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PCM2904DBR Datasheet(PDF) 1 Page - Burr-Brown (TI) |
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PCM2904DBR Datasheet(HTML) 1 Page - Burr-Brown (TI) |
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1 / 32 page  PCM2904 PCM2906 SLES042A − JUNE 2002 − REVISED JUNE 2004 STEREO AUDIO CODEC WITH USB INTERFACE, SINGLEENDED ANALOG INPUT/OUTPUT AND S/PDIF FEATURES D PCM2904: Without S/PDIF D PCM2906: With S/PDIF D On-Chip USB Interface: − With Full-Speed Transceivers − Fully Compliant With USB 1.1 Specification − Certified by USB-IF − Partially Programmable Descriptors(1) − USB Adaptive Mode for Playback − USB Asynchronous Mode for Record − Bus Powered D 16-Bit Delta-Sigma ADC and DAC D Sampling Rate: − DAC: 32, 44.1, 48 kHz − ADC: 8, 11.025, 16, 22.05, 32, 44.1, 48 kHz D On-Chip Clock Generator With Single 12-MHz Clock Source D Single Power Supply: 5 V Typical (VBUS) D Stereo ADC: − Analog Performance at VBUS = 5 V − THD+N = 0.01% − SNR = 89 dB − Dynamic Range = 89 dB − Decimation Digital Filter − Pass-Band Ripple = ±0.05 dB − Stop-Band Attenuation = –65 dB − Single-Ended Voltage Input − Antialiasing Filter Included − Digital LCF Included D Stereo DAC: − Analog Performance at VBUS = 5 V − THD+N = 0.005% − SNR = 96 dB − Dynamic Range = 93 dB − Oversampling Digital Filter − Pass-Band Ripple = ±0.1 dB − Stop-Band Attenuation = –43 dB − Single-Ended Voltage Output − Analog LPF Included D Multifunctions: − Human Interface Device (HID) Volume ± Control and Mute Control − Suspend Flag D Package: 28-Pin SSOP, Lead-Free Product APPLICATIONS D USB Audio Speaker D USB Headset D USB Monitor D USB Audio Interface Box DESCRIPTION The PCM2904/2906 is Texas Instruments single-chip USB stereo audio codec with USB-compliant full-speed protocol controller and S/PDIF (PCM2906 only). The USB protocol controller works with no software code, but the USB descriptors can be modified in some areas (for example, vendor ID/product ID). The PCM2904/2906 employs SpAct architecture, TI’s unique system that recovers the audio clock from USB packet data. On-chip analog PLLs with SpAct enable playback and record with low clock jitter and with independent playback and record sampling rates. 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. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. BurrBrown Products from Texas Instruments www.ti.com Copyright 2004, Texas Instruments Incorporated (1)The descriptor can be modified by changing a mask. SpAct is a trademark of Texas Instruments, Incorporated. Apple. Mac, and Mac OS are trademarks of Apple Computer, Inc. Intel is a trademark of Intel Corporation. Microsoft, Windows, Windows Me, and Windows XP are trademarks of Microsoft Corporation. Other trademarks are the property of their respective owners. |
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