ak4620b AKM Semiconductor, Inc., ak4620b Datasheet - Page 10

• 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 = “0”)
(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
= “0”)
(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
= “0”)
Note 19. The passband and stopband frequencies scale with fs.
Note 20. Delay time caused by digital filtering. This time is from setting the 16/20/24bit data of both channels to input
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
register to the output of analog signal.
For example, PB = 0.4535×fs (@±0.01dB), SB = 0.546×fs.
DAC SHARP ROLL-OFF FILTER CHARACTERISTICS (fs = 44.1kHz)
DAC SHARP ROLL-OFF FILTER CHARACTERISTICS (fs = 192kHz)
±0.01dB
±0.01dB
±0.01dB
-6.0dB
-6.0dB
-6.0dB
DAC SHARP ROLL-OFF FILTER CHARACTERISTICS (fs = 96kHz)
(Note 19)
(Note 20)
(Note 19)
(Note 20)
(Note 19)
(Note 20)
(Note 19)
(Note 19)
(Note 19)
Symbol
Symbol
symbol
GD
GD
GD
SA
SA
SA
PB
SB
PR
PB
SB
PR
PB
SB
PR
- 10 -
24.1
52.5
min
min
min
105
75
75
75
0
0
0
-
-
-
-
-
-
-
-
-
22.05
+0/-1
± 0.2
± 0.3
48.0
96.0
typ
typ
typ
28
28
28
± 0.005
± 0.005
± 0.005
max
20.0
max
43.5
max
87.0
-
-
-
-
-
-
-
-
-
[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