TPA3112D1 Evaluation Module


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The TPA3112D1 evaluation module consists of a single 25-W, Class-D, mono audio power amplifier complete with a small number of external components mounted on a circuit board that can be used to directly drive a speaker with an external analog audio source as the input. The EVM’s default output filter configuration is an LC filter, but can easily be configured to support filter-free operation.

Designers can quickly evaluate the sound quality and verify specifications in their application with the TPA3112D1EVM. In addition, the TPA3112D1EVM User's Guide contains the schematic, layout and bill of materials for a reference design.

  • Greater than 90% Efficient Class-D Operation.
  • Support for Filter-Free Operation.
  • SpeakerGuard™ Speaker Protection circuitry.
  • Four Selectable, Fixed Gain Settings.
  • Wide Operating Voltage: 8 V - 26 V.
  • Thermal and Short Circuit Protection with Auto Recovery Feature.
Speaker amps
TPA3112D1 25-W mono, 8- to 26-V supply, analog input Class-D audio amplifier w/ filter free & SpeakerGuard™ TPA3112D1-Q1 Automotive, 25-W, 1-ch, 8- to 26-V analog in Class-D audio amplifier w/ SpeakerGuard™

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Evaluation board

TPA3112D1EVM – TPA3112D1 Evaluation Module

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Design files

TPA3112D1EVM Gerber Files SLOC158.ZIP (501 KB)

Technical documentation

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Type Title Date
Certificate TPA3112D1EVM EU Declaration of Conformity (DoC) Jan. 02, 2019
Data sheet TPA3112D1 25-W Filter-Free Mono Class-D Audio Power Amplifier With SpeakerGuard™ datasheet (Rev. D) Dec. 07, 2016
Data sheet 25-W Filter-Free Mono Class-D Audio Power Amplifier with Speaker Guard™ datasheet (Rev. C) Jul. 17, 2012
User guide TPA3112D1 Audio Amplifier Evaluation Module User's Guide (Rev. A) Jul. 08, 2010

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