参数资料
型号: CDB4398
厂商: Cirrus Logic Inc
文件页数: 24/46页
文件大小: 0K
描述: BOARD EVAL FOR CS4398 DAC
标准包装: 1
DAC 的数量: 2
位数: 24
采样率(每秒): 192k
数据接口: I²C,SPI?
DAC 型: 电压
工作温度: -10°C ~ 70°C
已供物品: 板,线缆
已用 IC / 零件: CS4398
产品目录页面: 757 (CN2011-ZH PDF)
相关产品: 598-1067-5-ND - IC DAC 120DB 192KHZ W/VC 28TSSOP
其它名称: 598-1155
30
DS568F1
CS4398
DSD Mode: The relationship between the oversampling ratio of the DSD audio data and the required
Master Clock to DSD data rate is defined by the Digital Interface Format pins.
7.2.3
De-emphasis Control (DEM1:0) BITs 3-2.
Default = 0
00 - No De-emphasis
01 - 44.1 kHz De-emphasis
10 - 48 kHz De-emphasis
11 - 32 kHz De-emphasis
Function:
Selects the appropriate digital filter to maintain the stan-
dard 15
s/50 s digital de-emphasis filter response at 32,
44.1 or 48 kHz sample rates. (see Figure 17)
Notes: De-emphasis is only available in Single-Speed
Mode.
7.2.4
Functional Mode (FM1:0) BITs 1-0
Default = 00
00 - Single-Speed Mode (30 to 50 kHz sample rates)
01 - Double-Speed Mode (50 to 100 kHz sample rates)
10 - Quad-Speed Mode (100 to 200 kHz sample rates)
11 - Direct Stream Digital Mode
Function:
Selects the required range of input sample rates or DSD Mode.
7.3
Volume Mixing and Inversion Control - Register 03h
DIF2
DIF1
DIF0
Description
0
64x oversampled DSD data with a 4x MCLK to DSD data rate (Default)
0
1
64x oversampled DSD data with a 6x MCLK to DSD data rate
0
1
0
64x oversampled DSD data with a 8x MCLK to DSD data rate
0
1
64x oversampled DSD data with a 12x MCLK to DSD data rate
1
0
128x oversampled DSD data with a 2x MCLK to DSD data rate
1
0
1
128x oversampled DSD data with a 3x MCLK to DSD data rate
1
0
128x oversampled DSD data with a 4x MCLK to DSD data rate
1
128x oversampled DSD data with a 6x MCLK to DSD data rate
Table 6. Digital Interface Formats - DSD Mode
76
543
21
0
VOLB=A
INVERT A
INVERT B
ATAPI4
ATAPI3
ATAPI2
ATAPI1
ATAPI0
00
10
0
1
Gain
dB
-10dB
0dB
Frequency
T2 = 15 s
T1=50 s
F1
F2
3.183 kHz
10.61 kHz
Figure 17. De-Emphasis Curve
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