參數(shù)資料
型號(hào): AK4588VQ
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 2/8 CHANNEL AUDIO CODEC WITH DIR
中文描述: 2 / 8聲道音頻編解碼器迪爾
文件頁數(shù): 11/76頁
文件大?。?/td> 787K
代理商: AK4588VQ
ASAHI KASEI
[AK4588]
MS0287-E-01
2004/03
- 11 -
ANALOG CHARACTERISTICS
(Ta=25
°
C; AVDD, DVDD, PVDD, TVDD=5V; AVSS, DVSS=0V; VREFH=AVDD; fs=48kHz; BICK=64fs;
Signal Frequency=1kHz; 24bit Data; Measurement Frequency=20Hz
20kHz at fs=48kHz, 20Hz~40kHz at fs=96kHz;
20Hz~40kHz at fs=192kHz, unless otherwise specified)
Parameter
ADC Analog Input Characteristics
Resolution
S/(N+D) (-0.5dBFS)
fs=48kHz
fs=96kHz
DR (-60dBFS)
fs=48kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
S/N (Note 5)
fs=48kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
Interchannel Isolation
DC Accuracy
Interchannel Gain Mismatch
Gain Drift
Input Voltage
AIN=0.62xVREFH
Input Resistance
fs=48kHz
fs=96kHz
Power Supply Rejection (Note 6)
DAC Analog Output Characteristics
Resolution
S/(N+D)
fs=48kHz
fs=96kHz
fs=192kHz
DR (-60dBFS)
fs=48kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
fs=192kHz
fs=192kHz, A-weighted
S/N (Note 7)
fs=48kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
fs=192kHz
fs=192kHz, A-weighted
Interchannel Isolation
DC Accuracy
Interchannel Gain Mismatch
Gain Drift
Output Voltage AOUT=0.6xVREFH
Load Resistance
Power Supply Rejection (Note 6)
Power Supplies
Power Supply Current
Normal Operation (PDN = “H”) (Note 7)
AVDD fs=48kHz,fs=96kHz
fs=192kHz
PVDD
DVDD+TVDD fs=48kHz (Note 9)
fs=96kHz
fs=192kHz
Power-down mode (PDN = “L”) (Note 10)
min
typ
max
Units
24
Bits
dB
dB
dB
dB
dB
dB
dB
dB
dB
84
-
94
88
93
94
88
93
90
92
86
102
96
102
102
96
102
110
0.2
20
3.10
25
16
50
0.3
-
3.30
dB
ppm/
°
C
Vpp
k
k
dB
2.90
15
9
24
Bits
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
80
78
-
95
88
94
-
-
95
88
94
-
-
90
90
88
88
106
100
106
100
106
106
100
106
100
106
110
0.2
20
3.0
50
0.5
-
3.25
dB
ppm/
°
C
Vpp
k
dB
2.75
5
50
37
12
44
57
68
80
70
52
17
62
80
95
200
mA
mA
mA
mA
mA
mA
μ
A
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