SM7512 Datasheet, PDF (3/16 Pages) SamHop Microelectronics Corp. – 3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL

SAMHOP Microelectronics Corp.
3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL
PIN ASSIGNMENTS
PIN DESCRIPTIONS
ROUT-
RPVDD
RLINEIN
VDD
LLINEIN
LPVDD
LOUT-
LPGND
1
16
2
15
3
14
4 _Thermal 13
5
Pad ¹²
6
11
7
10
8
9
RPGND
ROUT+
SE/BTL
VOLUME
GND
BYPASS
SHUTDOWN
LOUT+
SM7512 16PIN
No.
Pin Name
I/O
Function
1
ROUT-
O ^{Right channel negative audio output}
2
RPVDD
-
Supply voltage terminal for power stage
3
RLINEIN
I
Right channel line input
4
VDD
-
Supply voltage terminal
5
LLINEIN
I
Left channel line input
6
LPVDD
-
Supply voltage terminal for power stage
7
LOUT-
O ^{Left channel negative audio output}
8
LPGND
-
Power ground
9
LOUT+
O ^{Left chanel positive audio output}
Places the amplifier in shutdown mode if a TTL logic low is placed
10
SHUTDOWN
I
on this terminal
Tap to voltage divider for internal midsupply bias generator used for
11
BYPASS
I
analog reference
12
GND
-
Analog power supply ground
13
VOLUME
I
Terminal for dc volume control.DC voltage range is 0 to VDD
14
SE/BTL
Output MUX control. When this terminal is high,SE outputs are selected.
I
When this terminal is low, BTL outputs are selected
15
ROUT+
O ^{Right channel positive audio output}
16
RPGND
-
Power ground
Page 2
V.1.4 Revised May 28,2007