TIDA-00404

2.1 Class-D Digital Input Closed Loop Audio Amplifier System with Signal Processing Reference Design

TIDA-00404

Design files

Overview

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
Industrial
Personal electronics
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDU865.PDF (784 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

TIDRDK6.PDF (109 K)

Detailed schematic diagram for design layout and components

TIDRDK7.PDF (211 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRDK8.PDF (494 K)

Detailed overview of design layout for component placement

TIDRDL0.ZIP (6947 K)

Files used for 3D models or 2D drawings of IC components

TIDC987.ZIP (563 K)

Design file that contains information on physical board layer of design PCB

TIDRDK9.PDF (418 K)

PCB layer plot file used for generating PCB design layout

Technical documentation

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Type Title Date
User guide TIDA-00404 Quick Start Guide Mar. 20, 2015
Test report TIDA-00404 Test Results Mar. 20, 2015

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