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TAS5342LA Datasheet(PDF) 1 Page - Texas Instruments |
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TAS5342LA Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 27 page  TM 1 FEATURES DESCRIPTION 0 120 10 20 30 40 50 60 70 80 90 100 110 0 32 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 T =75 C, THD+N@10% C ° 8 W 6 W 4 W PVDD-SupplyVoltage-Vrms APPLICATIONS TAS5342LA www.ti.com ........................................................................................................................................................................................... SLAS624 – NOVEMBER 2008 100 W STEREO DIGITAL AMPLIFIER POWER STAGE 23 • Total Power Output (Bridge Tied Load) – 2 × 100 W at 10% THD+N Into 4 Ω The TAS5342LA is a high-performance, integrated stereo digital amplifier power stage designed to drive – 2 × 80 W at 10% THD+N Into 6 Ω a 4- Ω bridge-tied load (BTL) at up to 100 W per – 2 × 65 W at 10% THD+N Into 8 Ω channel with low harmonic distortion, low integrated • Total Power Output (Single Ended) noise, and low idle current. – 4 × 40 W at 10% THD+N Into 3 Ω The TAS5342LA has a complete protection system – 4 × 30 W at 10% THD+N Into 4 Ω integrated on-chip, safeguarding the device against a wide range of fault conditions that could damage the • Total Power Output (Parallel Mode) system. These protection features are short-circuit – 1 × 200 W at 10% THD+N Into 2 Ω protection, over-current protection, under voltage – 1 × 160 W at 10% THD+N Into 3 Ω protection, over temperature protection, and a loss of PWM signal (PWM activity detector). • >110 dB SNR (A-Weighted With TAS5518 Modulator) A power-on-reset (POR) circuit is used to eliminate power-supply sequencing that is required for most • <0.1% THD+N (1 W, 1 kHz) power-stage designs. • Supports PWM Frame Rates of 192 kHz to BTL OUTPUT POWER 432 kHz vs • Resistor-Programmable Current Limit SUPPLY VOLTAGE • Integrated Self-Protection Circuitry, Including: – Under Voltage Protection – Overtemperature Warning and Error – Overload Protection – Short-Circuit Protection – PWM Activity Detector • Standalone Protection Recovery • Power-On Reset (POR) to Eliminate System Power-Supply Sequencing • High-Efficiency Power Stage (>90%) With 110-m Ω Output MOSFETs • Thermally Enhanced Package 44-Pin HTSSOP (DDV) • Error Reporting, 3.3-V and 5.0-V Compliant • EMI Compliant When Used With Recommended System Design PurePath Digital™ • Mini/Micro Audio System • DVD Receiver • Home Theater 1 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. 2 PurePath Digital, PowerPAD are trademarks of Texas Instruments. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2008, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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