AK4671_10 Datasheet, PDF (13/166 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/RCV/HP-AMP

[AK4671]
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 (Note 34)
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 (Note 34)
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 (Note 34)
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 (Note 34)
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 (Note 34)
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 (Note 34)
GD
-
3
-
ms
Note 34. 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.
MS0666-E-02
- 13 -
2010/06