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參數(shù)資料
| 型號： | AK4385 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 108dB 192kHz 24-Bit 2ch ツヒ DAC |
| 中文描述： | 一〇八分貝192kHz的24位2通道ツヒ數(shù)模轉(zhuǎn)換器 |
| 文件頁數(shù)： | 4/21頁 |
| 文件大?。?/td> | 285K |
| 代理商： | AK4385 |
ASAHI KASEI
[AK4385]
MS0246-E-00
2003/07
- 4 -
ANALOG CHARACTERISTICS
(Ta=25
°
C; VDD=5.0V; fs=44.1kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Input Data;
Measurement frequency=20Hz
～
20kHz; R
L
≥
4k
; unless otherwise specified)
Parameter
Resolution
Dynamic Characteristics
(Note 3)
fs=44.1kHz
BW=20kHz
fs=96kHz
BW=40kHz
fs=192kHz
BW=40kHz
Dynamic Range (-60dBFS with A-weighted) (Note 4)
S/N (A-weighted) (Note 5)
Interchannel Isolation (1kHz)
Interchannel Gain Mismatch
DC Accuracy
Gain Drift
Output Voltage (Note 6)
Load Resistance (Note 7)
Power Supplies
Power Supply Current (VDD)
Normal Operation (PDN = “H”, fs
≤
96kHz)
Normal Operation (PDN = “H”, fs=192kHz)
Power-Down Mode (PDN = “L”) (Note 8)
Notes: 3. Measured by Audio Precision (System Two). Refer to the evaluation board manual.
4. 100dB at 16bit data.
5. S/N does not depend on input bit length.
6. Full-scale voltage (0dB). Output voltage scales with the voltage of VREF,
AOUT (typ.@0dB)=(AOUT+)-(AOUT-)=
±
2.75Vpp × VREF/5.
7. For AC-load. 4k
for DC-load.
8. All digital inputs including clock pins (MCLK, BICK and LRCK) are held VDD or VSS.
min
typ
max
24
Units
Bits
0dBFS
-60dBFS
0dBFS
-60dBFS
0dBFS
-60dBFS
-94
-44
-92
-41
-92
-41
108
108
110
0.2
-84
-
-
-
-
-
0.5
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
THD+N
100
100
90
100
±
2.75
-
ppm/
°
C
Vpp
k
±
2.55
4
±
2.95
17
20
10
27
32
100
mA
mA
μ
A
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