24-bit Sigma Delta Stereo Audio Ulter low area silicon provenin 28nm DAC

Overview

Complete low-cost stereo digital to analog converter for audio applications. The DAC comprises of digital interpolating filters, a third order single loop multibit sigma delta DAC, followed by a continuous time reconstruction filter. The device is fabricated on TSMC 28nm process where high precision analog circuits are combined with high-density logic circuits

Key Features

  • • 24-bit stereo audio DAC
  • • Audio interface is serial I2s
  • • I2S digital audio interface
  • • Soft power up/down mode
  • • Ultra-low area
  • • Linear phase digital filtering
  • • Zero phase error between channels
  • • Low clock jitter sensitivity
  • • Analog filter: continuous time

Applications

  • • Portable audio players
  • • Multimedia phones
  • • Digital cameras

Technical Specifications

Foundry, Node
TSMC 28nm
Maturity
Silicon proven
Availability
immediate
×
Semiconductor IP