參數(shù)資料
型號: AK4364
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 96kHz 24BIT DAC WITH PLL AND DIT
中文描述: 96kHz的24位DAC,帶有鎖相環(huán)和DIT
文件頁數(shù): 15/34頁
文件大?。?/td> 265K
代理商: AK4364
ASAHI KASEI
[AK4364]
MS0014-E-01
2000/07
- 15 -
DFS1-0
“00”
(Normal speed)
256fs
256fs
384fs
384fs
512fs
512fs
768fs
768fs
CKS2
CKS1
CKS0
“11”
(Half speed)
512fs
256fs
768fs
384fs
1024fs
512fs
1536fs
768fs
“01”
(Double speed)
128fs
256fs
192fs
384fs
256fs
N/A
384fs
N/A
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
default (DFS1-0 = “00”)
Table 2. System Clock (DFS1-0 = “10”: reserved)
fs [kHz]
16
32
64
22.05
44.1
88.2
24
48
96
Mode
Half
Normal
Double
Half
Normal
Double
Half
Normal
Double
128fs
-
-
8.1920
-
-
11.2896
-
-
12.2880
192fs
-
-
12.2880
-
-
16.9344
-
-
18.4320
Table 3. Example of System Clock [MHz]
256fs
4.0960
8.1920
16.3840
5.6448
11.2896
22.5792
6.1440
12.2880
24.5760
384fs
6.1440
12.2880
24.5760
8.4672
16.9344
33.8688
9.2160
18.4320
36.8640
512fs
8.1920
16.3840
-
11.2896
22.5792
-
12.2880
24.5760
-
768fs
12.2880
24.5760
-
16.9344
33.8688
-
18.4320
36.8640
-
1024fs
16.3840
-
-
22.5792
-
-
24.5760
-
-
1536fs
24.5760
-
-
33.8688
-
-
36.8640
-
-
n
Audio Serial Interface Format
Data is shifted in via the SDTI pin using BICK and LRCK inputs. 6 serial data modes are supported and selected by
register data of DIF2-0 as shown in Table 4. In all modes the serial data is MSB-first, 2’s compliment format and is
latched on the rising edge of BICK. Mode 4 can be used for 20, 18 and 16 MSB justified formats by zeroing the unused
LSBs.
Mode
0
1
2
3
4
5
6
7
DIF2
0
0
0
0
1
1
1
1
DIF1
0
0
1
1
0
0
1
1
DIF0
0
1
0
1
0
1
0
1
Table 4. Audio Data Format
SDTI
L/R
H/L
H/L
H/L
H/L
H/L
L/H
BICK
32fs
36fs
40fs
48fs
48fs
48fs
16bit, LSB justified
18bit, LSB justified
20bit, LSB justified
24bit, LSB justified
24bit, MSB justified
I
2
S
Reserved
Reserved
default
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