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TAS5424ATDKDRQ1G4 Datasheet(PDF) 1 Page - Texas Instruments |
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TAS5424ATDKDRQ1G4 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 55 page  TAS5414A, TAS5424A www.ti.com SLOS535C – MAY 2009 – REVISED APRIL 2011 FOUR-CHANNEL AUTOMOTIVE DIGITAL AMPLIFIERS Check for Samples: TAS5414A, TAS5424A 1 FEATURES Heat Slug Up for the TAS5414A • TAS5414A – Single-Ended Input • TAS5424A – Differential Input • Four-Channel Digital Power Amplifier • Four Analog Inputs, Four BTL Power Outputs • Typical Output Power per Channel at 10% THD+N – 28 W/Ch Into 4 Ω at 14.4 Vdc • 44-Pin PSOP3 (DKD) Power SOP Package With – 45 W/Ch Into 2 Ω at 14.4 Vdc Heat Slug Up for the TAS5424A – 58 W/Ch Into 4 Ω at 21 Vdc • 64-Pin QFP (PHD) Power Package With Heat Slug Up for TAS5414A – 116 W/Ch Into 2 Ω at 21 Vdc PBTL • Designed for Automotive EMC Requirements • Channels Can Be Paralleled (PBTL) for 1- Ω Applications • Qualified According to AEC-Q100 • THD+N < 0.02%, 1 kHz, 1 W Into 4 Ω • ISO9000:2002 TS16949 Certified • Patented Pop- and Click-Reduction • –40°C to 105°C Ambient Temperature Range Technology APPLICATIONS – Soft Muting With Gain Ramp Control – Common-Mode Ramping • High-Power OEM/Retail Head Units and Amplifier Modules Where Feature Densities • Patented AM Interference Avoidance and System Configurations Require Reduction • Patented Cycle-by-Cycle Current Limit in Heat From the Audio Power Amplifier • 75-dB PSRR • Four-Address I2C Serial Interface for Device DESCRIPTION Configuration and Control The TAS5414A and TAS5424A are four-channel • Channel Gains: 12-dB, 20-dB, 26-dB, 32-dB digital audio amplifiers designed for use in automotive head units and external amplifier modules. The • Load Diagnostic Functions: TAS5414A and TAS5424A provide four channels at – Output Open and Shorted Load 23 W continuously into 4 Ω at less than 1% THD+N – Output-to-Power and -to-Ground Shorts from a 14.4-V supply. Each channel can also deliver 38 W into 2 Ω at 1% THD+N. The TAS5414A uses – Patented Tweeter Detection single-ended analog inputs, while the TAS5424A • Protection and Monitoring Functions: employs differential inputs for increased immunity to – Short-Circuit Protection common-mode system noise. The digital PWM topology of the TAS5414A and TAS5424A provides – Load-Dump Protection to 50 V dramatic improvements in efficiency over traditional – Fortuitous Open Ground and Power linear amplifier solutions. This reduces the power Tolerant dissipated by the amplifier by a factor of ten under – Patented Output DC Level Detection While typical music playback conditions. The TAS5414A Music Playing and TAS5424A incorporate all the functionality needed to perform in the demanding OEM – Overtemperature Protection applications area. They have built-in load diagnostic – Over- and Undervoltage Conditions functions for detecting and diagnosing misconnected – Clip Detection outputs to help to reduce test time during the manufacturing process. • 36-Pin PSOP3 (DKD) Power SOP Package With 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. PRODUCTION DATA information is current as of publication date. Copyright © 2009–2011, 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. TAS5414A: Not Recommended For New Designs |
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