參數(shù)資料
型號: 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
文件頁數(shù): 8/38頁
文件大?。?/td> 398K
代理商: AK4529
ASAHI KASEI
[AK4529]
MS0082-E-00
2001/3
- 8 -
ANALOG CHARACTERISTICS
(Ta=25
°
C; AVDD, DVDD, TVDD=5V; AVSS, DVSS=0V; VREFH=AVDD; fs=44.1kHz; BICK=64fs;
Signal Frequency=1kHz; 24bit Data; Measurement Frequency=20Hz
20kHz at 44.1kHz, 20Hz~40kHz at fs=96kHz;
unless otherwise specified)
Parameter
ADC Analog Input Characteristics
Resolution
S/(N+D) (-0.5dBFS)
fs=44.1kHz
fs=96kHz
DR (-60dBFS)
fs=44.1kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
S/N (Note 8)
fs=44.1kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
Interchannel Isolation
DC Accuracy
Interchannel Gain Mismatch
Gain Drift
Input Voltage
fs=44.1kHz AIN=0.62xVREFH
fs=96kHz AIN=0.65xVREFH
Input Resistance (Note 9)
Power Supply Rejection (Note 10)
DAC Analog Output Characteristics
Resolution
S/(N+D)
fs=44.1kHz
fs=96kHz
DR (-60dBFS)
fs=44.1kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
S/N (Note 11)
fs=44.1kHz, A-weighted
fs=96kHz
fs=96kHz, A-weighted
Interchannel Isolation
DC Accuracy
Interchannel Gain Mismatch
Gain Drift
Output Voltage AOUT=0.6xVREFH
Load Resistance
Power Supply Rejection (Note 10)
Power Supplies
Power Supply Current (AVDD+DVDD+TVDD)
Normal Operation (PDN = “H”)
AVDD
DVDD+TVDD fs=44.1kHz (Note 12)
fs=96kHz
Power-down mode (PDN = “L”) (Note 13)
Notes: 8. S/N measured by CCIR-ARM is 98dB(@fs=44.1kHz).
9. Input resistance is 16k
typically at fs=96kHz.
10. PSR is applied to AVDD, DVDD and TVDD with 1kHz, 50mVpp. VREFH pin is held a constant voltage.
11. S/N measured by CCIR-ARM is 102dB(@fs=44.1kHz).
12. TVDD=0.1mA(typ).
13. In the power-down mode. All digital input pins including clock pins (MCLK, BICK, LRCK) are held DVSS.
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
3.25
25
50
0.3
-
3.30
3.45
dB
ppm/
°
C
Vpp
Vpp
k
dB
2.90
3.05
15
24
Bits
dB
dB
dB
dB
dB
dB
dB
dB
dB
80
78
95
88
94
95
88
94
90
90
88
106
100
106
106
100
106
110
0.2
20
3.0
0.5
-
3.25
dB
ppm/
°
C
Vpp
k
dB
2.75
5
50
42
28
42
80
63
42
63
200
mA
mA
mA
μA
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