參數(shù)資料
型號: AK4385VT
廠商: ASAHI KASEI POWER DEVICES CORP
元件分類: DAC
英文描述: 108dB 192kHz 24-Bit 2ch ツヒ DAC
中文描述: SERIAL INPUT LOADING, 24-BIT DAC, PDSO16
封裝: 6.40 X 5 MM, 0.65 MM PITCH, LEAD FREE, PLASTIC, TSSOP-16
文件頁數(shù): 10/21頁
文件大?。?/td> 285K
代理商: AK4385VT
ASAHI KASEI
[AK4385]
MS0246-E-00
2003/07
- 10 -
MCLK
Sampling Speed
Normal
Double
Quad
512fs
256fs
128fs
768fs
384fs
192fs
Table 5. Sampling Speed (Auto Setting Mode: Default)
LRCK
fs
32.0kHz
44.1kHz
48.0kHz
88.2kHz
96.0kHz
176.4kHz
192.0kHz
MCLK (MHz)
256fs
-
-
-
22.5792
24.5760
-
-
128fs
-
-
-
-
-
22.5792
24.5760
192fs
-
-
-
-
-
33.8688
36.8640
384fs
-
-
-
33.8688
36.8640
-
-
512fs
16.3840
22.5792
24.5760
-
-
-
-
768fs
24.5760
33.8688
36.8640
-
-
-
-
Sampling Speed
Normal
Double
Quad
Table 6. System Clock Example (Auto Setting Mode)
Audio Serial Interface Format
Data is shifted in via the SDTI pin using BICK and LRCK inputs. The DIF0-2 as shown in Table 7 can select five serial
data modes. In all modes the serial data is MSB-first, 2’s compliment format and is latched on the rising edge of BICK.
Mode 2 can be used for 16/20 MSB justified formats by zeroing the unused LSBs.
Mode
DIF2
DIF1
DIF0
SDTI Format
0
0
0
0
16bit LSB Justified
1
0
0
1
20bit LSB Justified
2
0
1
0
24bit MSB Justified
3
0
1
1
24bit I
2
S Compatible
4
1
0
0
24bit LSB Justified
Table 7. Audio Data Formats
BICK
32fs
40fs
48fs
48fs
48fs
Figure
Figure 1
Figure 2
Figure 3
Figure 4
Figure 2
Default
SDTI
Mode 0
BICK
(32fs)
LRCK
SDTI
Mode 0
15
14
6
5
4
BICK
(64fs)
0
1
10
11
12
13
14
15
0
1
10
11
12
13
14
15
0
1
3
2
1
0
15
14
0
14
1
15
16
17
31
0
1
14
15
16
17
31
0
1
15
14
0
15
14
0
Don’t care
Don’t care
15:MSB, 0:LSB
15
14
6
5
4
3
2
1
0
Lch Data
Rch Data
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