[AK4127]
DC CHARACTERISTICS
(Ta=25°C; AVDD, DVDD=3.0
∼
3.6V)
Parameter
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage
(Iout=−400μA)
Low-Level Output Voltage
(Iout=400μA)
Input Leakage Current
Symbol
VIH
VIL
VOH
VOL
Iin
min
70%DVDD
-
DVDD−0.4
-
-
typ
-
-
-
-
-
max
-
30%DVDD
-
0.4
±10
Units
V
V
V
V
μA
Power Supplies
Power Supply Current
Normal operation (PDN pin = “H”)
FSI=FSO=48kHz at Slave Mode: AVDD=DVDD=3.3V
FSI=FSO=192kHz at Master Mode: AVDD=DVDD=3.3V
: AVDD=DVDD=3.6V
Power down (PDN pin = “L”) (Note 7)
AVDD+DVDD
Note 7. All digital input pins are held DVSS.
15
65
100
10
100
mA
mA
mA
μA
SWITCHING CHARACTERISTICS
(Ta=25°C; AVDD, DVDD=3.0
∼
3.6V; C
L
=20pF)
Parameter
Symbol
min
Master Clock Timing
Frequency
fCLK
1.024
Pulse Width Low
tCLKL
0.4/fCLK
Pulse Width High
tCLKH
0.4/fCLK
LRCK for Input data (ILRCK)
Frequency
fs
8
Duty Cycle
Slave Mode
Duty
48
Master Mode
Duty
LRCK for Output data (OLRCK)
Frequency
Duty Cycle
Slave Mode
Master Mode
LRCK for TDM Mode (OLRCK)
Frequency
“H” time
“L” time
Audio Interface Timing
Input PORT (Slave mode)
IBICK Period
(8kHz
∼
54kHz)
(54kHz
∼
108kHz)
(108kHz
∼
216kHz)
IBICK Pulse Width Low
Pulse Width High
ILRCK Edge to IBICK “↑”
IBICK “↑” to ILRCK Edge
SDTI Hold Time from IBICK “↑”
SDTI Setup Time to IBICK “↑”
fs
Duty
Duty
fs
tLRH
tLRL
8
48
typ
max
41.472
Units
MHz
ns
ns
kHz
%
%
kHz
%
%
kHz
ns
ns
50
50
216
52
50
50
216
52
8
1/256fs
1/256fs
48
tBCK
tBCK
tBCK
tBCKL
tBCKH
tLRB
tBLR
tSDH
tSDS
1/256fs
1/128fs
1/64fs
27
27
15
15
15
15
ns
ns
ns
ns
ns
ns
ns
ns
ns
MS0593-E-01
-9-
2007/07
AKM [ ASAHI KASEI MICROSYSTEMS ]
