參數(shù)資料
型號: AK4342EN
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): 9/43頁
文件大小: 580K
代理商: AK4342EN
ASAHI KASEI
[AK4342]
MS0506-E-02
- 9 -
2006/07
Parameter
Aux Output:
(DAC
LAUX/RAUX pins) (Note 15)
Analog Output Characteristics
fs=44.1kHz
BW=20kHz
fs=96kHz
BW=40kHz
Dynamic Range (
60dBFS Output, A-weighted)
S/N (A-weighted)
Interchannel Isolation
DC Accuracy
Interchannel Gain Mismatch
Gain Drift
Load Resistance
Load Capacitance
Output Voltage
Output Volume for Headphone-amp (PGAL, PGAR):
+6dB to –10dB
–10dB to –32dB
–32dB to –48dB
Output Volume for Lineout-amp (LPGA):
Step Size
0dB to –31dB
Power Supplies
Power Supply Current
Normal Operation (PDN pin = “H”)
AVDD+HVDD+PVDD
DVDD+TVDD (fs = 44.1kHz)
DVDD+TVDD (fs = 96kHz)
Power-Down Mode (PDN pin = “L”)
AVDD+HVDD+PVDD+DVDD+TVDD
Note 15. PMVCM=PMDAC=PMAUX bits = “1”, PMHP=PMLO bits= “0”, LINL=LINR=RINL=RINR bits = “0”,
ATTL7-0=ATTR7-0= 0dB
Note 16. For AC load
Note 17. Output voltage is proportional to AVDD voltage. Vout (typ) = 0.212 x AVDD [Vrms] @ 0dBFS
Note 18. PMVCM=PMDAC=PMHP=PMLO=PMAUX bits = “1” and HP-Amp output is off.
Note 19. All digital input pins including clock pins (MCLK, BICK and LRCK) except I2C and CSN/CAD0 pins are held
at DVSS
.
I2C and CSN/CAD0 pins are held at TVDD.
LAUX/RAUX pin
min
typ
max
Units
0dBFS Output
60dBFS Output
0dBFS Output
60dBFS Output
-
-
-
-
87
32
87
30
95
95
100
77
-
77
-
-
-
-
dB
dB
dB
dB
dB
dB
dB
THD+N
87
87
80
-
-
0.2
200
-
-
0.70
0.8
-
-
25
0.77
dB
ppm/
°
C
k
pF
Vrms
(Note 16)
10
-
0.63
(C4 in Figure 4)
(Note 17)
0.1
0.1
0.1
1
2
4
1.9
3.9
7.9
dB
dB
dB
Step Size
0.1
1
1.9
dB
(Note 18)
(Note 19)
-
-
-
-
28
2.5
3.5
10
45
4
5.5
100
mA
mA
mA
μ
A
Analog
Out
C4
Figure 4. Aux-out circuit example
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