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TPA6041A4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPA6041A4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 27 page 1 FEATURES DESCRIPTION APPLICATIONS SIMPLIFIED APPLICATION CIRCUIT CODEC VDD SPKR SPKR_LIN– BYPASS SGND HP_EN SPKR_EN SPKR_RIN– SPKR_LIN+ HP_INR HP_INL HPVDD CPVDD VDD REG_EN REG_OUT SPKR_RIN+ ROUT+ LOUT+ ROUT– LOUT– SPVDD CPVSS C1P HPVSS SPGND CPGND C1N GAIN0 GAIN1 OUTL OUTR HPR HPL SPKL TPA6047A4 Shutdown Control 3V – 5.5V 4.5V – 5.5V RegulatorEnable 4.75V(ToCODEC) 4.5V – 5.5V Gain Control TPA6047A4 www.ti.com.............................................................................................................................................................................................. SLOS601 – OCTOBER 2008 2-W STEREO AUDIO POWER AMPLIFIER WITH DirectPath™ STEREO HEADPHONE DRIVE AND REGULATOR 23 • Microsoft™ Windows Vista™ Compliant • Fully Differential Architecture and High PSRR The TPA6047A4 is a stereo audio power amplifier and DirectPath™ headphone amplifier in a thermally Provide Excellent RF Rectification Immunity enhanced, space-saving, 32-pin QFN package. The • 2.1-W, 1% THD+N Into 4-Ω Speakers and speaker amplifier is capable of driving 2.1 W per 100-mW, 10% THD+N Into 16- Ω Headphones channel continuously into 4- Ω loads at 5 V. The From 5-V Supply headphone amplifier achieves a minimum of 100 mW • DirectPath™ Headphone Amplifier Eliminates at 10% THD+N from a 5-V supply. A built-in internal Output Capacitors (1) 4-step gain control for the speaker amplifier and a fixed –1.5 V/V gain for the headphone amplifier • Internal 4-Step Speaker Gain Control: 10, 12, minimizes external components needed. 15.6, 21.6 dB and Fixed –1.5-V/V Headphone Independent shutdown control and dedicated inputs • 4.75-V Low Dropout Regulator for CODEC for the speaker and headphone allow the TPA6047A4 • Independent Shutdown Controls for Speaker, to simultaneously drive both headphones and internal Headphone Amplifier, and Low Dropout speakers. Differential inputs to the speaker amplifiers Regulator (LDO) offer superior power-supply and common-mode noise • Output Short-Circuit and Thermal Protection rejection. • Notebook Computers • Portable DVD TPA6040A4 TPA6041A4 TPA6047A4 Speaker Active Low Active Low Active High Enable LDO (V) 4.75 3.3 4.75 6, 10, 15.6, 10, 12, 15.6, 10, 12, 15.6, Gain (dB) 21.6 21.6 21.6 (1) US Patent Number 5289137 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 DirectPath, PowerPAD are trademarks of Texas Instruments. 3 Microsoft, Windows Vista are trademarks of Microsoft Corporation. PRODUCTION DATA information is current as of publication date. Copyright © 2008, 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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