參數(shù)資料
型號： PCM1796DBR
元件分類： DAC
英文描述： 24BIT 192 KHZ SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER
中文描述： 24位192千赫采樣高級分段音頻立體聲數(shù)模轉(zhuǎn)換器
文件頁數(shù)： 40/57頁
文件大?。?/td> 512K
代理商： PCM1796DBR
SLES100 DECEMBER 2003
www.ti.com
40
FUNCTIONS AVAILABLE IN THE EXTERNAL DIGITAL FILTER MODE
The external digital filter mode is selected by setting DSD = 0 (register 20, B5) and DFTH = 1 (register 20. B4).
The external digital filter mode allows access to the majority of the PCM1796 mode control functions.
The following table shows the register mapping available when the external digital filter mode is selected, along with
descriptions of functions which are modified when using this mode selection.
B15
R/W
B14
0
B13
0
B12
1
B11
0
B10
0
B9
0
B8
0
B7
B6
B5
B4
B3
B2
B1
B0
Register 16
Register 17
Register 18
R/W
0
0
1
0
0
0
1
R/W
0
0
1
0
0
1
0
FMT2
FMT1
FMT0
Register 19
Register 20
R/W
0
0
1
0
0
1
1
REV
OPE
DFMS
INZD
R/W
0
0
1
0
1
0
0
SRST
0
1
MONO
CHSL
OS1
OS0
Register 21
Register 22
NOTE: : Function is disabled. No operation even if data bit is set
R/W
0
0
1
0
1
0
1
PCMZ
R
0
0
1
0
1
1
0
ZFGR
ZFGL
FMT[2:0]: Audio Data Format Selection
Default value: 000
FMT[2:0]
000
001
010
Other
Audio Data Format Select
16-bit right-justified format (default)
20-bit right-justified format
24-bit right-justified format
N/A
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
.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCM1796DBRG4 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24 bit 192kHz Stereo Audio 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
PCM1798 制造商:TI 制造商全稱:Texas Instruments 功能描述:24-BIT, 192-KHZ SAMPLING ADVANCED SEGMENT, AUDIO STEREO DIGITAL TO ANALOG CONVERTER
PCM1798DB 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC PCM1798 24-Bit 192kHz Audio 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
PCM1798DB 制造商:Texas Instruments 功能描述:D/A CONVERTER (D-A) IC
PCM1798DBG4 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC PCM1798 24-Bit 192kHz Audio 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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