PCM2705 - Texas Instruments

PCM2705 STEREO AUDIO DAC

The PCM2704/5/6/7 is TI's single-chip USB stereo audio DAC with USB-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 parts (for example, vendor ID/product ID) through the use of an external ROM (PCM2704/6), SPI (PCM2705/7), or on request. (1) The PCM2704/.

Features

1
•2345 On-Chip USB Interface:
  – No Need of Dedicated Device Driver
  – With Full-Speed Transceivers
  – Fully Compliant With USB 1.1 Specification
  – Certified by USB-IF
  – Partially Programmable Descriptors
  – Adaptive Isochronous Transfer for Playback
  – Bus-Powered or Self-Powered Operation
• Sampling Rate: 32, 44.1, 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 V (Self-Powered):
  – THD+N: 0.006% RL > 10 kΩ, Self-P.