TAS5424ATDKDRQ1 ,4-Channel Automotive Digital Amplifier 44-HSSOP -40 to 105FEATURES Heat Slug Up for the TAS5414A• TAS5414A– Single-Ended Input• TAS5424A– Differential Input• ..
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TAS5504APAG ,4 Channel Digital Audio PWM Processor 64-TQFP 0 to 70 SLES169B–FEBRUARY 2006–REVISED JUNE 20092.2.5 Mute (MUTE).. 412.3 Device Configuration Controls.. ..
TAS5504APAGR ,4 Channel Digital Audio PWM Processor 64-TQFP 0 to 70Electrical Characteristics ...... 493.6 PWM Operation........ 493.7 Switching Characteristics...... ..
TAS5508 ,8 Channel Digital Audio PWM ProcessorFunctional Description........ 182.2.1 Power Supply . 182.2.2 Clock, PLL, and Serial Data Interface ..
TAS5508A ,8 Channel Digital Audio PWM Processor 64-TQFP 0 to 70
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TAS5424ATDKDRQ1
4-Channel Automotive Digital Amplifier 44-HSSOP -40 to 105
TAS5414A, TAS5424A
www.ti.com SLOS535C–MAY 2009–REVISED APRIL 2011
FOUR-CHANNEL AUTOMOTIVE DIGITAL AMPLIFIERS
Checkfor Samples: TAS5414A, TAS5424A
1FEATURES 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 Channelat 10%
THD+N 28 W/Ch Into4Ω
at 14.4 Vdc •
44-Pin PSOP3 (DKD) Power SOP Package With 45 W/Ch Into2Ω
at 14.4 Vdc Heat Slug Up for the TAS5424A 58 W/Ch Into4Ω
at21 Vdc •
64-Pin QFP (PHD) Power Package With Heat
Slug Up for TAS5414A–
116 W/Ch Into2Ω
at 21 Vdc PBTL Designed for Automotive EMC Requirements•
Channels Can Be Paralleled (PBTL) for 1-Ω
Applications •
Qualified Accordingto AEC-Q100 THD+N<
0.02%,1 kHz,1W Into4Ω •
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-AddressI2C Serial Interface for Device DESCRIPTIONConfiguration and Control The TAS5414A and TAS5424A are four-channel
Channel Gains: 12-dB, 20-dB, 26-dB, 32-dB digital audio amplifiers designed for usein automotive
head units and external amplifier modules. The•
Load Diagnostic Functions: TAS5414A and TAS5424A provide four channelsat–
Output Open and Shorted Load 23W continuously into4Ωat less than 1% THD+N–
Output-to-Power and -to-Ground Shorts froma 14.4-V supply. Each channel can also deliverW into2Ωat 1% THD+N. The TAS5414A uses–
Patented Tweeter Detectionsingle-ended analog inputs, while the TAS5424A•
Protection and Monitoring Functions: employs differential inputs for increased immunityto–
Short-Circuit Protection common-mode system noise. The digital PWM
topologyof the TAS5414A and TAS5424A provides–
Load-Dump Protectionto50Vdramatic improvementsin efficiency over traditional–
Fortuitous Open Ground and Power linear amplifier solutions. This reduces the power
Tolerant dissipated by the amplifier bya factorof 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 WithTAS5414A: Not Recommended For New Designs
