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TPA3117D2RHBT Arkusz danych(PDF) 1 Page - Texas Instruments |
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TPA3117D2RHBT Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 30 page LINP LINN RINP RINN SD FSEL PLIMIT PBTL PVCC 8 to 26V 1 F m OUTNL FERRITE BEAD FILTER OUTPL 15W FERRITE BEAD FILTER FERRITE BEAD FILTER 8W OUTR+ OUTR- OUTL+ OUTL- Audio Source TPA3117D2 GAIN0 REG_OUT OUTNR FERRITE BEAD FILTER OUTPR 15W 8W FERRITE BEAD FILTER FERRITE BEAD FILTER VDD GAIN1 10W 2.2 F m TPA3117D2 www.ti.com SLOS672 – OCTOBER 2010 15-W Filter-Free Stereo Class-D Audio Power Amplifier with SpeakerGuard™ Check for Samples: TPA3117D2 1 FEATURES APPLICATIONS • Televisions 2 • 15-W/ch into 8 Ω Loads at 10% THD+N From a 16V Supply • Consumer Audio Equipment • All-in-One Computers • 10-W/ch into 8 Ω Loads at 10% THD+N From a 13V Supply DESCRIPTION • 90% Efficient Class-D Operation Eliminates Need for Heat Sinks The TPA3117D2 is a 15W (per channel) efficient, Class-D audio power amplifier for driving bridged-tied • Wide Supply Voltage Range Allows Operation stereo speakers. Advanced EMI Suppression from 8V to 26V Technology enables the use of inexpensive ferrite • Filter-Free Operation bead filters at the outputs while meeting EMC • SpeakerGuard™ Speaker Protection Includes requirements. SpeakerGuard™ speaker protection Adjustable Power Limiter circuitry includes an adjustable power limiter. The adjustable power limiter allows the user to set a • Excellent THD+N / Pop-Free Performance "virtual" voltage rail lower than the chip supply to limit • Four Selectable, Fixed Gain Settings the amount of current through the speaker. • Differential Inputs The TPA3117D2 can drive stereo speakers as low as • Selectable Switching Frequency (290kHz or 4 Ω. The high efficiency of the TPA3117D2, 90%, 390kHz) Allows Multiple Devices to be Used in eliminates the need for an external heat sink when One System playing music. • Integrated 5V Regulator With up to 30 mA of The outputs are also fully protected against shorts to Output Current for Powering External Data GND, VCC, and output-to-output. The short-circuit Converters protection and thermal protection includes an auto-recovery feature. • 5mm x 5mm QFN Packaging SPACER Figure 1. TPA3117D2 Simplified Application Schematic 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 SpeakerGuard is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2010, 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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