AK4954AEN Datasheet, PDF (18/26 Pages) Asahi Kasei Microsystems – 32bit Stereo CODEC with MIC/HP/SPK-AMP

Parameter
External Slave Mode
MCKI Input Timing
Frequency
256fs
384fs
512fs
1024fs
Pulse Width Low
Pulse Width High
LRCK Input Timing
Frequency 256fs
384fs
512fs
1024fs
Duty
BICK Input Timing
Period
Pulse Width Low
Pulse Width High
External Master Mode
MCKI Input Timing
Frequency
256fs
384fs
512fs
1024fs
Pulse Width Low
Pulse Width High
LRCK Output Timing
Frequency
Duty Cycle
BICK Output Timing
Period
BCKO bit = “0”
BCKO bit = “1”
Duty Cycle
[AK4954A]
Symbol
min
typ
max Unit
fCLK
2.048
-
fCLK
3.072
-
fCLK
4.096
-
fCLK
8.192
-
tCLKL 0.4/fCLK
-
tCLKH 0.4/fCLK
-
fs
8
-
fs
8
-
fs
8
-
fs
8
-
Duty
45
-
tBCK
156.25
-
tBCKL
65
-
tBCKH
65
-
24.576
18.432
24.576
12.288
-
-
MHz
MHz
MHz
MHz
ns
ns
96
kHz
48
kHz
48
kHz
12
kHz
55
%
-
ns
-
ns
-
ns
fCLK
fCLK
fCLK
fCLK
tCLKL
tCLKH
fs
Duty
tBCK
tBCK
dBCK
2.048
-
3.072
-
4.096
-
8.192
-
0.4/fCLK
-
0.4/fCLK
-
24.576
18.432
24.576
12.288
-
-
MHz
MHz
MHz
MHz
ns
ns
8
-
96
kHz
-
50
-
%
-
1/(32fs)
-
ns
-
1/(64fs)
-
ns
-
50
-
%
MS1542-J-00-PB
- 18 -
2013/06