參數(shù)資料
型號(hào): AK4387
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 106dB 192kHz 24-Bit 2ch ツヒ DAC
中文描述: 一零六分貝192kHz的24位2通道ツヒ數(shù)模轉(zhuǎn)換器
文件頁(yè)數(shù): 9/21頁(yè)
文件大?。?/td> 257K
代理商: AK4387
ASAHI KASEI
[AK4387]
MS0429-E-00
2005/09
- 9 -
LRCK
fs
176.4kHz
192.0kHz
MCLK
BICK
64fs
128fs
192fs
22.5792MHz
24.5760MHz
33.8688MHz
36.8640MHz
11.2896MHz
12.2880MHz
Table 4. System Clock Example (Quad Speed Mode @Manual Setting Mode)
MCLK
1152fs
512fs
768fs
256fs
384fs
128fs
192fs
Table 5. Sampling Speed (Auto Setting Mode: Default)
Sampling Speed
Normal (fs
32kHz)
Normal
Double
Quad
LRCK
fs
32.0kHz
44.1kHz
48.0kHz
88.2kHz
96.0kHz
176.4kHz
192.0kHz
MCLK (MHz)
384fs
-
-
-
33.8688
36.8640
-
-
128fs
-
-
-
-
-
22.5792
24.5760
192fs
-
-
-
-
-
33.8688
36.8640
256fs
-
-
-
22.5792
24.5760
-
-
512fs
16.3840
22.5792
24.5760
-
-
-
-
768fs
24.5760
33.8688
36.8640
-
-
-
-
1152fs
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
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