參數(shù)資料
型號: AK4632
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16-Bit ツヒ Mono CODEC with ALC & MIC/SPK/Video-AMP
中文描述: 16位ツヒALC的單聲道編解碼器
文件頁數(shù): 13/70頁
文件大小: 639K
代理商: AK4632
ASAHI KASEI
[AK4632]
MS0396-E-00
2005/06
- 13 -
Parameter
EXT Slave Mode (Figure 12)
MCKI Frequency: 256fs
512fs
1024fs
Pulse Width Low
Pulse Width High
FCK Frequency (MCKI = 256fs)
(MCKI = 512fs)
(MCKI = 1024fs)
Duty Cycle
BICK Period
BICK Pulse Width Low
Pulse Width High
Audio Interface Timing (Figure 13)
FCK Edge to BICK
(Note 33)
BICK
to FCK Edge (Note 33)
FCK to SDTO (MSB) (Except I
2
S mode)
BICK
to SDTO
SDTI Hold Time
SDTI Setup Time
Note 30. Duty Cycle = (the width of
L
) / (the period of clock)
×
100
Note 31. MSBS, BCKP bits =
00
or
11
Note 32. MSBS, BCKP bits =
01
or
10
Note 33. BICK rising edge must not occur at the same time as FCK edge.
Parameter
Control Interface Timing:
CCLK Period
CCLK Pulse Width Low
Pulse Width High
CDTI Setup Time
CDTI Hold Time
CSN
H
Time
CSN
to CCLK
CCLK
to CSN
Reset Timing
PDN Pulse Width (Note 34)
PMADC
to SDTO valid (Note 35)
Note 34. The AK4632 can be reset by the PDN pin =
L
Note 35. This is the count of FCK
from the PMADC =
1
.
Symbol
min
typ
Max
Units
fCLK
fCLK
fCLK
tCLKL
tCLKH
fFCK
fFCK
fFCK
duty
tBCK
tBCKL
tBCKH
tFCKB
tBFCK
tFSD
tBSD
tSDH
tSDS
1.8816
3.7632
7.5264
0.4/fCLK
0.4/fCLK
7.35
7.35
7.35
45
312.5
130
130
50
50
-
-
50
50
2.048
4.096
8.192
-
-
8
8
8
-
-
-
-
-
-
-
-
-
-
12.288
13.312
13.312
-
-
48
26
13
55
-
-
-
-
-
80
80
-
-
MHz
MHz
MHz
ns
ns
kHz
kHz
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
Symbol
tCCK
tCCKL
tCCKH
tCDS
tCDH
tCSW
tCSS
tCSH
tPD
tPDV
min
200
80
80
40
40
150
150
50
150
-
typ
-
-
-
-
-
-
-
-
-
1059
max
-
-
-
-
-
-
-
-
-
-
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
1/fs
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相關代理商/技術參數(shù)
參數(shù)描述
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AK4633VN 制造商:AKM 制造商全稱:AKM 功能描述:16bit mono CODEC with MIC/SPK amplifier.
AK4633VNP-L 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:LOW COST MONO CODEC WITH SPK A