ak4620b AKM Semiconductor, Inc., ak4620b Datasheet - Page 11

• Manufacturer Part Number: ak4620b
• Description: 24-bit 192khz Audio Codec With Ipga
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
(Ta = 25°C; VA=4.75 ∼ 5.25V; VD=3.0 ∼ 3.6V, VT=3.0 ∼ 5.25V; fs = 44.1kHz; Normal Speed Mode; DEM = OFF;
SLOW = “1”)
(Ta = 25°C; VA=4.75 ∼ 5.25V; VD=3.0 ∼ 3.6V, VT=3.0 ∼ 5.25V; fs = 96kHz; Double Speed Mode; DEM = OFF; SLOW
= “1”)
(Ta = 25°C; VA=4.75 ∼ 5.25V; VD=3.0 ∼ 3.6V, VT=3.0 ∼ 5.25V; fs = 192kHz; Quad Speed Mode; DEM = OFF; SLOW
= “1”)
Note 21. The passband and stopband frequencies scale with fs.
MS0401-E-00
Parameter
Digital Filter
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay
Digital Filter + SCF
Frequency Response: 0 ∼ 20.0kHz
Parameter
Digital Filter
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay
Digital Filter + SCF
Frequency Response: 0 ∼ 40.0kHz
Parameter
Digital Filter
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay
Digital Filter + SCF
Frequency Response: 0 ∼ 80.0kHz
For example, PB = 0.185×fs (@±0.04dB), SB = 0.888×fs.
DAC SLOW ROLL-OFF FILTER CHARACTERISTICS (fs = 44.1kHz)
±0.04dB
±0.04dB
±0.04dB
-3.0dB
-3.0dB
DAC SLOW ROLL-OFF FILTER CHARACTERISTICS (fs = 192kHz)
-3.0dB
DAC SLOW ROLL-OFF FILTER CHARACTERISTICS (fs = 96kHz)
(Note 21)
(Note 20)
(Note 21)
(Note 20)
(Note 21)
(Note 20)
(Note 21)
(Note 21)
(Note 21)
Symbol
Symbol
Symbol
GD
GD
GD
SA
SA
SA
PB
SB
PR
PB
SB
PR
PB
SB
PR
- 11 -
39.2
85.3
min
min
min
171
72
72
72
0
0
0
-
-
-
-
-
-
-
-
-
+0/-5
+0/-4
+0/-5
18.2
39.6
79.1
typ
typ
typ
28
28
28
± 0.005
± 0.005
± 0.005
max
max
17.7
max
35.5
8.1
-
-
-
-
-
-
-
-
-
[AK4620B]
Units
Units
Units
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
1/fs
1/fs
1/fs
dB
dB
dB
dB
dB
dB
dB
dB
dB
2005/07