參數(shù)資料
型號： PCM1792A
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(jìn)的部分，立體聲音頻數(shù)字模擬轉(zhuǎn)換器
文件頁數(shù)： 41/59頁
文件大?。?/td> 500K
代理商： PCM1792A
SLES105B FEBRUARY 2004 REVISED NOVEMBER 2006
www.ti.com
41
OS[1:0]: Delta-Sigma Modulator Oversampling Rate Selection
Default value: 00
OS[1:0]
00
01
10
11
Operation Speed Select
8 times WDCK (default)
4 times WDCK
16 times WDCK
Reserved
The effective oversampling rate is determined by the oversampling performed by both the external digital filter
and the delta-sigma modulator. For example, if the external digital filter is 8
×
oversampling, and the user selects
OS[1:0] = 00, then the delta-sigma modulator oversamples by 8
×
, resulting in an effective oversampling rate
of 64
×
. The 16
×
WDCK oversampling rate is not available above a 100-kHz sampling rate. If the oversampling
rate selected is 16
×
WDCK, the system clock frequency must be over 256 f
S
.
APPLICATION FOR DSD FORMAT (DSD MODE) INTERFACE
Bit Clock
DSD Decoder
DATA
5
6
7
BCK
SCK
ZEROL
1
2
3
4
ZEROR
MSEL
LRCK
PCM1792A
DATA_R
DATA_L
Figure 43. Connection Diagram in DSD Mode
Feature
This mode is used for interfacing directly to a DSD decoder, which is found in Super Audio CD (SACD)
applications.
The DSD mode is accessed by programming the following bit in the corresponding control register.
DSD = 1 (register 20)
The DSD mode provides a low-pass filtering function. The filtering is provided using an analog FIR filter
structure. Four FIR responses are available and are selected by the DMF[1:0] bits of control register 18.
The DSD bit must be set before inputting DSD data; otherwise, the PCM1792A erroneously detects the TDMCA
mode, and commands are not accepted through the serial control interface.
Super Audio CD is a trademark of Sony Kabushiki Kaisha TA Sony Corporation, Japan.
相關(guān)PDF資料
PDF描述
PCM1792ADBRG4 24-bit,192-khz sampling,advanced segment, audio stereo digital-to-analog converter
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCM1792ADB 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng AdvSegment Ster 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
PCM1792ADB 制造商:Texas Instruments 功能描述:D/A CONVERTER (D-A) IC
PCM1792ADBG4 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
PCM1792ADBR 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng AdvSegment Ster 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
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