2.1 Class-D Digital Input Closed Loop Audio Amplifier System with Signal Processing Reference Design
TIDA-00404
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Description & Features

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Description

This 2.1 Audio Amplifier solution is designed for applications requiring 10 watts or less output power where the addition of a mono subwoofer can enhance the sound quality of stereo audio systems. A stereo TAS5756M Class-D IC amplifier is implemented for the left and right audio channels and a TAS5760M Class-D amplifier provides a mono bass channel. Biquad filters, dynamic bass enhancement and other miniDSP processing blocks allows for a fully tunable 2.1 design for integration into nearly any audio system and application. The TAS5756M output filter has been designed for small footprint allowing easy adaptation into sound bars and Bluetooth speakers where small solution size and cost are critical.

Features
  • Next generation closed loop mid power amplifier boosts excellent audio performance
  • PurePath HybridFlow Processing enhances the sound of small-to-mid size speakers
  • 10W Class-D output for high efficiency from 12V supply
  • Inductor free (ferrite bead) filter for TAS5756 stereo channels reduces 2.1 system cost and footprint
  • Connection to host computer via motherboard allows for design evaluation
  • System input from digital audio sources

See the Important Notice and Disclaimer covering reference designs and other TI resources.


  



Schematic/Block Diagram

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Design Files

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TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TAS5756M  30W digital input, closed loop, Class-D amplifier with Enhanced processing  Audio amplifiers  Sample & Buy View Design Kits & Evaluation Modules
TAS5760L  Closed Loop I2S Input Amplifier with Power Limiter, PVDDmax of 16.5V  Audio amplifiers  Sample & Buy View Design Kits & Evaluation Modules
TAS5760M  Closed Loop I2S Input Amplifier with Power Limiter, PVDDmax of 26.4V  Audio amplifiers  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TAS5756M Download
TAS5760L Download Download
Download Download
TAS5760M Download Download
Download Download

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Technical Documents

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User guides (2)
Title Type Size (KB) Date
PDF 512 20 Mar 2015
PDF 728 20 Mar 2015
Design files (6)
Title Type Size (KB) Date
ZIP 563 20 Mar 2015
ZIP 6947 20 Mar 2015
PDF 418 20 Mar 2015
PDF 494 20 Mar 2015
PDF 211 20 Mar 2015
PDF 109 20 Mar 2015

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