參數(shù)資料
型號(hào): CDB4340A
廠商: Cirrus Logic, Inc.
英文描述: 24-Bit, 192 kHz Stereo DAC for Audio
中文描述: 24位192千赫立體聲DAC音頻
文件頁(yè)數(shù): 8/20頁(yè)
文件大小: 628K
代理商: CDB4340A
CS4340A
8
DS590PP2
3.5
The device includes on-chip digital de-emphasis. Figure 6 shows the de-emphasis curve for F
s
equal to
44.1 kHz. The frequency response of thede-emphasiscurve will scale proportionally with changes in sam-
ple rate, F
s
. Please see Table 6 for the desired de-emphasis control.
De-Emphasis
LRCK
SCLK
Left Channel
Right Channel
SDIN
+3 +2 +1
+5 +4
MSB
-1 -2
-3 -4
-5
+3 +2 +1
+5 +4
-1 -2 -3
-4
LSB
MSB
LSB
Figure 3. CS4340A Format 1 - Left Justified up to 24-Bit Data
LRCK
SCLK
Left Channel
SDIN
6
5
4
3
2
1
0
7
23 22 21 20 19 18
6
5
4
3
2
1
0
7
23 22 21 20 19 18
32 clocks
0
Right Channel
LRCK
SCLK
Left Channel
Right Channel
SDIN
6
5
4
3
2
1
0
9
8
7
15 14 13 12 11 10
6
5
4
3
2
1
0
9
8
7
15 14 13 12 11 10
32 clocks
Gain
dB
-10dB
0dB
Frequency
T2 = 15 μs
T1=50 μs
F1
F2
3.183 kHz
10.61 kHz
Figure 6. De-Emphasis Curve
Table 6. De-Emphasis Control
DEM
0
1
DESCRIPTION
Disabled
44.1 kHz
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