參數(shù)資料
型號: AK4358VQ
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 192 KHZ 24 BIT 8 CH DAC WITH DSD INPUT
中文描述: 192千赫24位8路DAC,具有DSD輸入
文件頁數(shù): 6/35頁
文件大?。?/td> 457K
代理商: AK4358VQ
ASAHI KASEI
[AK4358]
MS0203-E-00
2003/02
- 6 -
ANALOG CHARACTERISTICS
(Ta=25
°
C; AVDD, DVDD=5V; VREFH=AVDD; fs=44.1kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Input Data;
Measurement frequency=20Hz
20kHz; R
L
2k
; unless otherwise specified)
Parameter
Resolution
Dynamic Characteristics
(Note 4)
fs=44.1kHz
BW=20kHz
-60dBFS
fs=96kHz
BW=40kHz
-60dBFS
fs=192kHz
BW=40kHz
-60dBFS
Dynamic Range (-60dBFS with A-weighted) (Note 5)
S/N (A-weighted) (Note 6)
Interchannel Isolation (1kHz)
Interchannel Gain Mismatch
DC Accuracy
Gain Drift
Output Voltage (Note 7)
Load Resistance (Note 8)
Power Supplies
Power Supply Current (AVDD+DVDD)
Normal Operation (PDN = “H”, fs
96kHz) (Note 9)
Normal Operation (PDN = “H”, fs=192kHz) (Note 10)
Power-Down Mode (PDN = “L”) (Note 11)
Min
Typ
Max
24
Units
Bits
0dBFS
-94
-48
-92
-45
-92
-45
112
112
100
0.2
-86
-
-84
-
-
-
0.5
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
0dBFS
THD+N
0dBFS
102
102
90
100
±
2.5
-
ppm/
°
C
Vpp
k
±
2.35
2
±
2.65
56
62
10
70
85
100
mA
mA
μA
Note 4. Measured by Audio Precision System Two. Refer to the evaluation board manual.
Note 5. 100dB at 16bit data.
Note 6. S/N does not depend on input bit length.
Note 7. Full scale voltage (0dB). Output voltage scales with the voltage of VREFH pin. AOUT (typ. @0dB) =
(AOUT+)-(AOUT-) =
±
2.5Vpp
×
VREFH/5.0
Note 8. For AC-load. 4k
for DC-load
Note 9 AVDD=40mA(Typ), DVDD=12mA(Typ)@44.1kHz&5V, 16mA(Typ)@96kHz&5V
Note 10 AVDD=40mA(Typ), DVDD=22mA(Typ)@192kHz&5V
Note 11. All digital inputs including clock pins (MCLK, BICK and LRCK) are held DVDD or DVSS.
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