ASAHI KASEI
[AK4122]
FILTER CHARACTERISTICS
(Ta=25°C; AVDD, DVDD=3.0 ∼ 3.6V; DEM=OFF)
Parameter
Symbol
min
typ
max
Units
Digital Filter
Passband −0.001dB 0.985 ≤ FSO/FSI ≤ 6.000
0.905 ≤ FSO/FSI < 0.985
0.714 ≤ FSO/FSI < 0.905
0.656 ≤ FSO/FSI < 0.714
0.536 ≤ FSO/FSI < 0.656
0.492 ≤ FSO/FSI < 0.536
0.452 ≤ FSO/FSI < 0.492
0.333 ≤ FSO/FSI < 0.452
PB
PB
PB
PB
PB
PB
PB
PB
SB
SB
SB
SB
SB
SB
SB
SB
PR
SA
GD
0
0
0
0
0
0
0
0
0.4583FSI
0.4167FSI
0.3195FSI
0.2852FSI
0.2245FSI
0.2003FSI
0.1781FSI
0.1092FSI
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
dB
Stopband
0.985 ≤ FSO/FSI ≤ 6.000
0.905 ≤ FSO/FSI < 0.985
0.714 ≤ FSO/FSI < 0.905
0.656 ≤ FSO/FSI < 0.714
0.536 ≤ FSO/FSI < 0.656
0.492 ≤ FSO/FSI < 0.536
0.452 ≤ FSO/FSI < 0.492
0.333 ≤ FSO/FSI < 0.452
0.5417FSI
0.5021FSI
0.3965FSI
0.3643FSI
0.2974FSI
0.2732FSI
0.2510FSI
0.1822FSI
Passband Ripple
Stopband Attenuation
Group Delay
±0.01
96
-
dB
1/fs
(Note 7)
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
Symbol
VIH
VIL
min
typ
max
Units
V
V
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage
Low-Level Output Voltage
Input Leakage Current
70%DVDD
-
-
-
-
-
-
-
30%DVDD
(Iout=−400µA)
(Iout=400µA)
VOH
VOL
Iin
DVDD−0.4
-
V
V
µA
-
-
0.4
±10
Parameter
min
typ
max
Units
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
15
29
-
-
-
45
mA
mA
mA
Power down (PDN pin = “L”)
AVDD+DVDD
(Note 9)
10
100
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-02
2004/07
- 9 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
