Datasheet AK7604 (Asahi Kasei Microdevices) - 11

[AK7604] 8. ■ Electrical Characteristics Analog Characteristics 1. MIC AMP
(Ta=25C; AVDD=LVDD=TVDD=VDD33=3.3V; VSS1=VSS2=VSS3=VSS4=0V)
Parameter
Min.
Typ.
Input Impedance (Full-differential)
17
25
Input Impedance (Pseudo, Single)
18
26
MGNL[3:0]bits=0H, MGNR[3:0]bits=0H
-1
0
MGNL[3:0]bits=1H, MGNR[3:0]bits=1H
1
2
MGNL[3:0]bits=2H, MGNR[3:0]bits=2H
3
4
MGNL[3:0]bits=3H, MGNR[3:0]bits=3H
5
6
MGNL[3:0]bits=4H, MGNR[3:0]bits=4H
7
8
MGNL[3:0]bits=5H, MGNR[3:0]bits=5H
9
10
MIC
MGNL[3:0]bits=6H, MGNR[3:0]bits=6H
11
12
AMP
MGNL[3:0]bits=7H, MGNR[3:0]bits=7H
13
14
Gain
MGNL[3:0]bits=8H, MGNR[3:0]bits=8H
15
16
MGNL[3:0]bits=9H, MGNR[3:0]bits=9H
17
18
MGNL[3:0]bits=AH, MGNR[3:0]bits=AH
20
21
MGNL[3:0]bits=BH, MGNR[3:0]bits=BH
23
24
MGNL[3:0]bits=CH, MGNR[3:0]bits=CH
26
27
MGNL[3:0]bits=DH, MGNR[3:0]bits=DH
29
30
MGNL[3:0]bits=EH, MGNR[3:0]bits=EH
32
33
MGNL[3:0]bits=FH, MGNR[3:0]bits=FH
35
36
2. MIC Bias Output
(Ta=25C; AVDD=LVDD=TVDD=VDD33=3.3V; VSS1=VSS2=VSS3=VSS4=0V;
Measurement Frequency =20Hz~20kHz)
Parameter
Min.
Typ.
Output Voltage
2.3
2.5
MIC Bias Load Resistance
2
Load Capacitance
Output Noise (A-weighted)
-114 018011601-E-00-PB Max.
33
34
1
3
5
7
9
11
13
15
17
19
22
25
28
31
34
37 Unit
kΩ
kΩ Max.
2.7 Unit
V
kΩ
pF
dBV 30
-108 dB 2018/09
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