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參數資料
| 型號： | PCM1738E |
| 英文描述： | 24-Bit, 192kHz Sampling, Advanced Segment, Audio-Stereo DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 24位192kHz采樣，高級分段，音頻立體聲數字模擬轉換器 |
| 文件頁數： | 27/33頁 |
| 文件大?。?/td> | 2274K |
| 代理商： | PCM1738E |
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PCM1738
SBAS174B
27
DSD MODE CONFIGURATION AND FUNCTION CONTROLS
Configuration for DSD Interface mode:
DFTH = 1 (Register 20)
DME = 1 (Register 18)
Table V shows the register mapping available in DSD Mode.
TABLE V. Register Mapping in DSD Mode.
REGISTER
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
16
17
18
19
20
21
W/R
W/R
W/R
W/R
W/R
R
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
DMF1
CLKD
RSV
RSV
DMF0
CLKE
RSV
RSV
DME
(1)
–
OS1
–
OPE
DFTH
(1)
RSV
RSV
RSV
SRST
RSV
MRST
RSV
OS0
–
NOTE: (1) This bit is required for selection of the external Digital Filter mode. (2) “–” = function disabled.
DMF[1:0]
Analog FIR Performance Selection
These bits are available for Read/Write.
Default Value: 00
DMF[1:0]
00
01
10
11
Analog FIR Performance Select
DSD Filter 1
DSD Filter 2
DSD Filter 3
DSD Filter 4
Plots for the four Analog FIR filter responses are shown in the Typical Performance Curves of this data sheet.
OS[1:0]
Analog FIR Operation Speed Select Selection
These bits are available for Read/Write.
Default Value: 00
OS[1:0]
00
01
10
11
Operation Speed Select
f
SCKI
(default)
Reserved
Reserved
f
SCKI
/2
The OS bit in the DSD mode is used to select the operating rate of analog FIR.
REQUIREMENTS FOR SYSTEM CLOCK
The bit clock (BCK) for DSD Mode is required at pin 7 of the PCM1738. The frequency of the bit clock may be N times of
the sampling frequency. Generally, N is 64 in DSD application.
The interface timing between the bit clock, DATAL, and DATAR is required to meet the same setup and hold time
specifications as shown for the PCM Audio format interface in Figure 5.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| PCM1738E | 制造商:Texas Instruments 功能描述:D/A CONVERTER (D-A) IC |
| PCM1738E/2K | 功能描述:音頻數/模轉換器 IC 24-Bit 192kHz Smplng Adv Stg Stereo DAC RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量: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 |
| PCM1738E/2KG4 | 功能描述:音頻數/模轉換器 IC 24-Bit 192kHz Smplng Adv Stg Stereo DAC RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量: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 |
| PCM1738E2K | 制造商:BB 制造商全稱:BB 功能描述:24-Bit, 192kHz Sampling, Advanced Segment, Audio-Stereo DIGITAL-TO-ANALOG CONVERTER |
| PCM1738EG4 | 功能描述:音頻數/模轉換器 IC 24-Bit 192kHz Smplng Adv Stg Stereo DAC RoHS:否 制造商:Texas Instruments 轉換器數量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數量: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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