TIPD177 Reference Design

Texas Instruments

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

Description

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.

Features
  • 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%)
Applications
  • Professional audio mixer/control surface
  • Smartphone
  • Portable media players (radio and MP3)
  • Tablet (multimedia)
  • Professional audio amplifier (rack mount)
  • Non-military land mobile radio
  • Professional speaker systems
  • Professional video camera
  • Routing and transport systems for broadcast
  • Production switchers and mixers for broadcast
  • DJ controllers
  • mixers and other DJ equipment
  • Piano
  • keyboard and synthesizer
  • Digital stethoscope
Product Categories
  • Amplifiers

Parts

Part Number Name Companion Part
OPA1612 OPA1612 Buy Datasheet

Software

Bill Of Materials

Download the bill of materials for TIPD177 Download

Schematic

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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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Download the test file for TIPD177

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