier power stage with an improved protection system. The TAS5142 is capable of driving a 4-Ω bridge-tied load BTL at up to 100 W per channel with low integrated noise at the output, low THD+N performance, and low idle power dissipation.

FEATURES

• 2×100 W at 10% THD+N Into 4-Ω BTL

• 2×80 W at 10% THD+N Into 6-Ω BTL

• 2×65 W at 10% THD+N Into 8-Ω BTL

• 4×40 W at 10% THD+N Into 3-Ω SE

• 4×30 W at 10% THD+N Into 4-Ω SE

• 1×160 W at 10% THD+N Into 3-Ω PBTL

• 1×200 W at 10% THD+N Into 2-Ω PBTL

• >100 dB SNR A-Weighted

• <0.1% THD+N at 1 W

• Two Thermally Enhanced Package Options:

– DKD 36-pin PSOP3

– DDV 44-pin HTSSOP

• High-Efficiency Power Stage >90% With 140-mΩ Output MOSFETs

• Power-On Reset for Protection on Power Up Without Any Power-Supply Sequencing

• Integrated Self-Protection Circuits Including Undervoltage, Overtemperature, Overload, Short Circuit

• Error Reporting

• EMI Compliant When Used With Recommended System Design

• Intelligent Gate Drive

APPLICATIONS

• Mini/Micro Audio System

• DVD Receiver

• Home Theater