ASAHI KASEI
[AK4140]
FILTER CHARACTERISTICS (MONO/STEREO)
(Ta=-20∼ 85°C; AVDD=DVDD=2.7~3.6V, fs=48kHz)
Parameter
Symbol
min
typ
max
Units
Digital Filter (LPF):
Passband
Group Delay
±1dB
(Note 4)
PB
GD
12
kHz
1/fs
13
Digital Filter (HPF):
Frequency Response
−3dB
−0.1dB
FR
1.0
6.5
Hz
Hz
FILTER CHARACTERISTICS (SAP)
(Ta=-20∼ 85°C; AVDD=DVDD=2.7~3.6V, fs=48kHz)
Parameter
Symbol
min
typ
max
Units
Digital Filter (LPF):
Passband
Group Delay
(Note 9) ±1dB
(Note 4)
PB
GD
9
kHz
1/fs
24
Digital Filter (HPF):
Frequency Response
−3dB
−0.1dB
FR
1.0
6.5
Hz
Hz
Note 4. The calculated delay time induced by digital filtering. This time is from the input of an analog signal to the
setting of 16bit data both channels to the output register for the device.
DC CHARACTERISTICS
(Ta=-20∼ 85°C; AVDD=DVDD=2.7~3.6V)
Parameter
Symbol
min
typ
Max
Units
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage (Iout=-400μA)
Low-Level Output Voltage
(Except SDA pin: Iout= 400μA)
(SDA pin: Iout= 3mA)
VIH
VIL
VOH
70%VDD
-
VDD-0.4
-
-
-
-
V
V
V
30%VDD
-
VOL
VOL
-
-
-
-
0.4
0.4
V
V
Input Leakage Current
Iin
-
-
± 10
μA
MS0547-E-01
2007/03
- 5 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
