PCM2706C - Texas Instruments

PCM2706C Stereo Audio DAC

The PCM270xC are TI's single-chip USB stereo audio digital-to-analog converters (DACs) with USB 2.0 compliant full-speed protocol controller and S/PDIF. The USB-protocol controller works with no software code, but USB descriptors can be modified in some areas (for example, vendor ID/product ID) through the use of an external ROM (PCM2704C and PCM2706C) or se.

Features

•1 On-Chip USB Interface:
  – No Dedicated Device Driver Needed
  – Full-Speed Transceivers
  – Fully Compliant With USB 2.0 Specification
  – USB 1.1 Descriptors With USB Audio Class Support
  – Certified by USB-IF
  – Partially Programmable Descriptors
  – Adaptive Isochronous Transfer for Playback
  – Bus-Powered or Self-Powered Operation
• Sampling Rates: 32 kHz, 44.1 kHz, and 48 kHz
• On-Chip Clock Generator With Single 12-MHz Clock Source
• Single Power Supply:
  – Bus-Powered: 5 V, Typical (VBUS)
  – Self-Powered: 3.3 V, Typical
• 16-Bit Delta-Sigma Stereo DAC
  – Analog Performance at 5 V (Bus-Powered), 3.3.