ak4556 AKM Semiconductor, Inc., ak4556 Datasheet - Page 12

• 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 15. The AK4556 can be reset by bringing the PDN pin = “L”.
Note 16. This cycle is the number of LRCK rising edges from the PDN pin = “H”.
MS0559-E-00
Parameter
Reset Timing
Timing Diagram
Master mode (VA, VD = 2.4V ∼ 2.7V)
BCLK Frequency
BCLK Duty
BCLK “↓” to LRCK
BCLK “↓” to SDTO
SDTI Hold Time
SDTI Setup Time
Master mode (VA, VD = 2.7V ∼ 3.6V)
BCLK Frequency
BCLK Duty
BCLK “↓” to LRCK
BCLK “↓” to SDTO
SDTI Hold Time
SDTI Setup Time
PDN Pulse Width
PDN “↑” to SDTO valid
Slave Mode
Master Mode
MCLK
LRCK
BCLK
Noraml Speed
Double Speed
Quad Speed
Double Speed
Quad Speed
Normal Speed
SWITCHING CHARACTERISTICS (Continued)
L
=20pF)
tBCKH
tCLKH
(Note 16)
(Note 15)
Figure 2. Clock Timing
1/fCLK
tBCK
1/fs
- 12 -
Symbol
tMBLR
tMBLR
dBCK
dBCK
tPWV
tPWV
tPWV
tPWV
tPWV
tPWV
fBCK
fBCK
tSDH
tSDH
tBSD
tSDS
tBSD
tSDS
tBCKL
tPW
tCLKL
min
−20
−20
−20
−20
150
20
20
13
13
-
-
-
-
-
-
-
-
-
-
16518
16515
4134
8262
4131
8259
64fs
64fs
typ
50
50
-
-
-
-
-
-
-
-
-
VIH
VIH
VIH
VIL
VIL
VIL
max
40
40
20
20
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[AK4556]
2006/11
Units
1/fs
1/fs
1/fs
1/fs
1/fs
1/fs
Hz
Hz
%
ns
ns
ns
ns
%
ns
ns
ns
ns
ns