參數(shù)資料
型號： AK4626AVQ
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)： 10/40頁
文件大?。?/td> 573K
代理商： AK4626AVQ
ASAHI KASEI
[AK4626A]
MS0397-E-00
2005/06
- 10 -
FILTER CHARACTERISTICS
(Ta=25
°
C; AVDD, DVDD=4.5
～
5.5V; TVDD=2.7
～
5.5V; fs=48kHz)
Parameter
ADC Digital Filter (Decimation LPF):
Passband (Note 14)
Symbol
min
typ
max
Units
±
0.1dB
-0.2dB
-3.0dB
PB
0
-
-
28
68
20.0
23.0
16
0
18.9
-
-
±
0.04
kHz
kHz
kHz
kHz
dB
dB
1/fs
μs
Stopband
Passband Ripple
Stopband Attenuation
Group Delay (Note 15)
Group Delay Distortion
ADC Digital Filter (HPF):
Frequency Response (Note 14)
-3dB
SB
PR
SA
GD
GD
-0.1dB
FR
1.0
6.5
Hz
Hz
DAC Digital Filter:
Passband (Note 14)
-0.1dB
-6.0dB
PB
0
-
24.0
19.2
21.8
-
±
0.02
kHz
kHz
kHz
dB
dB
1/fs
Stopband
Passband Ripple
Stopband Attenuation
Group Delay (Note 15)
DAC Digital Filter + Analog Filter:
Frequency Response: 0
～
20.0kHz
SB
PR
SA
GD
26.2
54
40.0kHz (Note 16)
80.0kHz (Note 16)
FR
FR
FR
±
0.2
±
0.3
±
1.0
dB
dB
dB
Notes:
14. The passband and stopband frequencies scale with fs.
For example, 21.8kHz at –0.1dB is 0.454 x fs.
15. The calculating delay time which occurred by digital filtering. This time is from setting the input of analog signal to
setting the 24bit data of both channels to the output register for ADC.
For DAC, this time is from setting the 20/24bit data of both channels on input register to the output of analog
signal.
16. 40.0kHz; fs=96kHz , 80.0kHz; fs=192kHz.
DC CHARACTERISTICS
(Ta=25
°
C; AVDD, DVDD=4.5
～
5.5V; TVDD=2.7
～
5.5V)
Parameter
Symbol
High-Level Input Voltage
Low-Level Input Voltage
VIL
High-Level Output Voltage
(SDTO, LRCK, BICK pin: Iout=-100μA)
(DZF1, DZF2/OVF pins: Iout=-100μA)
Low-Level Output Voltage
(SDTO, DZF1, DZF2/OVF pins: Iout= 100μA)
(SDA, LRCK, BICK pin: Iout= 3mA)
Input Leakage Current (Note 17)
Iin
Note 17: TST2 pin has an internal pull-down device, nominally 100kohm.
min
2.2
-
typ
-
-
-
-
-
-
-
max
-
0.8
-
-
0.5
0.4
±
10
Units
V
V
V
V
V
V
μA
VIH
VOH
VOH
VOL
VOL
TVDD-0.5
AVDD-0.5
-
-
-
相關(guān)PDF資料
PDF描述
AK4628A High Performance Multi-channel Audio CODEC
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