TIPD177 Reference Design

Texas Instruments

A High-Fidelity Headphone Amplifier for Current Output Audio DACs Reference Design


This TI Precision Verified Design circuit converts the differential current output of audio DACs to a single-ended voltage capable of driving low impedance headphones. This design is capable of meeting the high-fidelity performance levels currently being popularized in cell phones and portable audio players.

  • TI Precision Designs: Verified DesignIncludes theory: component selection: TINA-TI simulation: PCB schematic & layout: bill of materials: and measured resultsMax Output Power: 55mW (32 ohms: THD+N: 0.00035%)
  • Professional audio mixer/control surface
  • Smartphone
  • Portable media player
  • Tablet (multimedia)
  • Augmented reality glasses
  • Professional audio amplifier (rack mount)
  • Non-military land mobile radio
  • Professional speaker systems
  • Professional video camera
  • Routing & transport systems for broadcast
  • Production switchers & mixers for broadcast
  • DJ controllers
  • mixers & other DJ equipment
  • Piano
  • keyboard & synthesizer
  • Digital stethoscope
Product Categories
  • Amplifiers


Part Number Name Companion Part
OPA1612 OPA1612 Buy Datasheet


Bill Of Materials

Download the bill of materials for TIPD177 Download


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Download the schematic for TIPD177

Design File

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Download the design file for TIPD177

Test Data

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Other Documents

Title Updated Type Size (KB)
TIPD177 Schematic (Rev. A) 12 Apr 2016 PDF 288
TIPD177 BOM (Rev. A) 12 Apr 2016 PDF 46