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TAS5110A Dataheets PDF



Part Number TAS5110A
Manufacturers Texas Instruments
Logo Texas Instruments
Description 50-W DIGITAL AMPLIFIER
Datasheet TAS5110A DatasheetTAS5110A Datasheet (PDF)

www.ti.com TAS5110A SLES079A – APRIL 2003 – REVISED MAY 2003 PurePath Digital AMPLIFIER TAS5110A 50-W DIGITAL AMPLIFIER POWER STAGE FEATURES D 50 W RMS Power Into 6 Ω at 10% THD D 40 W RMS Power Into 6 Ω at 0.1% THD D THD+N < 0.09% Typical (1-kHz Input Signal) D 93-dB Dynamic Range (TDAA System) D Power Efficiency > 90% Into 6-Ω and 8-Ω Load D Low Profile, SMD 32-Pin PowerPAD Package D Self-Protecting Design D 3.3-V Digital Interface D EMI Compliant When Used With Recommended System Design A.

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www.ti.com TAS5110A SLES079A – APRIL 2003 – REVISED MAY 2003 PurePath Digital AMPLIFIER TAS5110A 50-W DIGITAL AMPLIFIER POWER STAGE FEATURES D 50 W RMS Power Into 6 Ω at 10% THD D 40 W RMS Power Into 6 Ω at 0.1% THD D THD+N < 0.09% Typical (1-kHz Input Signal) D 93-dB Dynamic Range (TDAA System) D Power Efficiency > 90% Into 6-Ω and 8-Ω Load D Low Profile, SMD 32-Pin PowerPAD Package D Self-Protecting Design D 3.3-V Digital Interface D EMI Compliant When Used With Recommended System Design APPLICATIONS D DVD Receiver D Home Theater D Mini/Micro Component Systems D Internet Music Appliance D Car Audio Amplifiers and Head Units DESCRIPTION The TAS5110A is a high-performance true-digital audio amplifier (TDAA) power stage, designed to drive 50 W per channel. The TAS5110A incorporates TI’s Equibit and PurePath Digital technology and is used in conjunction with a digital audio PWM processor (TAS50xx) to deliver high-power, true-digital audio amplification. The efficiency of this digital amplifier can be greater than 90%, reducing the size of both the power supplies and heat sinks needed. The TAS5110A accepts a mono PWM 3.3-V input and controls the switching of an internal CMOS H-bridge. When used with the TAS50xx PWM processor, system performance of less than 0.09% THD is attainable. Overcurrent protection, overtemperature, and undervoltage protections are built into the TAS5110A, safeguarding the H-bridge and speakers against output shorts, overvoltage conditions, and other fault conditions that could damage the system. TYPICAL TDAA STEREO AUDIO SYSTEM Digital Audio • TAS3001 • DSP • S/PDIF • 1394 • Volume • EQ • DRC • Bass • Treble Left TAS5110A TAS50xx Right TAS5110A L-C Filter L-C Filter • Serial Audio Input Port • Internal PLL • PWM Processor • Two H-Bridge Power Devices 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. PowerPAD, PurePath Digital, and Equibit are trademarks of Texas Instruments. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright  2003, Texas Instruments Incorporated TAS5110A SLES079A – APRIL 2003 – REVISED MAY 2003 www.ti.com TERMINAL ASSIGNMENTS The TAS5110A is offered in a thermally enhanced 32-pin TSSOP surface-mount package (DAD). The DAD package has the PowerPAD on top. DAD PACKAGE (TOP VIEW) PWM_BP 1 PWM_BM 2 RESET 3 PWDN 4 BIAS_B 5 BIAS_A 6 VRFILT 7 DVSS 8 DVSS 9 DVSS 10 DVDD 11 SHUTDOWN 12 ERR0 13 ERR1 14 PWM_AM 15 PWM_AP 16 32 PVDDB2 31 LDROUTB 30 BOOTSTRAPB 29 PVDDB1 28 PVDDB1 27 OUTPUTB 26 OUTPUTB 25 PVSS 24 PVSS 23 OUTPUTA 22 OUTPUTA 21 PVDDA1 20 PVDDA1 19 BOOTSTRAPA 18 LDROUTA.


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