参数资料
型号: CDB4382A
厂商: Cirrus Logic Inc
文件页数: 18/50页
文件大小: 0K
描述: BOARD EVAL FOR CS4382A DAC
标准包装: 1
DAC 的数量: 8
位数: 24
采样率(每秒): 192k
数据接口: 串行
DAC 型: 电压
工作温度: -40°C ~ 85°C
已供物品:
已用 IC / 零件: CS4382A
产品目录页面: 757 (CN2011-ZH PDF)
相关产品: CS4382A-DQZR-ND - IC DAC 8CH 114DB 192KHZ 48-LQFP
CS4382A-DQZ-ND - IC DAC 8CH 114DB 192KHZ 48-LQFP
CS4382A-CQZR-ND - IC DAC 8CH 114DB 192KHZ 48-LQFP
598-1061-ND - IC DAC 8CH 114DB 192KHZ 48LQFP
其它名称: 598-1524
DS618F2
25
CS4382A
In Software Mode, the required de-emphasis filter coefficients for 32 kHz, 44.1 kHz, or 48 kHz are selected
via the de-emphasis control bits.
In Hardware Mode, only the 44.1 kHz coefficient is available (enabled through the M2 pin). If the input sam-
ple rate is not 44.1 kHz and de-emphasis has been selected, the corner frequencies of the de-emphasis
filter will be scaled by a factor of the actual Fs over 44,100.
4.7
ATAPI Specification
The CS4382A implements the channel mixing functions of the ATAPI CD-ROM specification. The
ATAPI functions are applied per A-B pair. Refer to Table 8 on page 41 and Figure 14 for additional informa-
tion.
Gain
dB
-10dB
0dB
Frequency
T2 = 15 s
T1=50 s
F1
F2
3.183 kHz
10.61 kHz
Figure 13. De-Emphasis Curve
ΣΣ
A Channel
Volume
Control
Aout Ax
AoutBx
Left Channel
Audio Data
Right Channel
Audio Data
BChannel
Volume
Control
MUTE
SDINx
Figure 14. ATAPI Block Diagram (x = channel pair 1, 2, 3, or 4)
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