LA4809M Datasheet, PDF (5/15 Pages) Sanyo Semicon Device – Stereo Headphone Amplifier

Pin Functions
Pin No.
Pin Name
1
IN1
12
IN2
LA4809M
Pin Voltage (V)
mode-A mode-B
2.1
3.1
Description
Amplifier input pin.
VCC
1
12
Equivalent Circuit
VCC
45kΩ
OUT
2
RF
3
STBY
2.1
3.1 Reference voltage pin.
Applied Applied Standby control pin.
(to which the external voltage is applied)
VREF
VCC
39μA
×2
VREG
VCC
×1
VREF
54kΩ 26kΩ
2
77kΩ
PLS-cnt
STBY-cnt
VCC
VCC
3
35kΩ
45kΩ
4
OUT1
9
OUT2
5
NC
8
11
6
VCC
7
GND
10
PLS
2.1
3.1 Amplifier output pin.
NC pin.
VREG
IN
VREF
VCC
VCC
4
9
10kΩ
Applied Applied
GND
0.69
GND
GND
Power pin.
(to which the external voltage is applied)
GND pin.
Output power selection pin.
VCC
VCC ^22μA
10
10kΩ
No.A1569-5/15