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PCM2903

不推薦在新設計中採用

具有線路輸出和 S/PDIF I/O 的、自加電的立體聲 USB1.1 轉碼器 (HID 介面)

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產品規格表
勘誤表
PCM2903 不建議用於新設計
此產品將繼續向現有客戶提供。新設計應考量替代產品。
open-in-new 比較替代產品
功能相同，但引腳輸出與所比較的裝置不同
PCM2903C 現行 具有線路輸出和 S/PDIF I/O 的、自加電的立體聲 USB1.1 轉碼器 (HID 介面) Fully compliant with USB 2.0 specification

PCM2903

不推薦在新設計中採用
產品規格表 立即訂購

產品詳細資料

Number of ADC channels 2 Number of DAC channels 2 Analog inputs 2 Sampling rate (max) (kHz) 48 Control interface HID Features S/PDIF I/O Analog outputs 2 Rating Catalog Operating temperature range (°C) 0 to 70
Number of ADC channels 2 Number of DAC channels 2 Analog inputs 2 Sampling rate (max) (kHz) 48 Control interface HID Features S/PDIF I/O Analog outputs 2 Rating Catalog Operating temperature range (°C) 0 to 70
SSOP (DB) 28 79.56 mm² 10.2 x 7.8
  • PCM2901: Without S/PDIF
  • PCM2903: With S/PDIF
  • 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
  • 16-Bit Delta-Sigma ADC and DAC
  • Sampling Rates
    • DAC: 32, 44.1, 48 kHz
    • ADC: 8, 11.025, 16, 22.05, 32, 44.1, 48 kHz
  • On-Chip Clock Generator With Single 12-MHz Clock Source
  • Single Power Supply: 3.3 V Typical
  • 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
  • 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
  • Multifunctions
    • Human Interface Device (HID) Volume ± Control and Mute Control
    • Suspend Flag
  • Package: 28-Pin SSOP
  • APPLICATIONS
    • USB Audio Speaker
    • USB Headset
    • USB Monitor
    • USB Audio Interface Box

(1) The descriptor can be modified by changing a mask.
SpAct is a trademark of Texas Instruments.
System Two, Audio Precision are trademarks of Audio Precision, Inc.
All other trademarks are the property of their respective owners.
  • PCM2901: Without S/PDIF
  • PCM2903: With S/PDIF
  • 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
  • 16-Bit Delta-Sigma ADC and DAC
  • Sampling Rates
    • DAC: 32, 44.1, 48 kHz
    • ADC: 8, 11.025, 16, 22.05, 32, 44.1, 48 kHz
  • On-Chip Clock Generator With Single 12-MHz Clock Source
  • Single Power Supply: 3.3 V Typical
  • 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
  • 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
  • Multifunctions
    • Human Interface Device (HID) Volume ± Control and Mute Control
    • Suspend Flag
  • Package: 28-Pin SSOP
  • APPLICATIONS
    • USB Audio Speaker
    • USB Headset
    • USB Monitor
    • USB Audio Interface Box

(1) The descriptor can be modified by changing a mask.
SpAct is a trademark of Texas Instruments.
System Two, Audio Precision are trademarks of Audio Precision, Inc.
All other trademarks are the property of their respective owners.

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.

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.
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技術文件

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類型 標題 日期
* Errata PCM290x Errata (Rev. A) 2008年 5月 30日
* Data sheet Stereo Audio CODEC w/USB Interface, Single-Ended Analog Input/Output & S/PDIF datasheet (Rev. C) 2007年 11月 19日
* Errata Updated Operating Environments for PCM270x, PCM290x Applications 2007年 10月 19日

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