參數(shù)資料
型號: AK5385A
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: ADC
英文描述: 24BIT 192KHZ ADC
中文描述: 24位192kHz的模數(shù)轉(zhuǎn)換器
文件頁數(shù): 7/24頁
文件大?。?/td> 175K
代理商: AK5385A
ASAHI KASEI
[AK5385A]
MS0265-J-01
2003/11
- 15 -
n I[fBIC“^tF[XtH[}bg
2í—f[^tH[}bg DIF pin (Table 4)‘I‘B—[hàMSBt@[XgA
2’sR“v
“gf[^tH[}bgSDTO BICK—§‰èo—êBI[fBIC“^tF[X}
X^[hX[u[h‘‰B}X^[h
LRCKBICKo—èAX[u[h
“ü—èB}X^[hLRCKü”g”
BICKü”g”êê fs64fsB
Mode
DIF pin
SDTO
LRCK
BICK
Figure
0
L
24bit, MSB justified
H/L
≥ 48fs
Figure 1
1
H
24bit, I
2S Compatible
L/H
≥ 48fs
Figure 2
Table 4. Audio Interface Format
LRCK
BICK(64fs)
SDTO(o)
0
23 22
1 2
4
0
20 21
24
31 0 1 2
23 22
0
1
0
23
22
20 21
31
23:MSB, 0:LSB
Lch Data
Rch Data
24
3 2 1
22 23
23
1
2
3
4
Figure 1. Mode 0 Timing
LRCK
BICK(64fs)
SDTO(o)
0
23 22
1 2
4
0
25
21
24
0 1 2
23 22
0
1
0
22
25
21
24
3 2 1
22 23
23
1
2
3
4
3
23:MSB, 0:LSB
Lch Data
Rch Data
Figure 2. Mode 1 Timing
n }X^[hX[u[hè‘
}X^[hX[u[hè‘M/S pinsB“H”}X^[hA
“L”X[u[h
BAK5385A}X^[hAAK5385AMCLKé BICK, LRCKo—êB
AK5385AX[u[hA
MCLK, BICK, LRCK‰B
M/S pin
Mode
BICK, LRCK
L
Slave Mode
BICK = Input
LRCK = Input
H
Master Mode
BICK = Output
LRCK = Output
Table 5. Master mode/Slave mode
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