參數(shù)資料
型號: AK4589
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): 3/76頁
文件大?。?/td> 797K
代理商: AK4589
ASAHI KASEI
[AK4589]
MS0339-J-00
2004/09
- 11 -
(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
min
typ
max
Units
ADC Analog Input Characteristics
Resolution
24
Bits
S/(N+D)
(-0.5dBFS)
fs=48kHz
fs=96kHz
84
-
92
86
dB
DR
(-60dBFS)
fs=48kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
94
88
93
102
96
102
dB
S/N
(Note 5)
fs=48kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
93
88
93
102
96
102
dB
Interchannel Isolation
90
110
dB
DC Accuracy
Interchannel Gain Mismatch
0.2
0.3
dB
Gain Drift
20
-
ppm/
°C
Input Voltage
AIN=0.62xVREFH
2.90
3.10
3.30
Vpp
Input Resistance
fs=48kHz
fs=96kHz
15
9
25
16
k
k
Power Supply Rejection
(Note 7)
50
dB
DAC Analog Output Characteristics
Resolution
24
Bits
S/(N+D)
fs=48kHz
fs=96kHz
fs=192kHz
86
84
-
94
92
dB
DR
(-60dBFS)
fs=48kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
fs=192kHz
fs=192kHz, A-weighted
104
98
104
-
114
108
114
108
114
dB
S/N
(Note 8)
fs=48kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
fs=192kHz
fs=192kHz, A-weighted
104
98
104
-
114
108
114
108
114
dB
Interchannel Isolation
90
100
dB
DC Accuracy
Interchannel Gain Mismatch
0.2
0.5
dB
Gain Drift
20
-
ppm/
°C
Output Voltage
AOUT=0.54xVREFH
±2.5
±2.7
±2.9
Vpp
Load Resistance
(AC Load)
(Note 6)
2
k
Power Supply Rejection
(Note 7)
50
dB
Power Supplies
Power Supply Current
Normal Operation
(PDN pin = “H”)
(Note 9)
AVDD
fs=48kHz,fs=96kHz
fs=192kHz
PVDD
DVDD+TVDD
fs=48kHz
(Note 10)
fs=96kHz
fs=192kHz
Power-down mode (PDN pin
= “L”)
(Note 11)
70
57
12
44
57
68
0.1
98
80
17
62
80
95
1
mA
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