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參數(shù)資料
| 型號： | PCM1792ADBR |
| 英文描述： | 24-bit,192-khz sampling,advanced segment, audio stereo digital-to-analog converter |
| 中文描述： | 24位,192 - kHz的采樣，先進的部分，立體聲音頻數(shù)字模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 50/59頁 |
| 文件大?。?/td> | 500K |
| 代理商： | PCM1792ADBR |
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SLES105B FEBRUARY 2004 REVISED NOVEMBER 2006
www.ti.com
50
LRCK
BCK
DI
CMD
Don’t
Care
Ch1
CMD
CMD
Ch2
Ch3
Ch1
Ch4
IN and OUT Channel Orders are Completely Independent
DO
7 Packets
×
32 Bits
Ch5
Ch6
1/fS (256 PBCK Clocks)
Ch2
Figure 59. TDMCA Frame Example of 6-Ch DAC and 2-Ch ADC With Command Read
Command Field
The normal command field is defined as follows. When the DID bit (MSB) is 1, this frame is used only for device
ID determination, and all remaining bits in the field are ignored.
31
30
29
28 24
23
22 16
15 8
7 0
command
DID
EMD
DCS
device ID
R/W
register ID
data
not used
Bit 31: Device ID enable flag
The PCM1792A operates to get its own device ID for TDMCA initialization if this bit is HIGH.
Bit 30: Extended command enable flag
The EMD packet will be transferred if this bit is HIGH, otherwise skipped. Once this bit is HIGH, this frame does
not contain any audio data. This is for system initialization.
Bit 29: Daisy-chain selection flag
HIGH designates OUT-chain devices, LOW designates IN-chain devices. The PCM1792A is an IN device, so
the DCS bit must be set to LOW.
Bits[28:24]: Device ID. It is 5 bits length, and it can be defined.
These bits identify the order of a device in the IN or OUT daisy chain. The top of the daisy chain defines device
ID 1 and successive devices are numbered 2, 3, 4, etc. All devices for which the DCI is fixed HIGH are also
defined as ID 1. The maximum device ID is 30 each in the IN and OUT chains. If a device ID of 0x1F is used,
all devices are selected as broadcast when in the write mode. If a device ID of 0x00 is used, no device is
selected.
Bit 23: Command Read/Write flag
If this bit is HIGH, the command is a read operation.
Bits[22:16]: Register ID
It is 7 bits in length.
Bits[15:8]: Command data
It is 8 bits in length. Any valid data can be chosen for each register.
Bits[7:0]: Not used
These bits are never transported when a read operation is performed.
Extended command field
The extended command field is the same as the command field, except that it does not have a DID flag.
31
30
29
28 24
23
22 16
15 8
7 0
extended command
rsvd
EMD
DCS
device ID
R/W
register ID
data
not used
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| PCM1794ADB | 24-bit,192-khz sampling,advanced segment, audio stereo digital-to-analog converter |
| PCM1794ADBR | 24-bit,192-khz sampling,advanced segment, audio stereo digital-to-analog converter |
| PCM1794A | 24-bit,192-khz sampling,advanced segment, audio stereo digital-to-analog converter |
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| PCM1794ADBG4 | 24-bit,192-khz sampling,advanced segment, audio stereo digital-to-analog converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCM1792ADBRG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24B 192kHz Sampling Adv Seg Aud St DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1792DB | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng Adv Stg Stereo DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1792DB | 制造商:Texas Instruments 功能描述:24BIT AUDIO DAC SMD 1792 SSOP28 |
| PCM1792DBG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng Adv Stg Stereo DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1792DBR | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng Adv Stg Stereo DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
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