LA74302FN Ver la hoja de datos (PDF) - SANYO -> Panasonic

Número de pieza

componentes Descripción

Lista de partido

LA74302FN

Audio Interface for DSC

SANYO -> Panasonic 

Continued from preceding page.

PIN

Pin Name DC Voltage

10 VCCD

3.0V

AC Voltage

11 PB IN

1.64V

-14dBV

(Reference input

level)

LA74302FN

Description of Functions

Power pin for driving of the serial

communication block and all

amplifier starter circuits

PB input pin

12 VCCA

13 REC OUT

3.0V

Analog signal block power pin

1.50V

-14dBV

(At MIC reference

input)

REC output pin

14 A GND

0V

15 ALC DET

Analog signal block GND pin

ALC detection pin

Equivalent Circuit Diagram in Pin

VCCA(=3.0V)

500Ω

11

50kΩ

VREFL

VCCA(=3.0V)

9kΩ

13

5.1kΩ

VREF

VCCA(=3.0V)

1kΩ

15

500Ω

16 ALC IN

1.64V

-44dBV

(At MIC reference

input/output)

ALC input pin

17 MIC OUT

1.64V

-44dBV

(At MIC reference

input)

MIC output pin

VCCA(=3.0V)

500Ω

16

50kΩ

VREF

VCCA(=3.0V)

500Ω 10.7kΩ

17

3.8kΩ

VREF

Continued on next page.

No.A1180-10/12

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