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TAS5152 Datasheet(PDF) 1 Page - Texas Instruments |
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TAS5152 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 30 page TAS5152 SLES127A − FEBRUARY 2005 − REVISED NOVEMBER 2005 STEREO DIGITAL AMPLIFIER POWER STAGE TM FEATURES D 2×125 W at 10% THD+N Into 4-W BTL D 2×98 W at 10% THD+N Into 6-W BTL D 2×76 W at 10% THD+N Into 8-W BTL D 4×45 W at 10% THD+N Into 3-W SE D 4×35 W at 10% THD+N Into 4-W SE D 1×192 W at 10% THD+N Into 3-W PBTL D 1×240 W at 10% THD+N Into 2-W PBTL D >100-dB SNR (A-Weighted) D <0.1% THD+N at 1 W D Thermally Enhanced Package Option: − DKD (36-Pin PSOP3) D High-Efficiency Power Stage (>90%) With 140-m W Output MOSFETs D Power-On Reset for Protection on Power Up Without Any Power-Supply Sequencing D Integrated Self-Protection Circuits Including: − Undervoltage − Overtemperature − Overload − Short Circuit D Error Reporting D EMI Compliant When Used With Recommended System Design D Intelligent Gate Drive APPLICATIONS D Mini/Micro Audio System D DVD Receiver D Home Theater DESCRIPTION The TAS5152 is a third-generation, high-performance, integrated stereo digital amplifier power stage with improved protection system. The TAS5152 is capable of driving a 4- Ω bridge-tied load (BTL) at up to 125 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 TI chipset, comprised of a modulator (e.g., TAS5508) and the TAS5152. 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, 12 V for GVDD and VDD, and 35 V for PVDD. The TAS5152 does not require power-up sequencing due to internal power-on reset. The efficiency of this digital amplifier is greater than 90% into 6 Ω, which enables the use of smaller power supplies and heatsinks. The TAS5152 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 TAS5152 has a new proprietary current-limiting circuit that reduces the possibility of device shutdown during high-level music transients. A new programmable overcurrent detector allows the use of lower-cost inductors in the demodulation output filter. PVDD − Supply Voltage − V 0 10 20 30 40 50 60 70 80 90 100 110 120 130 0 5 10 15 20 25 30 35 BTL OUTPUT POWER vs SUPPLY VOLTAGE 8 Ω 4 Ω TC = 75°C THD+N @ 10% 6 Ω PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. PurePath Digital and PowerPAD are trademarks of Texas Instruments. Other trademarks are the property of their respective owners. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. www.ti.com Copyright 2005, Texas Instruments Incorporated |
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