參數(shù)資料
型號: AK4626
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: HIGH PERFORMANCE MULTI-CHANNEL AUDIO CODEC
中文描述: 高性能多通道音頻解碼器
文件頁數(shù): 2/40頁
文件大小: 570K
代理商: AK4626
ASAHI KASEI
[AK4626]
MS0233- J -01
2004/03
- 10 -
Ta=25
°C; AVDD, DVDD=4.55.5V; TVDD=2.75.5V; fs=48kHz)
Parameter
Symbol
min
typ
max
Units
ADC Digital Filter (Decimation LPF):
Passband
(Note 14)
±0.1dB
-0.2dB
-3.0dB
PB
0
-
20.0
23.0
18.9
-
kHz
Stopband
SB
28
kHz
Passband Ripple
PR
±0.04
dB
Stopband Attenuation
SA
68
dB
Group Delay
(Note 15)
GD
16
1/fs
Group Delay Distortion
GD
0
s
ADC Digital Filter (HPF):
Frequency Response
(Note 14)
-3dB
-0.1dB
FR
1.0
6.5
Hz
DAC Digital Filter:
Passband
(Note 14)
-0.1dB
-6.0dB
PB
0
-
24.0
21.8
-
kHz
Stopband
SB
26.2
kHz
Passband Ripple
PR
±0.02
dB
Stopband Attenuation
SA
54
dB
Group Delay
(Note 15)
GD
19.2
1/fs
DAC Digital Filter + Analog Filter:
Frequency Response:
0
20.0kHz
40.0kHz
(Note 16)
80.0kHz
(Note 16)
FR
±0.2
±0.3
±1.0
dB
Notes:
14.
fs
-0.1dB
21.8kHz
0.454 x fs
15.
24
ADC
DAC
20/24
DAC
16. 40.0kHz; fs=96kHz , 80.0kHz; fs=192kHz.
DC
(Ta=25
°C; AVDD, DVDD=4.55.5V; TVDD=2.75.5V)
Parameter
Symbol
min
typ
max
Units
High-Level Input Voltage
Low-Level Input Voltage
VIH
VIL
2.2
-
0.8
V
High-Level Output Voltage
(SDTO, LRCK, BICK pin:
Iout=-100A)
(DZF1, DZF2/OVF pins:
Iout=-100A)
Low-Level Output Voltage
(SDTO, LRCK, BICK, DZF1, DZF2/OVFpins:
Iout= 100A)
(SDA pin:
Iout= 3mA)
VOH
VOL
TVDD-0.5
AVDD-0.5
-
0.5
0.4
V
Input Leakage Current
(Note 17)
Iin
-
±10
A
Note 17: TST2
(typ. 100k
)
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