ASAHI KASEI
[AK4122]
FILTER CHARACTERISTICS
(Ta=25°C; AVDD, DVDD=3.0
∼
3.6V; DEM=OFF)
Parameter
Symbol
min
Digital Filter
Passband
−0.001dB
0.985
≤
FSO/FSI
≤
6.000
PB
0
0.905
≤
FSO/FSI
<
0.985
PB
0
0.714
≤
FSO/FSI
<
0.905
PB
0
0.656
≤
FSO/FSI
<
0.714
PB
0
0.536
≤
FSO/FSI
<
0.656
PB
0
0.492
≤
FSO/FSI
<
0.536
PB
0
0.452
≤
FSO/FSI
<
0.492
PB
0
0.333
≤
FSO/FSI
<
0.452
PB
0
Stopband
0.985
≤
FSO/FSI
≤
6.000
SB
0.5417FSI
0.905
≤
FSO/FSI
<
0.985
SB
0.5021FSI
0.714
≤
FSO/FSI
<
0.905
SB
0.3965FSI
0.656
≤
FSO/FSI
<
0.714
SB
0.3643FSI
0.536
≤
FSO/FSI
<
0.656
SB
0.2974FSI
0.492
≤
FSO/FSI
<
0.536
SB
0.2732FSI
0.452
≤
FSO/FSI
<
0.492
SB
0.2510FSI
0.333
≤
FSO/FSI
<
0.452
SB
0.1822FSI
Passband Ripple
PR
Stopband Attenuation
SA
96
Group Delay
(Note 7)
GD
-
typ
max
0.4583FSI
0.4167FSI
0.3195FSI
0.2852FSI
0.2245FSI
0.2003FSI
0.1781FSI
0.1092FSI
Units
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
dB
dB
1/fs
±0.01
58.5
-
Note 7. This value is the time from the rising edge of LRCK after data is input to rising edge of LRCK after data is output,
when LRCK for Output data corresponds with LRCK for Input.
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
-
-
min
typ
-
-
-
-
-
typ
max
-
30%DVDD
-
0.4
±10
max
Units
V
V
V
V
µA
Units
Parameter
Power Supply Current
Normal operation (PDN pin = “H”)
(Note 8)
FSI=FSO=48kHz at Slave Mode: AVDD=DVDD=3.3V
FSI=FSO=96kHz at Master Mode: AVDD=DVDD=3.3V
FSI=FSO=96kHz at Master Mode: AVDD=DVDD=3.6V
Power down (PDN pin = “L”)
(Note 9)
AVDD+DVDD
15
29
-
10
-
-
45
100
mA
mA
mA
µA
Note 8. Typ and max values are the value of AVDD+DVDD in each power supply voltage.
Power supply current of each path@Slave Mode, AVDD=DVDD=3.3V, FSI=FSO=48kHz
1. PORT1
→
SRC
→
PORT3: AVDD=5mA(typ), DVDD=10mA(typ)
2. PORT2
→
SRC
→
PORT3: AVDD=5mA(typ), DVDD=10mA(typ)
3. DIR
→
SRC
→
PORT3: AVDD=6mA(typ), DVDD=9mA(typ)
Note 9. All digital input pins are held DVSS.
MS0267-E-03
-9-
2004/08
AKM [ ASAHI KASEI MICROSYSTEMS ]
