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PCM2900 Datasheet(Fiches technique) 1 Page - Texas Instruments

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Numéro de pièce PCM2900
Description  STEREO AUDIO CODEC WITH USB INTERFACE, SINGLE ENDED ANALOG INPUT/OUTPUT AND S/PDIF
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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PCM2900
PCM2902
SLES035B − MARCH 2002 − REVISED JUNE 2004
STEREO AUDIO CODEC WITH USB INTERFACE,
SINGLEENDED ANALOG INPUT/OUTPUT AND S/PDIF
FEATURES
D PCM2900: Without S/PDIF
D PCM2902: 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 TYP (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
APPLICATIONS
D USB Audio Speaker
D USB Headset
D USB Monitor
D USB Audio Interface Box
DESCRIPTION
The PCM2900/2902 is Texas Instruments single-chip
USB stereo audio codec with USB-compliant full-speed
protocol controller and S/PDIF (only PCM2902). The
USB protocol controller works with no software code,
but the USB descriptors can be modified in some areas
(e.g., vendor ID/product ID). The PCM2900/2902
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.
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
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.
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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