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PCM2704CDB Datasheet(PDF) 1 Page - Texas Instruments |
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PCM2704CDB Datasheet(HTML) 1 Page - Texas Instruments |
1 / 40 page Burr-BrownAudio PCM2704C, PCM2705C PCM2706C, PCM2707C www.ti.com SBFS036A – AUGUST 2011 – REVISED JULY 2012 Stereo Audio DAC with USB Interface, Single-Ended Headphone Output and S/PDIF Output Check for Samples: PCM2704C, PCM2705C, PCM2706C, PCM2707C 1 FEATURES 23456 • On-Chip USB Interface: – Up to Eight Human Interface Device (HID) Interfaces (Model and Setting Dependent) – No Dedicated Device Driver Needed – Suspend Flag – Full-Speed Transceivers – S/PDIF Out with SCMS – Fully Compliant with USB 2.0 Specification – External ROM Interface (PCM2704C/6C) – USB 1.1 Descriptors with USB Audio Class Support – Serial Programming Interface (PCM2705C/7C) – Certified by USB-IF – I2S™ Interface (Selectable on – Partially Programmable Descriptors PCM2706C/7C) – Adaptive Isochronous Transfer for • Packages: Playback – 28-Pin SSOP (PCM2704C/5C) – Bus-Powered or Self-Powered Operation – 32-Pin TQFP (PCM2706C/7C) • Sampling Rates: 32 kHz, 44.1 kHz, 48 kHz • On-Chip Clock Generator with Single 12-MHz APPLICATIONS Clock Source • USB Headphones • Single Power Supply: • USB Audio Speaker – Bus-Powered: 5 V, Typical (VBUS) • USB CRT/LCD Monitor – Self-Powered: 3.3 V, Typical • USB Audio Interface Box • 16-Bit Delta-Sigma Stereo DAC • USB-Featured Consumer Audio Product – Analog Performance at 5 V (Bus-Powered), 3.3 V (Self-Powered): DESCRIPTION – THD+N: 0.006% RL > 10 kΩ, Self- The PCM2704C/5C/6C/7C are TI's single-chip USB Powered stereo audio digital-to-analog converters (DACs) with – THD+N: 0.025% RL = 32 Ω USB 2.0 compliant full-speed protocol controller and – SNR = 98 dB S/PDIF. The USB-protocol controller works with no software code, but USB descriptors can be modified – Dynamic Range: 98 dB in some areas (for example, vendor ID/product ID) – PO = 12 mW, RL = 32 Ω through the use of an external ROM (PCM2704C/6C) – Oversampling Digital Filter or serial peripheral interface (SPI) (PCM2705C/7C). The PCM2704C/5C/6C/7C also employ SpAct™ – Passband Ripple = ±0.04 dB architecture, TI's unique system that recovers the – Stop-Band Attenuation = –50 dB audio clock from USB packet data. On-chip analog – Single-Ended Voltage Output phase-locked loops (PLLs) with SpAct enable playback with low clock jitter. – Analog LPF Included • Multiple Functions: 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 SpAct is a trademark of Texas Instruments. 3 System Two, Audio Precision are trademarks of Audio Precision, Inc. 4 SPI is a trademark of Motorola, Inc. 5 I2S, I2C are trademarks of NXP Semiconductors. 6 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2011–2012, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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