驅動程式或資料庫
PCM2903
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)
產品規格表
PCM2903
- 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
- Analog Performance at VCCC = VCCP1 = VCCP2 = VCCX = VDD = 3.3 V
- 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
- Analog Performance at VCCC = VCCP1 = VCCP2 = VCCX = VDD = 3.3 V
- 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.
技術文件
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檢視所有 7 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | 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 | PCM290x Errata (Rev. A) | 2008年 5月 30日 | |
| * | Errata | Updated Operating Environments for PCM270x, PCM290x Applications | 2007年 10月 19日 | |
| User guide | PCM2903EVM-U User's Guide | 2011年 11月 29日 | ||
| Application note | Key Differences Between the PCM290x and PCM290xC | 2011年 9月 14日 | ||
| More literature | PCM2903B Read-Me First Letter: PCM2903B and PCM2903 Difference | 2009年 1月 24日 | ||
| User guide | USB Audio Filter Driver Installation | 2008年 12月 19日 |
設計與開發
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模擬工具
PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
| 封裝 | 引腳 | 下載 |
|---|---|---|
| SSOP (DB) | 28 | 檢視選項 |
訂購與品質
內含資訊：
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 資格摘要
- 進行中可靠性監測
內含資訊：
- 晶圓廠位置
- 組裝地點