SAMHOP Microelectronics Corp.
3W STEREO AUDIO POWER AMPLIFIER WITH UP / DOWN GAIN CONTROL
PIN ASSIGNMENTS
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
RPGND
ROUTP
SE/BTL
UP
ROUTN
RPVDD
RLINEIN
VDD
LLINEIN
LPVDD
LOUTN
LPGND
Thermal
Pad
DOWN
BYPASS
SHUTDOWN
LOUTP
SM7513 16PIN
PIN DESCRIPTIONS
No.
1
Pin Name
ROUTN
RPVDD
I / O
Function
Right channel negative audio output
Supply voltage terminal for power stage
Right channel line input
O
-
2
3
RLINEIN
VDD
I
Supply voltage terminal
4
-
Left channel line input
5
LLINEIN
LPVDD
I
Supply voltage terminal for power stage
Left channel negative audio output
Power ground
6
-
7
LOUTN
LPGND
LOUTP
SHUTDOWN
BYPASS
DOWN
O
-
8
Left chanel positive audio output
9
O
I
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
10
11
I
Terminal for volume down control, high active
Terminal for volume up control, high active
12
13
I
UP
I
Output MUX control. When this terminal is high,SE outputs are selected.
When this terminal is low, BTL outputs are selected
14
15
16
SE/BTL
ROUTP
RPGND
I
Right channel positive audio output
Power ground
O
-
Page 2
V.1.0 Apr 30,2007
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
