High Dynamic-Range Headphone Driver Reference Design for Voltage-Output, Differential Audio DACs

(ACTIVE) TIDA-00715

Description & Features

Technical Documents

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View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.


Description

A low THD+N amplifier signal chain for driving headphones is presented. The design walks through various factors to consider in order to optimize performance based on customer needs.

Features
  • Ultra-low distortion, THD+N < 0.0003%
  • Low power consumption, 18.25mW/channel
  • Ability to drive 50mW of output power into 32Ω headphone load without sacrificing performance
  • Compact design ideal for portable application
  • Low-power mode to save power in portable applications
  • The circuit performance is thoroughly whetted and includes the entire amplifier singal-chain and a design guide that walks the user throguh various options to consider when designing a headphone amplifier

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.


  




TI Devices (2)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
OPA2836  Dual, Very Low Power, Rail to Rail out, Negative Rail in, VFB Op Amp  Operational Amplifiers (Op Amps)  Sample & Buy View Design Kits & Evaluation Modules
THS4521  Very low power rail-to-rail output fully differential amplifier  Operational Amplifiers (Op Amps)  Sample & Buy View Design Kits & Evaluation Modules

Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views
PDF 2914 17 Sep 2015 318
Design files (5)
Title Abstract Type Size (KB) Date Views
ZIP 1748 07 Oct 2015 50
PDF 354 07 Oct 2015 18
PDF 167 07 Oct 2015 27
PDF 92 07 Oct 2015 15
PDF 101 07 Oct 2015 283
Related Tools & Software

Software (1)




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