I
[AK4220]
PIN/FUNCTION (Continued)
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
R
MUTET
VCOM
AVSS
LOUT1
ROUT1
LOUT2
ROUT2
LOUT3
ROUT3
GND1
LIN+1
RIN+1
GND2
LIN+2
RIN+2
GND3
LIN+3
RIN+3
GND4
LIN+4
RIN+4
GND5
LIN+5
RIN+5
GND6
LIN+6
RIN+6
GND7
LIN+7
O
O
O
-
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Current Setting for Oscillator
Normally connected to AVSS with a 12k±1%Ωresistance.
Audio Common Voltage Output2
Normally connected to AVSS with a 1μF ceramic capacitor.
Audio Common Voltage Output1 (Figure 3)
Normally connected to AVSS with a 0.1μF ceramic capacitor in parallel
with a 2.2μF electrolytic capacitor.
Audio Ground, 0V
Lch Audio Output 1
Rch Audio Output 1
Lch Audio Output 2
Rch Audio Output 2
Lch Audio Output 3
Rch Audio Output 3
Audio Input Ground1
Lch Audio Positive Input 1
Rch Audio Positive Input 1
Audio Input Ground 2
Lch Audio Positive Input 2
Rch Audio Positive Input 2
Audio Input Ground 3
Lch Audio Positive Input 3
Rch Audio Positive Input 3
Audio Input Ground 4
Lch Audio Positive Input 4
Rch Audio Positive Input 4
Audio Input Ground 5
Lch Audio Positive Input 5
Rch Audio Positive Input 5
Audio Input Ground 6
Lch Audio Positive Input 6
Rch Audio Positive Input 6
Audio Input Ground 7
Lch Audio Positive Input 7
Note: All digital input pins (PDN, CAD1-0, SCL and SDA pins) must not be left floating.
AVDD
35kΩ(typ)
VCOM
35kΩ(typ)
2.2uF
0.1uF
AVSS
Figure 3. VCOM Circuit
MS0627-E-00
-6-
2007/05
AKM [ ASAHI KASEI MICROSYSTEMS ]
