LA4802 SANYO [Sanyo Semicon Device], LA4802 Datasheet - Page 4

• Manufacturer Part Number: LA4802
• Description: Headphone Stereo Power Amplifier
• Manufacturer: SANYO [Sanyo Semicon Device]

Block Diagram and Test Circuit
Pre GND
Vcc
OFF
ON
Vcc
22 F
0.1 F
4.7 F
22 F
OFF
1 F
C1
10 F
R1
C2
10 F
C4
C5
C6
C7
C8
51k
ON
1 F
+
+
+
+
+
+
+
C3
+
* Package : MSOP-20
10
9
1
2
3
4
6
7
8
5
PW SW
IN A
Boost
OUT A
OUT B
IN B
Vref
Vref
Beep
R.F
OUT
Pre
GND
SW
MUTE C
IN
A
10k
B
10k
PW SW
Boost SW
LA4802T
Vref A
Vref B
Beep
R.F
MT SW
10k
10k
Top view
CONT
CONT C
R.F
MT SW
PWR
GND
OUT A
Vref
BST NF
OUT B
BST NF
L.B C
Vcc
B
A
18
17
14
19
16
15
13
12
11
20
220 F
0.1 F
0.1 F
C14
C17
10
C12
C11
0.47 F
0.47 F
4.7 F
+
+
+
+
+
2.2 F
+
R2
2.2 F
10
C10
C9
220 F
220 F
+
+
C16
C13
ON
OFF
C18
No. 6657-4/10
C15
+
-
Vcc
Vcc
Vref A
Vref B
16
16