la4800v Sanyo Semiconductor Corporation, la4800v Datasheet - Page 5

• Manufacturer Part Number: la4800v
• Description: 3 V Stereo Headphone Power Amplifier
• Manufacturer: Sanyo Semiconductor Corporation

Continued from preceding page.
number
Pin
10
12
13
15
14
16
11
5
6
7
8
9
V
PWR GND
MUTE SW
PRE GND
V
RF CONT
Pin name
REF
RF OUT
Beep IN
REF
OUT C
OUT B
OUT A
V
CC
CONT
OUT
V
0 to 1.85
DC
1.1
1.1
2.2
1.1
2.2
1.1
1.1
1.1
(V)
Equivalent circuit
to RF
F
Unit (resistance:
LA4800V
F
)
1.1 V fixed bias
Preamplifier ground
1.1 V reference control pin
Preset to approximately V
Beep tone input pin
Active only when mute is ON.
RF control pin
Power supply
Power output pins
Pin 13 is the headphone center common drive.
(No electrolytic capacitors required)
Power amplifier ground
The mute pin is floating when ON, and tied to
V
CC
through a 100 k
Pin description
when OFF.
CC
0.88 V
No.4335-5/11