參數(shù)資料
型號: CS4382A-DQZ
廠商: Cirrus Logic Inc
文件頁數(shù): 18/50頁
文件大?。?/td> 0K
描述: IC DAC 8CH 114DB 192KHZ 48-LQFP
標準包裝: 250
位數(shù): 24
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 8
電壓電源: 模擬和數(shù)字
功率耗散(最大): 680mW
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-LQFP(7x7)
包裝: 托盤
輸出數(shù)目和類型: 16 電壓,單極
采樣率(每秒): 192k
配用: 598-1524-ND - BOARD EVAL FOR CS4382A DAC
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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