LA7477W 查看數據表（PDF） - SANYO -> Panasonic

零件编号

产品描述 (功能)

生产厂家

LA7477W

For Digital Video Camera Audio Signal I/O Interface IC

SANYO -> Panasonic 

Pin Functions

Pin No.

Pin Name

1

EVR CTL IN

2

EVR CTL

SERIAL OUT

LA7477W

DC

voltage

1.575V

AC voltage

Description

Controls the EVR.

This pin can be used for external

control by applying a voltage through

an external resistor. This IC can also

be controlled from serial data by

connecting this pin to pin 2 through an

external resistor.

Control output when EVR is

controlled by serial data

Equivalent circuit

1.575V

1

2

3

LINE IN2 R

5

MIC IN R

32

MIC IN L

34

LINE IN2 L

36

LINE IN1 L

48

LINE IN1 R

1.80V

-30dBV

-40dBV

-40dBV

-30dBV

-30dBV

-30dBV

(Reference

inputs)

Right channel line 2 input

Right channel microphone input

Left channel microphone input

Left channel line 2 input

Left channel line 1 input

Right channel line 1 input

4

FADE IN

Controls the fade characteristics

50kΩ

VREF

3 34

5 36

32 48

70kΩ

4

50kΩ

6

GND R

33

GND L

44

GND LINE

8

EXT EVR OUT R

30

EXT EVR OUT L

Right channel ground

Left channel ground

Line input ground

Connect to the right channel external

EVR output.

Connect to the left channel external

EVR output.

7

EXT EVR IN R

31

EXT EVR IN L

1.80V

-40dBV

(Microphone

mode)

-30dBV

(Line mode)

Connect to the right channel external

EVR input.

Connect to the left channel external

EVR input.

8

30

50kΩ

VREF

7

31

Continued on next page.

No.5775-9/12

Share Link: