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

Número de pieza

componentes Descripción

Lista de partido

LA74302FN

Audio Interface for DSC

SANYO -> Panasonic 

LA74302FN

Continued from preceding page.

Input

Output

Symbol

Pi

Conditions

Pin

n

Conditions

SPK output system (SPK end: measured with 8Ω )

Serial control setting

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

VOSP2

11 VIN=-14dBV

f=1kHz

25 400 to 30kHz LPF used

000000000000011 0

27 Vol.=TYP

VOSP3

11 VIN=-14dBV

f=1kHz

25 JIS-A FILTER used

27 Vol.=MIN

000000000000000 0

SPK output system (SPK end: measured with 8Ω )

VNOSP

VOSSP

11 No input

11 f=1kHz

MIC output system

25 JIS-A FILTER used

27 Vol.=MAX

000000000001111 1

25 400 to 30kHz LPF used

27 Vol.=MAX, Level at

000000000001111 1

which THD = 10% (from

2nd to 5th harmonic)

VGMIC

HDMIC

VNOMIC

21 Vin=-40dBV

f=1kHz

21 Vin=-40dBV

f=1kHz

21 No input

17 400 to 30kHz LPF used

000000000000000 0

17 400 to 30kHz LPF used

THD: from 2nd to 5th

000000000000000 0

harmonic

17 JIS-A FILTER used 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

VOMIC

21 f=1kHz

VMIC

22 No input

17 400 to 30kHz LPF used

Level at which

THD=1% (from 2nd to

000000000000000 0

5th harmonic)

22 Measure the output

000000000000000 0

voltage at 2.2kΩ load

Description of Pin Functions

Pin No.

1

Removal of speaker ripple

2

Speaker input

3

EVR output

4

STANDBY control

5

LINE output

6

D GND

7

C.S. input

8

CLOCK input

9

DATA input

10

VCCD

11

PB input

12

VCCA

13

REC output

14

A GND

15

ALC detection

16

ALC input

17

MIC output

18

MIC Amp attenuator output

19

MIC Amp NFB

20

MIC GND

21

MIC input

22

INT power supply for MIC

23

MIC Removal of ripple for VCC and VREFL

24

SPK GND

25

Speaker positive-phase output

26

VCCSP

27

Speaker negative-phase output

28

SPK GND

Pin Description

No.A1180-7/12

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