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參數(shù)資料
| 型號(hào)： | AK4705 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 2ch 24bit DAC with AV SCART Switch |
| 中文描述： | 2通道24位DAC，具有影音SCART開關(guān) |
| 文件頁(yè)數(shù)： | 12/50頁(yè) |
| 文件大?。?/td> | 660K |
| 代理商： | AK4705 |
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[AK4705]
MS0451-E-01
2007/06
- 12 -
DIGITAL CHARACTERISTICS
(Ta = 25
°
C; VD = 4.75
～
5.25V)
Parameter
High-Level Input Voltage
Low-Level Input Voltage
Low-Level Output Voltage
(SDA pin: Iout= 3mA, INT pin: Iout= 1mA)
Input Leakage Current
Symbol
VIH
VIL
VOL
min
2.0
-
-
typ
-
-
-
max
-
0.8
0.4
Units
V
V
V
Iin
-
-
±
100
μ
A
ANALOG CHARACTERISTICS (AUDIO)
(Ta = 25
°
C; VP=12V, VD = 5V; VVD1=VVD2 = 5V; fs = 48kHz; BICK = 64fs; Signal Frequency = 1kHz; 24bit Input
Data; Measurement frequency = 20Hz
～
20kHz; R
L
≥
4.5k
Ω
; Volume #0=Volume #1=0dB, 0dB=2Vrms output; unless
otherwise specified)
Parameter
DAC Resolution
Analog Input:
(TVINL/TVINR/VCRINL/VCRINR pins)
Analog Input Characteristics
Input Voltage
Input Resistance
Analog Input:
(DACL/DACR pin)
Analog Input Characteristics
Input Voltage
Input Resistance
Stereo/Mono Output:
(TVOUTL/TVOUTR/VCROUTL/VCROUTR/MONOOUT pins; Note: 5)
Analog Output Characteristics
Volume#0 Gain (DAPD bit = “0”)
(DVOL1-0 = “00”)
(DVOL1-0 = “01”)
(DVOL1-0 = “10”)
(DVOL1-0 = “11”. Note: 6)
Volume#2 Gain (DAPD bit = “1”)
(DVOL1-0 = “00”)
(DVOL1-0 = “01”)
Volume#1 Step Width (+6dB to –12dB)
(-12dB to –40dB)
(-40dB to –60dB)
THD+N (at 2Vrms output. Note: 7)
(
at 3Vrms output.
Note: 7, Note: 8)
Dynamic Range (-60dB Output, A-weighted. Note: 7)
S/N (A-weighted. Note: 7)
Interchannel Isolation (Note: 7, Note: 9)
Interchannel Gain Mismatch (Note: 7, Note: 9)
Gain Drift
Load Resistance (AC-Lord)
TVOUTL/R, VCROUTL/R, MONOOUT
Load Capacitance
TVOUTL/R, VCROUTL/R, MONOOUT
Output Voltage (Note: 10)
Power Supply Rejection (PSR. Note: 11)
Note: 5. Measured by Audio Precision System Two Cascade.
Note: 6. Output clips over –2.5dBFS digital input.
Note: 7. DAC to TVOUT
Note: 8. Except VCROUTL/VCROUTL pins.
Note: 9. Between TVOUTL and TVOUTR with digital inputs 1kHz/0dBFS.
min
typ
max
24
Units
bit
2
-
Vrms
k
Ω
100
150
1
-
Vrms
k
Ω
40
60
-
-
-
-
0
-6
+2.44
+4
6
0
2
2
2
-86
-60
96
96
90
0.3
200
-
-
-
-
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
5.3
-0.7
1.6
0.5
0.1
6.7
0.7
2.4
3.5
3.9
-80
-
-
-
92
92
80
-
-
4.5
1.85
-
ppm/
°
C
k
Ω
pF
Vrms
dB
20
2.15
2
50
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