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TAS5412-Q1 Datasheet(PDF) 1 Page - Texas Instruments |
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TAS5412-Q1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 38 page TAS5412-Q1 www.ti.com SLOS685A – AUGUST 2013 – REVISED OCTOBER 2013 TWO-CHANNEL AUTOMOTIVE DIGITAL AMPLIFIER Check for Samples: TAS5412-Q1 1 FEATURES • TAS5412-Q1 - 64-Pin QFP (PHD) PowerPAD™ Surface-Mount Package 234 • TAS5412-Q1 - Single-Ended Input • Pin Compatible With 4-Channel Devices • 2-Channel Digital Power Amplifier • Designed for Automotive EMC Requirements • 2 Analog Inputs, 2 BTL Power Outputs • Will Be Qualified According to AEC-Q100 • Typical Output Power per Channel at 10% • ISO9000:2002 TS16949 Certified – 28 Watts/Ch, Into 4 Ω at 14.4 VDC • –40 to 105°C Ambient Temperature Range – 46 Watts/Ch, Into 2 Ω at 14.4 VDC – 79 Watts/Ch, Into 4 Ω at 24 VDC APPLICATIONS – 150 Watts Into 2 Ω at 24 VDC PBTL • Radio Head Units – 90 Watts Into 1 Ω at 14.4 VDC PBTL • External Amplifiers • THD+N < 0.02%, 1 kHz, 1 W Into 4 Ω • Patented Pop- and Click-Reduction DESCRIPTION Technology The device is a two-channel digital audio amplifier • Patented AM Interference Avoidance designed for use in automotive head units and external amplifiers. It provides two channels at 28 W • Patented Cycle-by-Cycle Current Limit into 4 Ω at 10% THD+N from 14.4 V or 46 W into 2 Ω • 75-dB PSRR at 10% THD+N. The digital PWM topology provides • Four-Address I2C Serial Interface for Device dramatic improvements in efficiency over traditional Configuration and Control linear amplifier solutions. This reduces the power dissipated by the amplifier by a factor of ten under • Channel Gains: 12 dB, 20 dB, 26 dB, 32 dB typical music playback conditions. The device • Load Diagnostic Functions: incorporates a patented PWM design that provides – Output Open and Shorted Load excellent power-supply rejection in the harsh electrical environment common in automotive – Output-to-Power and -to-Ground Shorts applications. Applications attain high efficiency – Patented Tweeter Detection without the need for complicated power supply • Protection and Monitoring Functions: schemes. The design allows synchronization of multiple devices. – Short-Circuit Protection – 50-V Load-Dump Protection The device incorporates all the functionality needed to perform in the demanding OEM applications area, – Fortuitous Open-Ground and -Power including load diagnostic functions for detecting and Tolerant diagnosing misconnected outputs. – Patented Output DC Level Detection While This text, unrelated to other data-sheet content, is Music Is Playing intended only for adjusting column lengths on the first – Overtemperature Protection page. – Over- and Undervoltage Protection – Clip Detection 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 PowerPAD is a trademark of Texas Instruments. 3 Ceramique is a trademark of Arctic Silver Inc. 4 Arctic Silver is a registered trademark of Arctic Silver Inc. PRODUCTION DATA information is current as of publication date. Copyright © 2013, 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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