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參數(shù)資料
| 型號(hào)： | AK4370 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 24-Bit 2ch DAC with HP-AMP & Output Mixer |
| 中文描述： | 24位2通道DAC，具有惠普腺苷 |
| 文件頁(yè)數(shù)： | 7/49頁(yè) |
| 文件大?。?/td> | 695K |
| 代理商： | AK4370 |
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ASAHI KASEI
[AK4370]
MS0595-E-00
2007/03
- 7 -
ANALOG CHARACTERISTICS
(Ta=25
°
C; AVDD=DVDD=HVDD=2.4V, VSS1=VSS2=0V; fs=44.1kHz; BOOST OFF; Slave Mode; Signal Frequency
=1kHz; Measurement band width=20Hz
～
20kHz; Headphone-Amp: Load impedance is a serial connection with R
L
=16
Ω
and C
L
=220
μ
F. (Refer to Figure 38; unless otherwise specified)
Parameter
DAC Resolution
Headphone-Amp:
(HPL/HPR pins) (Note 8)
Analog Output Characteristics
THD+N
3dBFS Output, 2.4V, Po=10mW@16
Ω
0dBFS Output, 3.3V, Po=40mW@16
Ω
60dBFS Output, A-weighted, 2.4V
60dBFS Output, A-weighted, 3.3V
A-weighted, 2.4V
A-weighted, 3.3V
Interchannel Isolation
DC Accuracy
Interchannel Gain Mismatch
Gain Drift
Load Resistance (Note 9)
Load Capacitance
3dBFS Output (Note 10)
Output Voltage
0dBFS Output, 3.3V,
Po=40mW@16
Ω
Output Volume:
(HPL/HPR pins)
Step Size
0
～
–30dB
(HPG1-0 bits = “00”)
–30
～
–63dB
Gain Control Range
Max (ATT4-0 bits = “00H”)
(HPG1-0 bits = “00”)
Min (ATT4-0 bits = “1FH”)
Stereo Line Output:
(LOUT/ROUT pins, R
L
=10k
Ω
) (Note 11)
Analog Output Characteristics:
THD+N (0dBFS Output)
S/N
A-weighted, 2.4V
A-weighted, 3.3V
DC Accuracy
Gain Drift
Load Resistance (Note 9)
Load Capacitance
Output Voltage (0dBFS Output) (Note 12)
Output Volume:
(LOUT/ROUT pins)
Step Size
Gain Control Range
Max (ATTS3-0 bits = “FH”)
(LOG1-0 bit = “0”)
Min (ATTS3-0 bits = “0H”)
Note 8. DALHL=DARHR bits = “1”
LIN1HL=RIN1HL=LIN2HL=RIN2HL=LIN1HR=RIN1HR=LIN2HR=RIN2HR bits = “0”.
Note 9. AC load.
Note 10. Output voltage is proportional to AVDD voltage. Vout = 0.48 x AVDD(typ)@
3dBFS.
Note 11. DALL=DARR bits = “1”
LIN1L=RIN1L=LIN2L=RIN2L=LIN1R=RIN1R=LIN2R=RIN2R bits = “0”
Note 12. Output voltage is proportional to AVDD voltage. Vout = 0.61 x AVDD(typ)@0dBFS.
min
-
typ
-
max
24
Units
bit
-
-
50
20
90
92
90
92
80
40
-
-
-
-
-
-
dB
dB
dB
dB
dB
dB
dB
82
-
82
-
60
D-Range
S/N
-
-
0.3
200
-
-
1.16
0.8
-
-
300
1.28
dB
ppm/
°
C
Ω
pF
Vpp
16
-
1.04
-
0.8
-
Vrms
0.1
0.1
-
-
1.5
3
0
63
2.9
5.9
-
-
dB
dB
dB
dB
-
60
87
90
50
-
-
dB
dB
dB
80
-
-
200
-
-
1.47
-
-
ppm/
°
C
k
Ω
pF
Vpp
10
-
1.32
25
1.61
1
-
-
2
0
3
-
-
dB
dB
dB
30
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