AK4571VQ 데이터 시트보기 (PDF) - Asahi Kasei Microdevices
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AK4571VQ Datasheet PDF : 54 Pages
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ASAHI KASEI
[AK4571]
アナログ特性
Ta=25°C,VA=VD=3.3V, Signal Frequency=1kHz, Sampling Frequency Fs=44.1kHz BW=20Hz – 20kHz, TEST mode; unless otherwise
specified
Parameter
Mono ADC (1 channel)
Min
typ
Max
Units
Resolution
S/N (A weight) @44.1kHz
(PGA is set to 0dB) AMP2I input : USB Normal mode
S/(N+D)
(-1.0dB analog input) USB Normal mode
Full scale input Voltage
MIC amplifier
16
bits
83
dBA
73
dB
0.53
0.6
0.67
Vrms
S/N (A weight)
MICIN input AMP1O output
Gain 20dB Selected
Input Impedance
StereoDAC (2 channel)
76
84
dBA
+17
+20
+23
dB
10
20
kΩ
Resolution
S/N (A weight) @44.1kHz (DAC volume &master volume is set to 0dB)
USB Normal mode
S/(N+D)
(-1.0dB digital input) USB Normal mode
Full scale output Voltage
0.53
PGA
Step size
0
Attenuation control range
-31
Input Impedance AMP2I input
10
Master volume:
step size
0
Attenuation control range
-47
Output Load Resistance
10
Output Load Capacitance
16
bits
84
dBA
75
dB
0.6
0.67
Vrms
1.0
2.0
dB
+24
dB
20
kΩ
1.0
2.0
dB
0
dB
kΩ
5
pF
Bass Boost
Internal Resistance
External Resistance
External Capacitance
40
kΩ
360
400
kΩ
5
pF
MIC Bias (Buffer Amp)
Output Voltage
Output Current
1.94
2.2
2.46
Vdc
2
mA
Power Supplies
Analog
Digital
Total
Power Down(Suspend)
35
52
mA
15
23
mA
50
75
mA
0
150
uA
MS0153-J-02
-7 -
2003/3
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