LA42032 Ver la hoja de datos (PDF) - SANYO -> Panasonic

Número de pieza

componentes Descripción

Fabricante

LA42032

Monolithic Linear IC Audio Output for TV application 5W × 2ch Power Amplifier

SANYO -> Panasonic 

Block Diagram

LA42032

Standby

5

VCC

7

IN1 2

MUTE 6

PRE

GND

3

IN2 4

Input amplifier

Ri=

30kΩ

Output amplifier

12 +OUT1

11 -OUT1

VCC/ground shorting protection circuit

Load shorting protection circuit

Thermal protection circuit

10

PWR

GND

Ri=

30kΩ

Input amplifier

Output amplifier

8 +OUT2

9 -OUT2

Test Circuit

1

Ripple

Filter

LA42032

Ripple

PRE

Filter IN1 GND

1

C3 +

47μF

/16V

2

3

C1

* 4.7μF

/10V

PWR

IN2 STBY MUTE VCC +OUT2 -OUT2 GND -OUT1 +OUT1 N.C.

4

5

6

C4

10μF

C2

/10V

* 4.7μF

+

/10V

R1

15kΩ

7

8

9

10

C5

1000μF

/16V

RL

+

C8

0.1μF

R4

2.2Ω

C9

0.1μF

R5

2.2Ω

11

12

13

RL

C7

0.1μF

R3

2.2Ω

C6

0.1μF

R2

2.2Ω

+5V

* LA42032 employs the zero-bias type input circuit, with the input pin potential being nearly zero (about 0.01V).

Accordingly, the polarity must be determined according to the DC potential of a circuit connected to the previous stage

of LA42032.

No.A0855-3/7

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