參數(shù)資料
型號(hào): AK4529
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(yè)數(shù): 9/38頁(yè)
文件大?。?/td> 398K
代理商: AK4529
ASAHI KASEI
[AK4529]
MS0082-E-00
2001/3
- 9 -
FILTER CHARACTERISTICS
(Ta=25
°
C; AVDD, DVDD=4.5
5.5V; TVDD=2.7
5.5V; fs=44.1kHz; DEM=OFF)
Parameter
ADC Digital Filter (Decimation LPF):
Passband (Note 14)
-0.005dB
-0.02dB
-0.06dB
-6.0dB
Stopband
Passband Ripple
Stopband Attenuation
Group Delay (Note 15)
Group Delay Distortion
ADC Digital Filter (HPF):
Frequency Response (Note 14)
-3dB
-0.5dB
-0.1dB
DAC Digital Filter:
Passband (Note 14)
-0.1dB
-6.0dB
Stopband
Passband Ripple
Stopband Attenuation
Group Delay (Note 15)
DAC Digital Filter + Analog Filter:
Frequency Response: 0
20.0kHz
40.0kHz (Note 16)
Symbol
min
typ
max
Units
PB
0
-
-
-
20.02
20.20
22.05
19.76
-
-
-
kHz
kHz
kHz
kHz
kHz
dB
dB
1/fs
μs
SB
PR
SA
GD
GD
24.34
±
0.005
80
27.6
0
FR
0.9
2.7
6.0
Hz
Hz
Hz
PB
0
-
22.05
20.0
-
kHz
kHz
kHz
dB
dB
1/fs
SB
PR
SA
GD
24.2
±
0.02
56
21.9
FR
FR
±
0.2
±
0.3
dB
dB
Notes: 14. The passband and stopband frequencies scale with fs.
For example, 20.02kHz at –0.02dB is 0.454 x fs. The reference frequency of these responses is 1kHz.
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. fs=96kHz.
DC CHARACTERISTICS
(Ta=25
°
C; AVDD, DVDD=4.5
5.5V; TVDD=2.7
5.5V)
Parameter
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage
(SDTO pin: Iout=-100μA)
(DZF1, DZF2/OVF pins: Iout=-100μA)
Low-Level Output Voltage
(SDTO, DZF1, DZF2/OVF pins: Iout= 100μA)
(SDA pin: Iout= 3mA)
Input Leakage Current
Symbol
VIH
VIL
VOH
VOH
VOL
VOL
Iin
min
2.2
-
typ
-
-
max
-
0.8
Units
V
V
TVDD-0.5
AVDD-0.5
-
-
-
-
-
-
-
-
-
-
0.5
0.4
±
10
V
V
V
V
μA
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