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參數(shù)資料
| 型號： | AK4340 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 192kHz 24-Bit Stereo DAC with 2Vrms Output |
| 中文描述： | 192kHz的24位立體聲DAC 2Vrms的輸出 |
| 文件頁數(shù)： | 5/21頁 |
| 文件大小： | 265K |
| 代理商： | AK4340 |
ASAHI KASEI
AKM CONFIDENTIAL
[AK4340]
Rev.0.6
2005/11
- 5 -
ANALOG CHARACTERISTICS
(Ta=25
°
C; VDD=+5.0VV; HVEE=-5.0V; fs=44.1kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Input Data;
Measurement frequency=20Hz
～
20kHz; R
L
≥
5k
; unless otherwise specified)
Parameter
Resolution
Dynamic Characteristics
(Note 2)
fs=44.1kHz
BW=20kHz
-60dBFS
fs=96kHz
BW=40kHz
-60dBFS
fs=192kHz
BW=40kHz
-60dBFS
Dynamic Range (-60dBFS with A-weighted) (Note 3)
S/N (A-weighted) (Note 4)
Interchannel Isolation (1kHz)
Interchannel Gain Mismatch
DC Accuracy
Gain Drift
GAIN pin = “L”
Output Voltage (Note 5)
GAIN pin = “H”
Load Capacitance (Note 6)
Load Resistance
Power Supplies
Power Supply Current: (Note 7)
Normal Operation (PDN pin = “H”, fs
≤
96kHz)
VDD
HVEE
Normal Operation (PDN pin = “H”, fs=192kHz)
VDD
HVEE
Power-Down Mode (PDN pin = “L”) (Note 8)
VDD
HVEE
Note 2. Measured by Audio Precision (System Two). GAIN pin = “L”. Refer to the evaluation board manual regarding the
measurement results.
Note 3. 98dB at 16bit data
Note 4. S/N ration does not depend on the input data length
Note 5. Full-scale voltage (0dB). Output voltage is proportional to VDD voltage.
AOUT (typ.@ 0dB, GAIN = 0dB) = 2Vrms × VDD/5.
Note 6. When the output pin drives a capacitive load, a resistor should be added in series between output pin and
capacitive load.
Note 7. These values are supplied to VDD pin or HVEE pin.
Note 8. P/S pin is tied to VDD and the other all digital inputs including clock pins (MCLK, BICK and LRCK) are tied to
VDD or VSS.
min
typ
max
24
Units
Bits
0dBFS
-90
-39
-90
-36
-90
-36
106
106
100
0.2
TBD
-
-
-
-
-
0.5
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
0dBFS
THD+N
0dBFS
TBD
TBD
TBD
100
2
2.5
-
ppm/
°
C
Vrms
Vrms
pF
k
TBD
TBD
5
TBD
TBD
25
22
8
25
8
10
10
TBD
TBD
TBD
TBD
TBD
TBD
mA
mA
mA
mA
μ
A
μ
A
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