參數(shù)資料
型號(hào): AK4342
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 24-Bit Stereo DAC with HP-AMP & 2V Line-Out
中文描述: 24位立體聲DAC惠普腺苷
文件頁數(shù): 10/43頁
文件大?。?/td> 580K
代理商: AK4342
ASAHI KASEI
[AK4342]
MS0506-E-02
2006/07
- 10 -
FILTER CHARACTERISTICS
(Ta=25
°
C; AVDD, DVDD, HVDD, PVDD=2.7
3.6V, TVDD=1.6
3.6V; fs=44.1kHz; De-emphasis = “OFF”)
Parameter
Symbol
DAC Digital Filter:
Passband
±
0.05dB
(Note 20)
PB
6.0dB
Stopband
(Note 20)
SB
Passband Ripple
PR
Stopband Attenuation
SA
Group Delay
(Note 21)
GD
Group Delay Distortion
GD
Digital Filter + Analog Filter:
(Note 22)
Frequency Response
20.0kHz (fs=44.1kHz)
FR
40.0kHz (fs=96kHz)
FR
Analog Filter:
(Note 23)
Frequency Response
20.0kHz
FR
40.0kHz
FR
Note 20. The passband and stopband frequencies scale with fs.
For example, PB=0.4535*fs(@
±
0.05dB), SB=0.546*fs(@
54dB).
Note 21. Delay time caused by digital filtering. This time is from setting the 16/20/24bit data of both channels to input
register to the output of analog signal.
Note 22. DAC
HPL/HPR/LOUT/ROUT/LAUX/RAUX
Note 23. LIN
HPL/LOUT/LAUX, RIN
HPR/ROUT/RAUX
DC CHARACTERISTICS
(Ta=25
°
C; AVDD, DVDD, HVDD, PVDD=2.7
3.6V; TVDD=1.6
3.6V)
Parameter
Symbol
High-Level Input Voltage (2.7V
TVDD
3.6V)
VIH
(1.6V
TVDD < 2.7V)
VIH
Low-Level Input Voltage (2.7V
TVDD
3.6V)
VIL
(1.6V
TVDD < 2.7V)
VIL
Low-Level Output Voltage
(Iout = 3mA)
VOL
Input Leakage Current
(Note 24)
Iin
Note 24. Except I2C and CSN/CAD0 pins. These pins have internal pull-up device, nominally 100k
.
min
typ
max
Units
0
-
-
20.0
-
-
±
0.02
-
-
-
kHz
kHz
kHz
dB
dB
1/fs
μs
22.05
-
-
-
21
0
24.1
-
54
-
-
-
-
0.5
1.5
-
-
dB
dB
-
-
±
1.0
±
1.0
-
-
dB
dB
min
typ
-
-
-
-
-
-
max
-
-
Units
V
V
V
V
V
μ
A
70
%
TVDD
80%TVDD
-
-
-
-
30
%
TVDD
20
%
TVDD
0.4
±
10
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