Datasheet 搜索 > 编解码器 > TI（德州仪器） > PCM2903CDB 数据手册 > PCM2903CDB 其他数据使用手册 1/31 页
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PCM2903CDB 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
编解码器
封装:
SSOP-28
描述:
TEXAS INSTRUMENTS PCM2903CDB 音频编解码器, USB接口, 立体声, 2, 2, -25 °C, 85 °C, 48 kSPS
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PCM2903CDB数据手册
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Burr-BrownAudio
PCM2903C
www.ti.com
SBFS038 –JUNE 2012
Stereo Audio Codec with USB Interface,
Single-Ended Analog Input/Output, and S/PDIF
Check for Samples: PCM2903C
1
FEATURES
• Stereo DAC:
– Analog Performance at V
CCC
= V
CCP1
= V
CCP2
234
• On-Chip USB Interface:
= V
CCX
= V
DD
= 3.3 V:
– With Full-Speed Transceivers
– THD+N = 0.005%
– Fully Compliant with USB 2.0 Specification
– SNR = 96 dB
– Certified by USB-IF
– Dynamic Range = 93 dB
– USB Adaptive Mode for Playback
– Oversampling Digital Filter:
– USB Asynchronous Mode for Record
– Passband Ripple = ±0.1 dB
– Self-Powered
– Stop-Band Attenuation = –43 dB
• 16-Bit Delta-Sigma ADC and DAC
– Single-Ended Voltage Output
• Sampling Rates:
– Analog LPF Included
– DAC: 32, 44.1, 48 kHz
• Multifunctions:
– ADC: 8, 11.025, 16, 22.05, 32, 44.1, 48 kHz
– Human Interface Device (HID) Function:
• On-Chip Clock Generator With Single 12-MHz
– Volume and and Mute Controls
Clock Source
– Suspend Flag Function
• S/PDIF Input/Output
• 28-Pin SSOP Package
• Single Power Supply:
– 3.3 V Typical
APPLICATIONS
• Stereo ADC:
• USB Audio Speaker
– Analog Performance at V
CCC
= V
CCP1
= V
CCP2
• USB Headset
= V
CCX
= V
DD
= 3.3 V:
• USB Monitor
– THD+N = 0.01%
• USB Audio Interface Box
– SNR = 89 dB
– Dynamic Range = 89 dB
DESCRIPTION
– Decimation Digital Filter:
The PCM2903C is Texas Instruments' single-chip,
– Passband Ripple = ±0.05 dB
USB, stereo audio codec with a USB-compliant full-
speed protocol controller and S/PDIF. The USB
– Stop-Band Attenuation = –65 dB
protocol controller requires no software code. The
– Single-Ended Voltage Input
PCM2903C employs SpAct™ architecture, TI's
– Antialiasing Filter Included
unique system that recovers the audio clock from
– Digital HPF Included
USB packet data. On-chip analog PLLs with SpAct
enable playback and record with low clock jitter, as
well as independent playback and record sampling
rates.
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.
2SpAct is a trademark of Texas Instruments.
3System Two, Audio Precision are trademarks of Audio Precision, Inc.
4All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 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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