ak4634 AKM Semiconductor, Inc., ak4634 Datasheet - Page 12

• Manufacturer Part Number: ak4634
• Description: 16-bit Mono Codec With Alc & Mic/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

Parameter
EXT Slave Mode
MCKI Frequency: 256fs
FCK Frequency (MCKI = 256fs)
BICK Period
BICK Pulse Width Low
Audio Interface Timing
Rev. 0.5
FCK Edge to BICK “↑”
BICK “↑” to FCK Edge
FCK to SDTO (MSB) (Except I
BICK “↓” to SDTO
SDTI Hold Time
SDTI Setup Time
Duty Cycle
Pulse Width High
Pulse Width Low
Pulse Width High
(MCKI = 512fs)
(MCKI = 1024fs)
1024fs
512fs
(Figure
(Figure
11)
(Note
(Note
12)
24)
24)
2
S mode)
Symbol
tCLKH
tBCKH
tCLKL
tBCKL
tFCKB
tBFCK
fCLK
fCLK
fCLK
tBCK
fFCK
fFCK
fFCK
tBSD
tSDH
tFSD
tSDS
duty
- 12 -
0.4/fCLK
0.4/fCLK
1.8816
3.7632
7.5264
312.5
7.35
7.35
7.35
min
130
130
45
50
50
50
50
-
-
2.048
4.096
8.192
typ
8
8
8
-
-
-
-
-
-
-
-
-
-
-
-
12.288
13.312
13.312
max
48
26
13
55
80
80
-
-
-
-
-
-
-
-
-
[AK4634]
2007/10
Units
MHz
MHz
MHz
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%