SAMHOP Microelectronics Corp.
3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL
PIN DESCRIPTIONS
No.
1
2
3
4
5
6
7
8
9
10
11
12
Pin name
LLINEIN
PV
DD
LOUT +
LOUT -
SHUTDOWN
BYPASS
VOLUME
SE/BTL
ROUT -
ROUT +
RLINEIN
V
DD
GND
I/O
I
-
O
O
I
I
I
I
O
O
I
-
-
Left channel input signal.
Supply voltage terminal for right power stage.
Left channel positive audio output.
Left channel negative audio output.
Places the amplifier in shutdown mode if a TTL logic low is placed on
This terminal.
Tap to voltage divider for internal midsupply bias generator used for
analog reference.
Terminal for DC volume control. DC voltage range is 0V to 5V.
Output MUX control. When this terminal is high, SE outputs are
selected. When this terminal is low, BTL outputs are selected.
Right channel negative audio output.
Right channel positive audio output.
Right channel input signal.
Supply voltage terminal.
Power ground.
Function
Page 2
V.0.1 Sep 11,2007
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
