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