FAN7031 Fairchild Semiconductor, FAN7031 Datasheet - Page 3

• Manufacturer Part Number: FAN7031
• Description: 2W Stereo Power Amplifier with Four Selectable Gain Setting and Headphone Drive
• Manufacturer: Fairchild Semiconductor

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