AK4558EN Datasheet, PDF (23/94 Pages) Asahi Kasei Microsystems – 108dB 216kHz 32Bit CODEC with PLL

[AK4558]
Parameter
Symbol
External Slave Mode
MCKI Input Timing
External Clock
256fsn:
fCLK
Pulse Width Low
tCLKL
Pulse Width High
tCLKH
384fsn:
fCLK
Pulse Width Low
tCLKL
Pulse Width High
tCLKH
512fsn, 256fsd, 128fsq:
fCLK
Pulse Width Low
tCLKL
Pulse Width High
tCLKH
768fsn, 384fsd, 192fsq:
fCLK
Pulse Width Low
tCLKL
Pulse Width High
tCLKH
Pulse Width Low
tCLKL
Pulse Width High
tCLKH
LRCK Input Timing
Stereo mode
(TDM1-0 bits = “00”)
Normal Speed Mode: 256fs, 512fs fsn
384fs, 768fs
Double Speed Mode: 256fs
fsd
384fs
Quad Speed Mode: 128fs
fsq
Duty Cycle
192fs
Duty
TDM256 mode (Note 19) (Note 20)
(TDM1-0 bits = “01”)
LRCK frequency
fsn
“H” time
“L” time
tLRH
tLRL
TDM256 mode (Note 19) (Note 21)
(TDM1-0 bits = “01”)
LRCK frequency
“H” time
fsd
tLRH
“L” time
tLRL
TDM128 mode (Note 19) (Note 22)
(TDM1-0 bits = “10”)
LRCK frequency
“H” time
“L” time
fsq
tLRH
tLRL
Note 20. The AK4558 should be in Normal Speed mode.
Note 21. The AK4558 should be in Double Speed mode.
Note 22. The AK4558 should be in Quad Speed mode.
Min.
2.048
29
29
3.072
22
22
4.096
15
15
6.144
11
11
0.4/fCLK
0.4/fCLK
8
8
54
48
108
96
45
8
1/256fsn
1/256fsn
48
1/256fsd
1/256fsd
96
1/128fsq
1/128fsq
Typ.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Max. Unit
13.824
-
-
18.432
-
-
27.648
-
-
36.864
-
-
-
-
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
s
s
54
kHz
48
kHz
108
kHz
96
kHz
216
kHz
192
kHz
55
%
48
kHz
-
ns
-
ns
96
kHz
-
ns
-
ns
192
kHz
-
ns
-
ns
015004500-E-02
- 23 -
2015/09