7404 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

生产厂家

7404

CARRADIO-SIGNAL-PROCESSOR

STMicroelectronics 

2.5.7 Speaker Attenuator Right Front

MSB

D7

D6

D5

D4

D3

D2

0

0

0

0

0

0

0

0

:

:

:

:

0

1

0

1

0

1

1

0

0

1

1

0

0

1

1

0

0

1

1

0

0

1

1

1

0

1

1

1

0

1

1

1

0

1

1

1

X

X

1

X

X

X

TDA7404D

LSB

D1

D0

ATTENUATION

Attenuation

0

0 0 dB

0

1 -1 dB

:

::

1

1 -23 dB

0

0 -24.5dB

0

1 -26 dB

1

0 -28 dB

1

1 -30 dB

0

0 -32 dB

0

1 -35 dB

1

0 -40 dB

1

1 -50 dB

X

X Speaker Mute

2.5.8 Speaker Attenuator Left Rear

MSB

LSB

ATTENUATION / Soft Step Time

D7

D6

D5

D4

D3

D2

D1

D0

Attenuation

0

0

0

0

0

0 0 dB

0

0

0

0

0

1 -1 dB

:

:

:

:

:

::

0

1

0

1

1

1 -23 dB

0

1

1

0

0

0 -24.5dB

0

1

1

0

0

1 -26 dB

0

1

1

0

1

0 -28 dB

0

1

1

0

1

1 -30 dB

0

1

1

1

0

0 -32 dB

0

1

1

1

0

1 -35 dB

0

1

1

1

1

0 -40 dB

0

1

1

1

1

1 -50 dB

X

X

1

X

X

X

X

X Speaker Mute

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