LA4625

No.6631-3/8

Block Diagram

R4

C9**

C8**

R5

RL

4

Ω

RL

4

Ω

-OUT2

+OUT2

–

+

Standby

SW

OFF

RIPPLE

FILTER

+

BIAS

CIRCUIT

STANDBY

SW

POP NOISE

PREVENTION

CIRCUIT

PREDRIVER

PREDRIVER

POWER

POWER

LOAD SHORT

PROTECTOR

OUTPUT PIN TO VCC

SHORT PROTECTOR

OUTPUT PIN TO VCC

SHORT PROTECTOR

OUTPUT PIN TO GND

SHORT PROTECTOR

OUTPUT PIN TO GND

SHORT PROTECTOR

PREDRIVER

PREDRIVER

POWER

POWER

OVER VOLTAGE /

SURGE PROTECTOR

THERMAL

SHUT DOWN

LOAD SHORT

PROTECTOR

VCC

+

+

ON

R1

10K

Ω

+5V

C4

2.2μF

10V

2.2μF

10V

C1

100μF/16V

VCC

C5

+

-OUT1

+OUT1

–

+

POWER

GND2

+

+

C3

C10

**

(POLYESTER FILM

CAPACITOR)

+

–

IN

C2

PRE GND

IN2

C3

C10

Sets the amplifier starting time

(Approximately 0.6 seconds when 33μF)

Impulse noise reduction

(Note : The device’s ability to withstand shorting

to VCC or shorting to ground when VCC is around

16V may be reduced as the value of this

capacitor is increased. We recommend 0.47μF.)

POWER

GND1

14

2

1

3

4

6

7

5

11

12

13

R2

C7**

C6**

R3

9

10

8

+

–

IN