TDA7466 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TDA7466

DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SRS SURROUND SOUND AND VOICE CANCELLER

STMicroelectronics 

TDA7466

RECORD AND RIGHT CHANNEL SPEAKER ATTENUATION SELECTION

MSB

LSB

D7

D6

D5

D4

D3

D2

D1

D0

0

0

0

0

0

1

0

1

0

0

1

1

1

0

0

1

0

1

1

1

0

1

1

1

0

0

0

0

0

0

0

1

0

0

1

0

0

0

1

1

0

1

0

0

0

1

0

1

0

1

1

0

0

1

1

1

1

0

0

0

1

0

0

1

1

0

1

X

1

1

X

X

X = DON’T CARE

SPEAKER/RECORD ATTENUATION = 0dB ∼ -79dB

SPEAKER/RECORD ATT

1 dB STEPS

0

-1

-2

-3

-4

-5

-6

-7

8 dB STEPS

0

-8

-16

-24

-32

-40

-48

-56

-64

-72

MUTE

VOICE CANCELLER/INPUT/RECOUT L & R SELECTION

MSB

LSB

D7

D6

D5

D4

D3

D2

D1

D0

1

1

1

0

1

1

1

1

1

0

0

1

1

1

0

1

1

1

1

1

0

1

1

1

1

1

1

1

1

0

0

1

0

1

1

1

0

1

1

1

1

1

1

1

1

1

1

1

VOICE CANCELLER

OFF

ON

REC OUT "L"

VAR 1 (3BAND)

VAR 2 (SURR)

VAR 3 (REAR)

FIX

REC OUT "R"

VAR 1(3BAND)

VAR 2 (SURR)

VAR 3 (REAR)

FIX

14/21

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