TPA3117 Series
15-W stereo, 8- to 26-V supply, analog input Class-D audio amplifier w/ filter free & SpeakerGuard™
Manufacturer: Texas Instruments
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Key Features
• 15-W/ch into 8Loads at 10% THD+N From a 16V Supply10-W/ch into 8Loads at 10% THD+N From a 13V Supply90% Efficient Class-D Operation Eliminates Need for Heat SinksWide Supply Voltage Range Allows Operation from 8V to 26VFilter-Free OperationSpeakerGuard™ Speaker Protection Includes Adjustable Power LimiterExcellent THD+N / Pop-Free PerformanceFour Selectable, Fixed Gain SettingsDifferential InputsSelectable Switching Frequency (290kHz or 390kHz) AllowsMultiple Devices to be Used in One SystemIntegrated 5V Regulator With up to 30 mA of Output Currentfor Powering External Data Converters5mm × 5mm QFN PackagingAPPLICATIONSTelevisionsConsumer Audio EquipmentAll-in-One ComputersSpeakerGuard is a trademark of Texas Instruments.15-W/ch into 8Loads at 10% THD+N From a 16V Supply10-W/ch into 8Loads at 10% THD+N From a 13V Supply90% Efficient Class-D Operation Eliminates Need for Heat SinksWide Supply Voltage Range Allows Operation from 8V to 26VFilter-Free OperationSpeakerGuard™ Speaker Protection Includes Adjustable Power LimiterExcellent THD+N / Pop-Free PerformanceFour Selectable, Fixed Gain SettingsDifferential InputsSelectable Switching Frequency (290kHz or 390kHz) AllowsMultiple Devices to be Used in One SystemIntegrated 5V Regulator With up to 30 mA of Output Currentfor Powering External Data Converters5mm × 5mm QFN PackagingAPPLICATIONSTelevisionsConsumer Audio EquipmentAll-in-One ComputersSpeakerGuard is a trademark of Texas Instruments.
Description
AI
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 4. 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.
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 4. 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.