LA4800V Ver la hoja de datos (PDF) - SANYO -> Panasonic

Número de pieza

componentes Descripción

Fabricante

LA4800V

3 V Stereo Headphone Power Amplifier

SANYO -> Panasonic 

Continued from preceding page.

Pin

number

Pin name

VDC (V)

5

VREFOUT

1.1

6

PRE GND

7

VREFCONT

1.1

LA4800V

Unit (resistance: Ω)

Equivalent circuit

Pin description

F

1.1 V fixed bias

Preamplifier ground

1.1 V reference control pin

8

RF OUT

2.2

F

9

Beep IN

1.1

10

RF CONT

2.2

11

VCC

12

OUT B

1.1

13

OUT C

1.1

15

OUT A

1.1

14

PWR GND

16

MUTE SW 0 to 1.85

to RF

Preset to approximately VCC × 0.88 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

VCC through a 100 kΩ when OFF.

No.4335-5/11

Share Link: