參數(shù)資料
型號(hào): AK5371A
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 2ch A/D Converter with USB I/F
中文描述: 2通道的A / D轉(zhuǎn)換器的USB我/女
文件頁(yè)數(shù): 6/32頁(yè)
文件大?。?/td> 317K
代理商: AK5371A
6
MS0103-E-00
MS0546-E-00
ASAHI KASEI
[AK5371A]
2007/02
Analog Characteristics
Ta=25
°
C,VA=VD=3.3V, Signal Frequency=1kHz, Sampling Frequency Fs=44.1kHz BW=20Hz
20kHz, Test Mode; unless
otherwise specified
Parameter
Stereo ADC (2 channel)
Resolution
S/N (A weight) (
AMPR2I/AMPL2I input)
(IPGA are set to 0dB) USB Normal Mode
S/(N+D) (-1dB analog input)
(IPGA are set to 0dB) USB Normal Mode
MIC Amplifier (2
Full Scale Input Voltage
Gain Control Range
Step Size
Input Impedance @AMPR2I/AMPL2I pin
MIC Amplifier (1
st
Stage)
Gain range
Input Impedance @MICR/MICL
S/N (A weight) @MICR/MICL to AMPR1O/AMPL1O
MIC Bias (VA)
Output Voltage when 4.7K
Ω
resistor connected
Output Impedance
Output Current
MIC Bias (Buffer Amp)
Output Voltage when 300
Ω
resistor connected
Output Current
Power Supplies
Min
typ
Max
Units
16
bits
dBA
84
70
dB
nd
Stage) <IPGA> Characteristics
1.5
-31
0
1.7
1.0
40
1.9
+24
2.0
Vp-p
dB
dB
K
Ω
+20
20
77
dB
K
Ω
dBA
10
2.0
Vdc
Ω
mA
200
500
2
1.9
2.2
2.5
2
Vdc
mA
Analog
Digital
Total
Power Down (Suspend Mode)
17
9
26
0
25
15
40
160
mA
mA
mA
uA
FILTER CHARACTERISTICS
(Ta=25
°
C VA, VD =3.0 - 3.6 V ; fs = 44.1 kHz)
Parameter
A/D Digital Filter
(Decimation LPF)
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay
A/Ddigital Filter (HPF)
Frequency Response
Symbol
Min
typ
Max
Units
+/- 0.2 dB
-3 dB
-0.5 dB
-0.1 dB
PB
SB
PR
SA
GD
FR
0
26.5
68
6.85
19.2
44.9
17.64
+/- 0.2
0.5
KHz
KHz
dB
dB
ms
Hz
Hz
Hz
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