參數(shù)資料
型號(hào): 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): 39/40頁
文件大小: 570K
代理商: AK4626
ASAHI KASEI
[AK4626]
MS0233- J -01
2004/03
- 8 -
(Ta=25
°C; AVDD, DVDD, TVDD=5V; AVSS, DVSS=0V; VREFH=AVDD; fs=48kHz; BICK=64fs;
Signal Frequency=1kHz; 24bit Data; Measurement Frequency=20Hz
20kHz at 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 8)
fs=48kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
94
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
(Note 9)
15
25
k
Power Supply Rejection
(Note 10)
50
dB
DAC Analog Output Characteristics
Resolution
24
Bits
S/(N+D)
fs=48kHz
fs=96kHz
fs=192kHz
80
78
-
90
88
dB
DR
(-60dBFS)
fs=48kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
fs=192kHz
fs=192kHz, A-weighted
95
88
94
-
106
100
106
100
106
dB
S/N
(Note 11)
fs=48kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
fs=192kHz
fs=192kHz, A-weighted
95
88
94
-
106
100
106
100
106
dB
Interchannel Isolation
90
110
dB
DC Accuracy
Interchannel Gain Mismatch
0.2
0.5
dB
Gain Drift
20
-
ppm/
°C
Output Voltage
AOUT=0.6xVREFH
2.75
3.0
3.25
Vpp
Load Resistance
5
k
Power Supply Rejection
(Note 10)
50
dB
Notes:
8. CCIR-ARM
98dB(@fs=48kHz)
9. fs=96kHz
16k
(typ)
10. VREFH
+5.0V
AVDD, DVDD, TVDD
1kHz, 50mVpp
11. CCIR-ARM
102dB(@fs=48kHz)
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