[AK4675]
MS0963-E-00
2008/05
- 21 -
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
±
0.15dB
PB 0 - 3.0
kHz
Stopband SB
4.7
-
-
kHz
Passband Ripple
PR
-
-
±
0.15
dB
Stopband Attenuation
SA
69
-
-
dB
Group Delay (
) GD
-
5
-
ms
Down Sampling (SRC-A):
fs=11.025kHz
Passband
±
0.15dB
PB 0 - 3.1
kHz
Stopband SB
4.7
-
-
kHz
Passband Ripple
PR
-
-
±
0.15
dB
Stopband Attenuation
SA
69
-
-
dB
Group Delay (
) GD
-
4
-
ms
Down Sampling (SRC-A):
fs=12kHz
Passband
±
0.15dB
PB 0 - 3.1
kHz
Stopband SB
4.7
-
-
kHz
Passband Ripple
PR
-
-
±
0.15
dB
Stopband Attenuation
SA
69
-
-
dB
Group Delay (
) GD
-
4
-
ms
Down Sampling (SRC-A):
fs=16kHz
Passband
±
0.15dB
PB 0 - 3.1
kHz
Stopband SB
4.7
-
-
kHz
Passband Ripple
PR
-
-
±
0.15
dB
Stopband Attenuation
SA
69
-
-
dB
Group Delay (
) GD
-
3
-
ms
Down Sampling (SRC-A):
fs=22.05kHz
Passband
±
0.15dB
PB 0 - 3.1
kHz
Stopband SB
4.7
-
-
kHz
Passband Ripple
PR
-
-
±
0.15
dB
Stopband Attenuation
SA
69
-
-
dB
Group Delay (
) GD
-
3
-
ms
Down Sampling (SRC-A):
fs=24kHz
Passband
±
0.15dB
PB 0 - 3.1
kHz
Stopband SB
4.7
-
-
kHz
Passband Ripple
PR
-
-
±
0.15
dB
Stopband Attenuation
SA
69
-
-
dB
Group Delay (
) GD
-
3
-
ms
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.