PCM2705C

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Burr-Brown Audio PCM2704C, PCM2705C, PCM2706C, PCM2707C SBFS036B – MAY 2015 – REVISED AUGUST 2015 PCM270xC Stereo Audio DAC With USB Interface, Single-Ended Headphone Output and S/PDIF Output 1 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 V (Self-Powered): – THD + N: 0.006% RL > 10 kΩ, Self- Powered – THD + N: 0.025% RL = 32 Ω – SNR = 98 dB – Dynamic Range: 98 dB – PO = 12 mW, RL = 32 Ω – Oversampling Digital Filter – Passband Ripple = ±0.04 dB – Stop-Band Attenuation = –50 dB – Single-Ended Voltage Output – Analog LPF Included Multiple Functions: – Up to Eight Human Interface Device (HID) Interfaces (Model and Setting Dependent) – Suspend Flag – S/PDIF Out With SCMS – External ROM Interface (PCM2704C/6C) – Serial Programming Interface (PCM2705C/7C) – I2S Interface (Selectable on PCM2706C/7C) 2 Applications USB Headphones ...