TPA3111D1PWP Datasheet

Linear - Amplifiers - Audio


The TPA3111D1PWP is a 10-W efficient, Class-D audio power amplifier for driving a bridge tied speaker.Advanced EMI Suppresion Technology enables the use of inexpensive ferrite bead filters at the outputs while meeting EMC requirements. SpeakerGuard™ speaker protection system includes an adjustable power limiter and a DC detection circuit. 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 DC detect circuit measures the frequency and amplitude of the PWM signal and shuts off the output stage if the input capacitors are damaged or shorts exist on the inputs.The TPA3111D1PWP can drive a mono speaker as low as 4Ω. The high efficiency of the TPA3111D1PWP , > 90%,eliminates the need for an external heat sink when playing music.The outputs are fully protected against shorts to GND, VCC, and output-to-output. The short-circuit protection and thermal protection includes an auto-recovery feature. TPA3111D1PWP Features • 10-W into an 8-Ω Load at 10% THD+N From a 12-V Supply• 7-W into an 4-Ω Load at 10% THD+N From a 8-V Supply• 94% Efficient Class-D Operation into 8-Ω Load Eliminates Need for Heat Sinks• Wide Supply Voltage Range Allows Operation from 8 to 26 V• Filter-Free Operation• SpeakerGuard™ Speaker Protection Includes Adjustable Power Limiter plus DC Protection• Flow Through Pin Out Facilitates Easy Board Layout• Robust Pin-to-Pin Short Circuit Protection and Thermal Protection with Auto-Recovery Option• Excellent THD+N/ Pop Free Performance• Four Selectable, Fixed Gain Settings• Differential Inputs TPA3111D1PWP Applications • Televisions• Monitor/Laptop• Consumer Audio Equipment


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Manufacturer information


Diodes Incorporated is a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete, logic, analog and mixed-signal semiconductor markets. Diodes serves the consumer electronics, computing, communications, industrial, and automotive markets.
Diodes’ products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.
Diodes’ corporate headquarters and Americas’ sales office are located in Plano, Texas and Milpitas, California. Design, marketing, and engineering centers are located in Plano; Milpitas; Taipei, Taiwan; Taoyuan City, Taiwan; Zhubei City, Taiwan; Manchester, England; and Neuhaus, Germany. Diodes’ wafer fabrication facilities are located in Manchester and Shanghai, China. Diodes has assembly and test facilities located in Shanghai, Jinan, Chengdu, and Yangzhou, China, as well as in Hong Kong, Neuhaus and Taipei. Additional engineering, sales, warehouse, and logistics offices are located in Taipei; Hong Kong; Manchester; Shanghai; Shenzhen, China; Seongnam-si, South Korea; and Munich, Germany, with support offices throughout the world.

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