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PCM2901 Datasheet(Fiches technique) 1 Page - Texas Instruments

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Numéro de pièce PCM2901
Description  STEREO AUDIO CODEC WITH USB INTERFACE SINGLE ENDED ANALOG INPUT/OUTPUT AND S/P DIF
Télécharger  33 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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PCM2901 Datasheet(HTML) 1 Page - Texas Instruments

 
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PCM2901
PCM2903
SLES034B − MARCH 2002 − REVISED JUNE 2004
STEREO AUDIO CODEC WITH USB INTERFACE,
SINGLEENDED ANALOG INPUT/OUTPUT AND S/PDIF
FEATURES
D PCM2901: Without S/PDIF
D PCM2903: 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
− Self-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: 3.3 V TYP
D Stereo ADC
− Analog Performance at VCCC = VCCP1 =
VCCP2 = VCCX = VDD = 3.3 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 VCCC = VCCP1 =
VCCP2 = VCCX = VDD = 3.3 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 PCM2901/2903 is TI’s single-chip USB stereo
audio codec with USB-compliant full-speed protocol
controller and S/PDIF (only PCM2903). 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 PCM2901/2903
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.
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.
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.
Other trademarks are the property of their respective owners.


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