TAS5132

20W 立体声数字放大器功率级

The is an integrated stereo digital amplifier power stage with an advanced protection system. The TAS5132 is capable of driving a 6- bridge-tied load BTL at up to 25 W per channel with low integrated noise at the output, low THD+N performance, and low idle power dissipation.

A low-cost, high-fidelity audio system can be built using a chipset, comprising a modulator e.g., TAS5086 and the TAS5132. This system only requires a simple passive LC demodulation filter to deliver high-quality, high-efficiency audio amplification with proven EMI compliance. This device requires two power supplies, at 12 V for GVDD and VDD, and at 18 V for PVDD. The TAS5132 does not require power-up sequencing due to internal power-on reset. The efficiency of this digital amplifier is greater than 90% into 8 , which enables the use of smaller power supplies and heatsinks.

The TAS5132 has an innovative protection system integrated on chip, safeguarding the device against a wide range of fault conditions that could damage the system. These safeguards are short-circuit protection, overcurrent protection, undervoltage protection, and overtemperature protection. The TAS5132 has a new proprietary current-limiting circuit that reduces the possibility of device shutdown during high-level music transients.

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2×20 W at 10% THD+N Into 8- BTL

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>100-dB SNR A-Weighted

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<0.1% THD+N at 1 W

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Thermally Enhanced Package:

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DDV 44-pin HTSSOP

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

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

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

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PWM Activity Detector to detect stopped PWM inputs and protect the system

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Error Reporting

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EMI Compliant When Used With Recommended System Design

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Intelligent Gate Drive

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Pin Compatible With the TAS5142DDV

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APPLICATIONS

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Televisions

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Mini/Micro Audio Systems

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DVD Receivers

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Home Theaters

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