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TAS5414TDKDMQ1G4 Datasheet(PDF) 1 Page - Texas Instruments |
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TAS5414TDKDMQ1G4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 44 page www.ti.com FEATURES APPLICATIONS DESCRIPTION TAS5414 TAS5424 SLOS514A – FEBRUARY 2007 – REVISED JULY 2007 FOUR-CHANNEL AUTOMOTIVE DIGITAL AMPLIFIERS With Heat Slug Up for the TAS5414 • TAS5414 – Single-Ended Input • 44-Pin PSOP3 (DKD) Power SOP Package With Heat Slug Up for the TAS5424 • TAS5424 – Differential Input • Designed for Automotive EMC Requirements • Four-Channel Digital Power Amplifier • Pb-Free Soldering Supported • Four Analog Inputs, Four BTL Power Outputs • AECQ100 Compliant • Typical Output Power per Channel at 10% THD+N • ISO9000:2002 TS16949 Certified – 28 W/Ch Into 4 Ω at 14.4 Vdc • –40°C to 105°C Ambient Temperature Range – 45 W/Ch Into 2 Ω at 14.4 Vdc – 58 W/Ch Into 4 Ω at 21 Vdc • High-power OEM/retail head units and – 116 W/Ch Into 2 Ω at 21 Vdc PBTL amplifier modules where feature densities and • Channels Can Be Paralleled (PBTL) for 1-Ω system configurations require reduction in Applications heat from the audio power amplifier • THD+N < 0.02%, 1 kHz, 1 W Into 4 Ω • Patented Pop- and Click-Reduction Technology The TAS5414 and TAS5424 are four-channel digital audio amplifiers designed for use in automotive head – Soft Muting With Gain Ramp Control units and external amplifier modules. The TAS5414 – Common-Mode Ramping and TAS5424 provide four channels at 23 W • Patented AM Interference Avoidance continuously into 4 Ω at less than 1% THD+N from a 14.4-V supply. Each channel can also deliver 38 W • Patented Cycle-by-Cycle Current Limit into 2 Ω at 1% THD+N. The TAS5414 uses • 75-dB PSRR single-ended analog inputs, while the TAS5424 • Four-Address I2C Serial Interface for Device employs differential inputs for increased immunity to Configuration and Control common-mode system noise. The digital PWM topology of the TAS5414 and TAS5424 provides • Configurable Channel Gains: 12-dB, 20-dB, dramatic improvements in efficiency over traditional 26-dB, 32-dB linear amplifier solutions. This reduces the power • Load Diagnostic Functions: dissipated by the amplifier by a factor of ten under – Output Open and Shorted Load typical music playback conditions. High efficiency is accomplished without the need for complicated – Output-to-Power and -to-Ground Shorts power-supply schemes. Multiple TAS5414s or – Patented Tweeter Detection TAS5424s can be synchronized to meet • Protection and Monitoring Functions: high-channel-count applications. – Short-Circuit Protection The TAS5414 and TAS5424 incorporate all the – Load-Dump Protection to 50 V functionality needed to perform in the demanding OEM applications area. They have built-in load – Fortuitous Open Ground and Power diagnostic functions for detecting and diagnosing Tolerant misconnected outputs to help to reduce test time – Patented Output DC Level Detection While during the manufacturing process. Music Playing – Overtemperature Protection – Over- and Undervoltage Conditions – Clip Detection • 36-Pin PSOP3 (DKD) Power SOP Package 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 © 2007, 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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