[AK4492]
■ Low-dispersion Short Delay Filter Characteristics
Low-dispersion Short Delay Filter Characteristics (fs = 44.1kHz)
(Ta = -40 ~ 85 C; VDDL/R = 4.755.25 V, AVDD = TVDD = (DVDD) 3.6 V, DVDD = 1.7~1.98 V; Normal
Speed Mode; DEM = OFF; SD bit pr SD pin = “1”, SLOW bit or SLOW pin = “0”, SSLOW bit or SSLOW pin
= “1”)
Parameter
Digital Filter
Frequency
Response
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay
Symbol
Min.
Typ.
Max.
Unit
0.05 dB
6.0 dB (Note 26)
(Note 33)
-
-
0
-
0
25.7
-
80
-
-
18.4
-
18.4
-
kHz
kHz
kHz
kHz
dB
dB
1/fs
1/fs
22.05
PB
SB
PR
SA
GD
ΔGD
-
-
-
-
(Note 33)
(Note 33)
(Note 26)
(Note 29)
0.05
-
-
-
10.0
±0.035
Group Delay Distortion
-
Digital Filter + SCF (Note 26)
Frequency Response: 0 20.0 kHz
-1.2
-
+0.1
dB
Low-dispersion Short Delay Filter Characteristics (fs = 96kHz)
(Ta = -40 ~ 85 C; VDDL/R = 4.755.25 V, AVDD = TVDD = (DVDD) 3.6 V, DVDD = 1.7~1.98 V; Double
Speed Mode; DEM = OFF; SD bit pr SD pin = “1”, SLOW bit or SLOW pin = “0”, SSLOW bit or SSLOW pin
= “1”)
Parameter
Digital Filter
Frequency
Response
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay
Symbol
Min.
Typ.
Max.
Unit
0.05 dB
6.0 dB (Note 26)
(Note 33)
-
-
0
-
0
55.9
-
80
-
-
40.1
-
40.1
-
kHz
kHz
kHz
kHz
dB
dB
1/fs
1/fs
48.0
-
-
-
-
PB
SB
PR
SA
GD
ΔGD
(Note 33)
(Note 28)
(Note 26)
(Note 29)
0.05
-
-
-
10.0
±0.035
Group DelayDistortion
-
Digital Filter + SCF (Note 26)
Frequency Response: 0 40.0 kHz
-1.9
-
+0.1
dB
Low-dispersion Short Delay Filter Characteristics (fs = 192kHz)
(Ta = -40 ~ 85 C; VDDL/R = 4.75 5.25 V, AVDD = TVDD = (DVDD) 3.6 V, DVDD = 1.7~1.98 V; Quad
Speed Mode; DEM = OFF; SD bit pr SD pin = “1”, SLOW bit or SLOW pin = “0”, SSLOW bit or SSLOW pin
= “1”)
Parameter
Digital Filter
Frequency
Response
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay
Symbol
Min.
Typ.
Max.
Unit
0.05 dB
6.0 dB (Note 26)
(Note 33)
-
-
0
-
0
-
80.2
-
80.2
-
kHz
kHz
kHz
kHz
dB
dB
1/fs
1/fs
96.0
-
-
-
-
PB
SB
PR
SA
GD
ΔGD
(Note 33)
(Note 28)
(Note 26)
(Note 29)
111.8
-
80
-
0.05
-
-
-
10.0
±0.035
Group Delay Distortion
-
Digital Filter + SCF (Note 26)
Frequency Response: 0 80.0 kHz
-5.0
-
+0.1
dB
Note 33. The passband and stopband frequencies scale with fs. For example, PB = 0.418 × fs
(@0.05dB), SB = 0.582 × fs.
016011073-E-00
2016/12
- 23 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
