M62465FP データシートの表示（PDF） - MITSUBISHI ELECTRIC

部品番号

コンポーネント説明

メーカー

M62465FP

Dolby Pro Logic Surround

MITSUBISHI ELECTRIC  

PRELIMINARY

Notice ; This is not a f inal specif ication.

some parametric limits are subject to change.

MITSUBISHI SOUND PROCESSORS

M62465FP

Dolby Pro Logic Surround

FUNCTION

Block Diagram

NOISE

SEQUENCER

BY-P A S S

PLOLOGIC

OTHER

MUTE

SELECTOR1

Lin

Rin

MIC

VREFA

AVcc

(+9V)

AGND

(L+R)

2

(L-R)

2

S'

SELECTOR2

MIC

MOS

SU

EC

ADAPTIVE

MATRIX

MIC

MIX

L CENTER

R MODE

CONTROL

C

WIDE

NORMAL

P H A N TOM

OFF

ADD/SUB

3S TEREO/MUTE

SELECTOR3

Modifide BNR

BN R

OUT

DOUT

C.Trimmer

(0 to -31dB)

+-

S.Trimmer

(0 to -31dB)

Digital Deley

VOL

+

Delay Mix SW

MCU Interface

Lout

Rout

Cout

CT

Sout

Dout

LO1

LO2

LO3

GND

Echo filter

Surround filter

7kHz AVDD VDD

LPF (+5V)

REQ SCK DATA

4MHz

Block name

INPUT

BALANCE

NOISE

SEQUENCER

ADAPTIVE

MATRIX

CENTER MODE

CONTROL

C.Trimme r

S.Trimme r

Function

Revises a level error between the input Lch and Rch

for optimum decorder performance.

A simple noise sequencer circuit for ajustment of

output level.

Contineuously analyze the two-channel matrixed

audio input to determ ine the direction and relative

magnitude of encoded soundfield.

Possible to select 4 - center mode position.

(WIDE,NORMAL,PHANTOM,OFF)

This is the level ajustment volum of Cch and Sch.

( 0 to -30 dB : 1dB/step )

MITSUBISHI

ELECTRIC

( 17 / 24 )

Share Link: