SAMHOP Microelectronics Corp.
3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL
PIN ASSIGNMENTS
ROUT-
RPV
DD
RLINEIN
V
DD
LLINEIN
LPV
DD
LOUT-
LPGND
1
2
3
4
5
6
7
8
Thermal
Pad
16
15
14
13
12
11
10
9
RPGND
ROUT+
SE/BTL
VOLUME
GND
BYPASS
SHUTDOWN
LOUT+
SM7512
16PIN
PIN DESCRIPTIONS
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pin Name
ROUT-
RPV
DD
RLINEIN
V
DD
LLINEIN
LPV
DD
LOUT-
LPGND
LOUT+
SHUTDOWN
BYPASS
GND
VOLUME
SE/BTL
ROUT+
RPGND
I/O
O
-
I
-
I
-
O
-
O
I
I
-
I
I
O
-
Function
Right channel negative audio output
Supply voltage terminal for power stage
Right channel line input
Supply voltage terminal
Left channel line input
Supply voltage terminal for power stage
Left channel negative audio output
Power ground
Left chanel positive 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
Analog power supply ground
Terminal for dc volume control.DC voltage range is 0 to V
DD
Output MUX control. When this terminal is high,SE outputs are selected.
When this terminal is low, BTL outputs are selected
Right channel positive audio output
Power ground
Page 2
V.1.4 Revised May 28,2007
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
