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參數資料
| 型號： | PCM2906DB |
| 元件分類： | Codec |
| 英文描述： | STEREO AUDIO CODEC WITH USB INTERFACE SINGLE ENEDE ANALOG INPUT/OUTPUT AND S/PDIF |
| 中文描述： | 立體聲音頻編解碼器帶USB接口的單ENEDE模擬輸入/輸出和S / PDIF |
| 文件頁數： | 21/32頁 |
| 文件大?。?/td> | 299K |
| 代理商： | PCM2906DB |
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SLES042A JUNE 2002 REVISED JUNE 2004
www.ti.com
21
Interface #0
Interface #0 is the control interface. Alternative setting #0 is the only possible setting for interface #0. Alternative
setting #0 describes the standard audio control interface. The audio control interface is constructed by a
terminal. The PCM2904/2906 has the following five terminals.
Input terminal (IT #1) for isochronous-out stream
Output terminal (OT #2) for audio analog output
Feature unit (FU #3) for DAC digital attenuator
Input terminal (IT #4) for audio analog input
Output terminal (OT #5) for isochronous-in stream
Input terminal #1 is defined as a
USB stream
(terminal type 0x0101). Input terminal #1 can accept 2-channel
audio streams consisting of left and right channels. Output terminal #2 is defined as a
speaker
(terminal type
0x0301). Input terminal #4 is defined as a
microphone
(terminal type 0x0201). Output terminal #5 is defined
as a
USB stream
(terminal type 0x0101). Output terminal #5 can generate 2-channel audio streams consisting
of left and right channels. Feature unit #3 supports the following sound control features.
Volume control
Mute control
The built-in digital volume controller can be manipulated by an audio-class-specific request from 0.0 dB to
–64 dB in steps of 1 dB. Each channel can be set for different values. The master volume control is not
supported. A request to the master volume is stalled and ignored. The built-in digital mute controller can be
manipulated by audio-class-specific request. A master mute control request is acceptable. A request to an
individual channel is stalled and ignored.
Interface #1
Interface #1 is the audio streaming data-out interface. Interface #1 has the following seven alternative settings.
Alternative setting #0 is the zero-bandwidth setting. All other alternative settings are operational settings.
ALTERNATIVE
SETTING
DATA FORMAT
TRANSFER
MODE
SAMPLING RATE
(kHz)
00
Zero bandwidth
01
16 bit
Stereo
2s complement (PCM)
Adaptive
32, 44.1, 48
02
16 bit
Mono
2s complement (PCM)
Adaptive
32, 44.1, 48
03
8 bit
Stereo
2s complement (PCM)
Adaptive
32, 44.1, 48
04
8 bit
Mono
2s complement (PCM)
Adaptive
32, 44.1, 48
05
8 bit
Stereo
Offset binary (PCM8)
Adaptive
32, 44.1, 48
06
8 bit
Mono
Offset binary (PCM8)
Adaptive
32, 44.1, 48
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相關代理商/技術參數 |
參數描述 |
|---|---|
| PCM2906DBG4 | 功能描述:接口—CODEC Ster Codec w/USB Ifc Snglend I/O & SPDI/F RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| PCM2906DBR | 功能描述:接口—CODEC Ster Codec w/USB Ifc Snglend I/O & SPDI/F RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| PCM2906DBRG4 | 功能描述:接口—CODEC Ster Codec w/USB Ifc Snglend I/O & SPDI/F RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| PCM2912 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:AUDIO CODEC WITH USB INTERFACE, MONO MICROPHONE INPUT AND STEREO HEADPHONE OUTPUT |
| PCM2912A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:AUDIO CODEC WITH USB INTERFACE, MONO MICROPHONE INPUT AND STEREO HEADPHONE OUTPUT |
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