FAN7031 Datasheet, PDF (3/20 Pages) Fairchild Semiconductor – 2W Stereo Power Amplifier with Four Selectable Gain Setting and Headphone Drive

Pin Assignments
FAN7031
GND
G0
G1
LOUT+
LIN-
PVDD2
RIN+
LOUT-
LIN+
BYPASS
1
20
Heat Sink
10
11
GND
SD
ROUT+
RIN-
VDD
PVDD1
ROUT-
NC
SE/ BTL
GND
Pin Description
Pin No
Symbol
I/O
Decription
1*
GND
- Ground
2
G0
I Gain Selection Input(MSB)
3
G1
I Gain Selection Input(LSB)
4
LOUT+
O Left Channel (+) Output
5
LIN-
I Left Channel (-) Input
6**
PVDD2
I Left Channel Power Supply Voltage
7
RIN+
I Right Channel (+) Input
8
LOUT-
O Left Channel (-) Output
9
LIN+
I Left Channel (+) Input
10
BYPASS
O Bypass Capacitor Connect
11*
GND
- Ground
Single-Ended & BTL Selection:
12
SE/BTL
I GND ≤ SE/BTL ≤ VDD/2:BTL Mode
VDD/2 < SE/BTL ≤ VDD: SE Mode
13
NC
- No Connection
14
ROUT-
O Right Channel (-) Output
15**
PVDD1
I Right Channel Power Supply Voltage
16**
VDD
I Power Supply Voltage
17
RIN-
I Right Channel (-) Input
18
ROUT+
O Right Channel (+) Output
Shutdown Logic Low
19
SD
I SD=VDD: Chip Enable
SD=GND: Chip Shutdown
20*
GND
- Ground
* All GND is internally tied together.
** For the best performance, VDD, PVDD1 and PVDD2 must be the same voltage level(strongly recommend).
3