APA2068
Pin Function Description (Cont.)
Pin
No.
9
10,15
11
13
14
16
Name
LOUT-
VDD
LOUT+
SE/BTL
ROUT+
ROUT-
Config
O
-
O
I
O
O
Function Description
Left channel positive output in BTL mode and SE mode.
Supply voltage
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.
Right channel negative output in BTL mode and high impedance
in SE mode.
Right channel positive output in BTL mode and SE mode.
Control Input Table
SHUTDOWN
L
H
H
H
Mute
X
L
L
H
SE/BTL
X
L
H
X
Operating mode
Shutdown mode
BTL out
SE out
Mute
Typical Application Circuit
V DD
0.1
µ
F
VDD
VOLMAX Signal
VOLMAX
LOUT+
1
µ
F
220
µ
F
LIN-
Volume
Control
100
µ
F
GND
L-CH
Input
4
Ω
LOUT-
1k
Ω
SE/BTL
Signal
Control
Pin Ring
R-Ch
Input
1
µF
RIN-
BYPASS
BYPASS
ROUT+
2.2
µF
220
µ
F
4
Ω
Sleeve
Tip
Headphone
Jack
1k
Ω
V DD
V DD
50kΩ
VOLUME
100k
Ω
SE/BTL Signal
Shutdow n
Signal
MUTE Signal
100k
Ω
SE/BTL
SE/BTL
ROUT-
SHUTDOWN
Shutdown
ckt
MUTE
Mute
A2068_AppCkt
Copyright
©
ANPEC Electronics Corp.
Rev. A.2 - Jul., 2005
5
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ANPEC [ ANPEC ELECTRONICS COROPRATION ]
