TDA7465 查看數據表（PDF） - STMicroelectronics

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产品描述 (功能)

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TDA7465

DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SRS SURROUND SOUND AND VOICE CANCELLER

STMicroelectronics 

LEFT CHANNEL SPEAKER ATTENUATION SELECTION

MSB

D7

D6

D5

D4

D3

D2

D1

0

0

0

0

0

1

0

1

1

0

1

0

1

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

LEFT & RIGHT CHANNELS BOTH

MSB

D7

D6

D5

D4

D3

D2

D1

0

1

X = DON’ TCARE

SPEAKER/RECORD ATTENUATION = 0dB ∼ -79dB

TDA7465

LSB

D0

0

1

0

1

0

1

0

1

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

LSB

D0

ZERO CROSS ATT. MODE

1 dB STEPS

ON

OFF

13/20

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