APA2068
Pin Function Description (Cont.)
Pin
Config
Function Description
No.
Name
9
LOUT-
VDD
O
-
Left channel positive output in BTL mode and SE mode.
Supply voltage
10,15
Left channel negative output in BTL mode and high impedance in
SE mode.
Output mode control input, high for SE output mode and low for
BTL mode.
11
13
LOUT+
SE/BTL
O
I
Right channel negative output in BTL mode and high impedance
in SE mode.
Right channel positive output in BTL mode and SE mode.
14
16
ROUT+
ROUT-
O
O
Control Input Table
SHUTDOWN
Mute
X
L
L
H
SE/BTL
Operating mode
Shutdown mode
BTL out
L
X
L
H
X
H
H
H
SE out
Mute
Typical Application Circuit
VDD
100mF
0.1mF
VDD
GND
VOLMAX
VOLMAX Signal
LOUT+
LOUT-
m
220
F
1 mF
LIN-
L-CH
Input
4W
1kW
Control
Pin
Ring
Volume
Control
SE/BTL
Signal
mF
1
R-Ch
Input
RIN-
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 Signal
SE/BTL
ROUT-
Shutdow n
Signal
SHUTDOWN
MUTE
Shutdown
ckt
MUTE Signal
Mute
A2068_AppCkt
Copyright ã ANPEC Electronics Corp.
5
www.anpec.com.tw
Rev. A.2 - Jul., 2005
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
