[AK4675]
FILTER CHARACTERISTICS (SRC)
(Ta=25°C; AVDD=PVDD=SAVDD=2.2 ∼ 3.6V; DVDD=TVDD2=TVDD3=1.6 ∼ 3.6V; fs2=8kHz; Programmable
Filter=OFF)
Parameter
Symbol
min
typ
max
Units
Down Sampling (SRC-A): fs=8kHz
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay (Note 51)
PB
SB
PR
SA
GD
0
4.7
-
69
-
-
-
-
-
5
3.0
-
±0.15
-
kHz
kHz
dB
dB
ms
±0.15dB
-
Down Sampling (SRC-A): fs=11.025kHz
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay (Note 51)
PB
SB
PR
SA
GD
0
4.7
-
69
-
-
-
-
-
4
3.1
-
±0.15
-
kHz
kHz
dB
dB
ms
±0.15dB
-
Down Sampling (SRC-A): fs=12kHz
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay (Note 51)
PB
SB
PR
SA
GD
0
4.7
-
69
-
-
-
-
-
4
3.1
-
±0.15
-
kHz
kHz
dB
dB
ms
±0.15dB
-
Down Sampling (SRC-A): fs=16kHz
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay (Note 51)
PB
SB
PR
SA
GD
0
4.7
-
69
-
-
-
-
-
3
3.1
-
±0.15
-
kHz
kHz
dB
dB
ms
±0.15dB
-
Down Sampling (SRC-A): fs=22.05kHz
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay (Note 51)
PB
SB
PR
SA
GD
0
4.7
-
69
-
-
-
-
-
3
3.1
-
±0.15
-
kHz
kHz
dB
dB
ms
±0.15dB
-
Down Sampling (SRC-A): fs=24kHz
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay (Note 51)
PB
SB
PR
SA
GD
0
4.7
-
69
-
-
-
-
-
3
3.1
-
±0.15
-
kHz
kHz
dB
dB
ms
±0.15dB
-
Note 51. The calculated delay time caused by digital filtering. This time is from setting the 16-bit data from the input
register to the output register.
MS0963-E-00
2008/05
- 21 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
