TI Home > Applications > Audio Dock: Basic

Audio Dock: Basic

With the popularity of portable media and the devices that carry them, the ease of drop and sync capability with computers and media centers becomes important. This audio dock design uses TI audio processors for cost sensitive designs

Block Diagram


AC Adapter Audio Power Amp LDO

Design Considerations

Audio Dock : Basic

This basic active speaker system is often used with portable audio players powered by batteries or an AC adapter. Using a highly efficient Class-D amplifier extends battery runtime and requires no costly heat sink. Additionally, the TPA2008D2 amplifier has DC volume control so only one POT is required, instead of more costly dual-taper POTs. Using this method, the volume is controlled within the chip, which reduces noise that would normally be present when fixing an amplifier at a high gain and attenuating the input.

TI recognizes that this class of speaker systems has a tradeoff between output power and sound quality, and in the case of a portable system, battery runtime. The Block Diagrams for the Basic, Portable and Performance audio docking stations represent a balance of these requirements, each optimized for a different usage model.

Application Notes

  • Flash Programming Solutions for the TMS320F28xxx DSCs (spraal3.htm, 8 KB)
    19 Aug 2008 Abstract
  • Configuring External Interrupts on TMS320C672x Devices (spraaj3.htm, 9 KB)
    11 Jul 2008 Abstract
    

Selection and Solution Guides

Solution Guides

  • Audio Guide 3Q 2008 (Rev. C) (slyy013c.pdf, 3.22 MB)
    29 Aug 2008 Download

Product Bulletin & White Papers

Product Bulletin

  • TAS3204: Audio System on Chip, Ideal iPod/MP3 Dock Solution Product Bulletin (sprt410.pdf, 54 KB)
    06 Dec 2006 Download

White Papers

  • Audio Compression Algorithm Overview - White Paper (spry074.pdf, 81 KB)
    31 Oct 2005 Download
  • A New Audio File Format for Low-Cost, High-Fidelity, Portable Audio Amplifiers (spry076.pdf, 316 KB)
    26 Oct 2005 Download

News Releases & Authored Articles

News Releases

Date Headline
09 Jan 2007 TI Tunes in to Digital TV and MP3 Player Docking Station Markets with New Audio Processors
13 Dec 2006 TI's DirectPath™ Amplifier Delivers Industry's Highest Audio Performance and Lowest Quiescent Current for Cell Phones and Portable Audio Players

Authored Articles

Similar End-Equipment Solutions

TI End-Equipment

All TI End-Equipment Solutions

Support and Community

Other Support