APA2069
Typical Application Circuit
VDD
100mF
0.1mF
VDD
GND
LOUT+
m
220
F
1 mF
LIN-
RIN-
L-CH
Input
4W
1kW
Control
Pin
Ring
Volume
Control
SE/BTL
Signal
LOUT-
mF
1
R-Ch
Input
Sleeve
Tip
BYPASS
ROUT+
BYPASS
Headphone
Jack
2.2 mF
VDD
VDD
m
F
220
VOLUME
SE/BTL
1k W
50kW
4 W
100k W
W
100k
SE/BTL
ROUT-
Shutdow n
Signal
SHUTDOWN
Shutdown
ckt
A2069_AppCkt
Volume Control Table_BTL Mode
Supply Voltage Vdd=5V
Gain(dB)
High(V)
0.12
0.23
0.34
0.46
0.57
0.69
0.80
0.91
1.03
1.14
1.25
1.37
1.48
1.59
1.71
Low(V)
0.00
0.17
0.28
0.39
0.51
0.62
0.73
0.84
0.96
1.07
1.18
1.29
1.41
1.52
1.63
Hysteresis(mV) Recommended Voltage(V)
20
18
16
14
12
10
8
0
52
51
50
49
47
46
45
44
43
41
40
39
38
37
0.20
0.31
0.43
0.54
0.65
0.77
0.88
0.99
1.10
1.22
1.33
1.44
1.56
1.67
6
4
2
0
-2
-4
-6
-8
Copyright ã ANPEC Electronics Corp.
6
www.anpec.com.tw
Rev. A.1 - Aug., 2005
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
