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PCM2707PJTR Datasheet(PDF) 1 Page - Texas Instruments |
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PCM2707PJTR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 39 page Burr-BrownAudio 1 FEATURES APPLICATIONS DESCRIPTION PCM2704 ,, PCM2705 PCM2706, PCM2707 www.ti.com....................................................................................................................................................... SLES081F – JUNE 2003 – REVISED JANUARY 2009 STEREO AUDIO DAC WITH USB INTERFACE, SINGLE-ENDED HEADPHONE OUTPUT AND S/PDIF OUTPUT – External ROM Interface (PCM2704/6) 2345 • On-Chip USB Interface: – Serial Programming Interface (PCM2705/7) – No Need of Dedicated Device Driver – I2S Interface (Selectable on PCM2706/7) – With Full-Speed Transceivers • Package: – Fully Compliant With USB 1.1 Specification – 28-Pin SSOP (PCM2704/5) – Certified by USB-IF – 32-Pin TQFP (PCM2706/7) – Partially Programmable Descriptors – Adaptive Isochronous Transfer for • USB Headphones Playback • USB Audio Speaker – Bus-Powered or Self-Powered Operation • USB CRT/LCD Monitor • Sampling Rate: 32, 44.1, 48 kHz • USB Audio Interface Box • On-Chip Clock Generator With Single 12-MHz • USB-Featured Consumer Audio Product Clock Source • Single Power Supply: – Bus-Powered: 5 V, Typical (VBUS) The PCM2704/5/6/7 is TI's single-chip USB stereo – Self-Powered: 3.3 V, Typical audio DAC with USB-compliant full-speed protocol • 16-Bit Delta-Sigma Stereo DAC controller and S/PDIF. The USB-protocol controller works with no software code, but USB descriptors – Analog Performance at 5 V (Bus-Powered), can be modified in some parts (for example, vendor 3.3 V (Self-Powered): ID/product ID) through the use of an external ROM – THD+N: 0.006% RL > 10 kΩ, (PCM2704/6), SPI (PCM2705/7), or on request. (1) Self-Powered The PCM2704/5/6/7 employs SpAct™ architecture, TI's unique system that recovers the audio clock from – THD+N: 0.025% RL = 32 Ω USB packet data. On-chip analog PLLs with SpAct – SNR = 98 dB enable playback with low clock jitter. – Dynamic Range: 98 dB – PO = 12 mW, RL = 32 Ω – Oversampling Digital Filter – Pass-Band 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 (Depending on Model and (1) The modification of the USB descriptor through external ROM Settings) or SPI must comply with USB-IF guidelines, and the vendor ID must be your own ID as assigned by the USB-IF. The – Suspend Flag descriptor also can be modified by changing a mask; contact – S/PDIF Out With SCMS your representative for details. 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 I2S is a trademark of NXP Semiconductors. 5 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2003–2009, 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. PCM2704 and PCM2705 Not Recommended For New Designs |
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