ak4556 AKM Semiconductor, Inc., ak4556 Datasheet - Page 11

• Manufacturer Part Number: ak4556
• Description: 3v 192khz 24bit ?? Codec
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
(Ta=-40 ∼ +85°C; VA, VD=2.4 ∼ 3.6V; C
Note 14. BCLK rising edge must not occur at the same time as LRCK edge.
MS0559-E-00
Parameter
Master Clock Timing (MCLK)
LRCK (VA, VD = 2.4V∼3.6V)
LRCK (VA, VD = 2.7V∼3.6V)
Audio Interface Timing
Frequency: 128fs, 256fs, 512fs
Pulse Width Low
Pulse Width High
Frequency
Duty Cycle
Frequency
Duty Cycle
Slave mode (VA, VD = 2.4V ∼ 2.7V)
BCLK Period: Normal Speed
BCLK Pulse Width Low
LRCK Edge to BCLK “↑”
BCLK “↑” to LRCK Edge
LRCK to SDTO (MSB) (Except I
BCLK “↓” to SDTO
SDTI Hold Time
SDTI Setup Time
Slave mode (VA, VD = 2.7V ∼ 3.6V)
BCLK Period: Normal Speed
BCLK Pulse Width Low
LRCK Edge to BCLK “↑”
BCLK “↑” to LRCK Edge
LRCK to SDTO (MSB) (Except I
BCLK “↓” to SDTO
SDTI Hold Time
SDTI Setup Time
Pulse Width High
Pulse Width High
192fs, 384fs, 768fs
Normal Speed: 256fs, 512fs
Double Speed: 256fs
Slave mode
Master mode
Quad Speed: 128fs
Slave mode
Master mode
Double Speed
Double / Quad Speed
192fs
384fs, 768fs
384fs
2
2
S mode)
S mode)
L
SWITCHING CHARACTERISTICS
=20pF)
(Note 14)
(Note 14)
(Note 14)
(Note 14)
- 11 -
Symbol
tCLKH
tBCKH
tBCKH
tCLKL
tBCKL
tBCKL
fCLK
fCLK
tBCK
tBCK
tDLR
tSDH
tBCK
tBCK
tDLR
tSDH
tLRB
tBLR
tBSD
tSDS
tLRB
tBLR
tBSD
tSDS
fs
fs
fs
fs
fs
fs
0.4/fCLK
0.4/fCLK
1/128fs
1/128fs
1/64fs
1/64fs
2.048
3.072
min
108
54
48
45
96
45
60
60
20
20
20
20
33
33
20
20
13
13
8
8
-
-
-
-
-
-
typ
50
50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
27.648
36.864
max
108
216
192
54
48
96
55
55
40
40
20
20
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[AK4556]
2006/11
Units
MHz
MHz
kHz
kHz
kHz
kHz
kHz
kHz
ns
ns
%
%
%
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns