AK4601VQ Datasheet, PDF (12/111 Pages) Asahi Kasei Microsystems – Audio HUB CODEC with Digital Mixer

[AK4601]
8. Electrical Characteristics
■ Analog Characteristics
1. MIC AMP Gain
(Ta=25C; AVDD=VREFH=LVDD=TVDD=3.3V; AVSS=VREFL=DVSS1=DVSS2=0V, ADC1VL/R bit =
“0”)
Parameter
Min.
Typ.
Max.
Unit
Input Impedance
14
20
26
kΩ
MGNL[3:0]bits=0h, MGNR[3:0]bits=0h
-1
0
1
MGNL[3:0]bits=1h, MGNR[3:0]bits=1h
1
2
3
MGNL[3:0]bits=2h, MGNR[3:0]bits=2h
3
4
5
MGNL[3:0]bits=3h, MGNR[3:0]bits=3h
5
6
7
MGNL[3:0]bits=4h, MGNR[3:0]bits=4h
7
8
9
MGNL[3:0]bits=5h, MGNR[3:0]bits=5h
9
10
11
MIC
MGNL[3:0]bits=6h, MGNR[3:0]bits=6h
11
12
13
AMP
Gain
MGNL[3:0]bits=7h, MGNR[3:0]bits=7h
MGNL[3:0]bits=8h, MGNR[3:0]bits=8h
13
15
14
16
15
17
dB
MGNL[3:0]bits=9h, MGNR[3:0]bits=9h
17
18
19
MGNL[3:0]bits=Ah, MGNR[3:0]bits=Ah
20
21
22
MGNL[3:0]bits=Bh, MGNR[3:0]bits=Bh
23
24
25
MGNL[3:0]bits=Ch, MGNR[3:0]bits=Ch
26
27
28
MGNL[3:0]bits=Dh, MGNR[3:0]bits=Dh
29
30
31
MGNL[3:0]bits=Eh, MGNR[3:0]bits=Eh
32
33
34
MGNL[3:0]bits=Fh, MGNR[3:0]bits=Fh
35
36
37
2. MIC Bias Output
(Ta=25C; AVDD=VREFH=LVDD=TVDD =3.3V; AVSS=VREFL=DVSS1=DVSS2=0V; Measurement
Frequency = 20Hz~20kHz)
Parameter
Min.
Typ.
Max.
Unit
MIC Bias
Output Voltage
Load Resistance
2.3
2.5
2.7
V
2
kΩ
Load Capaitance
30
pF
Output Noise (A-weighted)
-114
-108
dBV
016000391-E-01
- 12 -
2016/12