參數(shù)資料
型號(hào): CDB4382A
廠商: Cirrus Logic, Inc.
英文描述: 114 dB, 192 kHz 8-channel D/A Converter
中文描述: 114分貝192千赫8通道D / A轉(zhuǎn)換
文件頁(yè)數(shù): 24/47頁(yè)
文件大?。?/td> 685K
代理商: CDB4382A
24
DS618PP1
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 then the corner frequencies of the de-emphasis
filter will be scaled by a factor of the actual Fs over 44,100.
3.7
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 7 on page 38 and Figure 14 for additional informa-
tion.
Gain
dB
-10dB
0dB
Frequency
T2 = 15 μs
T1=50 μs
F1
F2
3.183 kHz
10.61 kHz
Figure 13. De-Emphasis Curve
Σ
Σ
A Channel
Volume
Control
AoutAx
AoutBx
Left Chan
nel
Audio D
ata
Right Chan
nel
Audio D
ata
B Channel
Volume
Control
MUTE
MUTE
SDINx
Figure 14. ATAPI Block Diagram (x = channel pair 1, 2, 3, or 4)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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