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TPA3117D2

Texas Instruments
Part Number TPA3117D2
Manufacturer Texas Instruments
Description 15-W Filter-Free Stereo Class-D Audio Power Amplifier
Published Dec 9, 2021
Detailed Description TPA3117D2 www.ti.com SLOS672 – OCTOBER 2010 15-W Filter-Free Stereo Class-D Audio Power Amplifier with SpeakerGuard™ ...
Datasheet PDF File TPA3117D2 PDF File

TPA3117D2
TPA3117D2


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


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